| Target | Material | Application per Acre | Max/Season | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|---|---|
| Nematodes | ||||||||
| Nematodes (various spp.) | dichloropropene (Telone II) | See Label | See Labelgal | 5 d | — | 11 | E-G | Supplemental labeling for Telone II provides specific instructions for root knot and stubby root nematodes. |
| Root-Knot Nematodes | dichloropropene (Telone II) | 15-25 gal | See Labelgal | 5 d | — | 11 | E-G | Columbia root knot nematodes: use 20 gal/A for mineral soil or 25 gal/A for muck. Northern root knot nematodes: use 15 gal/A for mineral soil or 18 gal/A for muck. Shank-in at 18-inch depth or more. Soil temperature must be between 40°F and 80°F. |
| Root Lesion Nematodes | dichloropropene (Telone II) | 9-25 gal | See Labelgal | 5 d | — | 11 | E-G | Apply by shanking in at ≥18-inch depth. Use 9-12 gal/A for mineral soils, and 25 gal/A for muck. Soil temperature must be between 40°F and 80°F. |
| Stubby Root Nematodes | dichloropropene (Telone II) | 20-25 gal | See Labelgal | 5 d | — | 11 | E-G | Use 20 gal/A for mineral soil or 25 gal/A for muck. Shank-in at 18-inch depth or more. Soil temperature must be between 40°F and 80°F. |
| Insects & Mites | ||||||||
| Wireworms | dichloropropene (Telone II) | 20-25 gal | See Labelgal | 5 d | — | 11 | G-F | Apply when wireworms are present. Soil temperature at application depth must be > 50°F or wireworms may be too deep. Use 20 gal/A for mineral soil or 25 gal/A for muck. Shank-in at 14-inch depth or more, or at least 18-inch depth if also targeting nematodes. |
| Target | Material | Application per Acre | Max/Season | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|---|---|
| Insects & Mites | ||||||||
| Aphid | imidacloprid (Admire Pro (seed treatment)) | See Label | See Label | — | — | 4A | E | It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Apply at 0.17-0.35 fl oz/100 lb seed. |
| clothianidin (Belay (seed treatment)) | See Label | See Label | — | — | 4A | E | It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Apply at 0.4-0.6 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | E-F(PYV) | It may work too slowly to prevent the rapid spread of Potato Virus Y when migratory aphid numbers are high. | |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | See Label | See Label | 12 h | — | IRAC 4A; FRAC 12 | E | It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Apply at 0.19-0.27 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | E-F(PYV) | It may work too slowly to prevent the rapid spread of Potato Virus Y when migratory aphid numbers are high. | |
| Beet Leafhopper | imidacloprid (Admire Pro (seed treatment)) | See Label | See Label | — | — | 4A | G | Should provide some early season control, but it may work too slowly to prevent rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. Apply at 0.17-0.35 fl oz/100 lb seed. |
| clothianidin (Belay (seed treatment)) | See Label | See Label | — | — | 4A | G | Should provide some early season control, but it may work too slowly to prevent rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. Apply at 0.4-0.6 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | G-F | This product should provide some early season control, but it may work too slowly to prevent the rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. Watch the Contour Maps in the Potato DAS weekly to monitor regional BLH population densities. | |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | See Label | See Label | 12 h | — | IRAC 4A; FRAC 12 | G | Should provide some early season control. It may work too slowly to prevent rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | G-F | This product should provide some early season control, but it may work too slowly to prevent the rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. Watch the Contour Maps in the Potato DAS weekly to monitor regional BLH population densities. | |
| Colorado Potato Beetle | imidacloprid (Admire Pro (seed treatment)) | See Label | See Label | — | — | 4A | E | Don’t be alarmed to find newly emerged adult beetles alive on treated plants, because it can take days for them to start feeding, ingest the insecticide, and then die. But if larvae are found on treated plants, then the product residual is probably no longer active. Apply at 0.17-0.35 fl oz/100 lb seed. |
| clothianidin (Belay (seed treatment)) | See Label | See Label | — | — | 4A | E | Don’t be alarmed to find newly emerged adult beetles alive on treated plants, because it can take days for them to start feeding, ingest the insecticide, and then die. But if larvae are found on treated plants, then the product residual is probably no longer active. Apply at 0.4-0.6 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | E | Don't be alarmed to find newly emerged adult beetles alive on treated plants because it can take days for them to start feeding, ingest the insecticide, and then die. However, if larvae are found on treated plants, the residual product is probably no longer active. | |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | See Label | See Label | 12 h | — | IRAC 4A; FRAC 12 | E | Don't be alarmed to find newly emerged adult beetles alive on treated plants, because it can take days for them to start feeding, ingest the insecticide, and then die. But if larvae are found on treated plants, then the product residual is probably no longer active. Apply at 0.19-0.27 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | E | Don't be alarmed to find newly emerged adult beetles alive on treated plants because it can take days for them to start feeding, ingest the insecticide, and then die. However, if larvae are found on treated plants, the residual product is probably no longer active. | |
| Potato Psyllid | imidacloprid (Admire Pro (seed treatment)) | See Label | See Label | — | — | 4A | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. Apply at 0.17-0.35 fl oz/100 lb seed. |
| clothianidin (Belay (seed treatment)) | See Label | See Label | — | — | 4A | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. Apply at 0.4-0.6 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | E | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. | |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | See Label | See Label | 12 h | — | IRAC 4A; FRAC 12 | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. Apply at 0.19-0.27 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. | |
| Wireworms | imidacloprid (Admire Pro (seed treatment)) | See Label | See Label | — | — | 4A | P | It can reduce wireworm damage to seed-pieces, but it will not prevent most damage to daughter tubers during the growing season. Apply at 0.17-0.35 fl oz/100 lb seed. |
| clothianidin (Belay (seed treatment)) | See Label | See Label | — | — | 4A | P | It can reduce wireworm damage to seed-pieces, but it will not prevent damage to daughter tubers during the growing season. Apply at 0.4-0.6 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | P | It can control wireworms that feed on the seed piece but will not prevent damage to daughter tubers during the growing season. | |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | See Label | See Label | 12 h | — | IRAC 4A; FRAC 12 | P | It can control wireworms that feed on the seed piece, but it will not prevent most damage to daughter tubers during the growing season. Apply at 0.19-0.27 fl oz/100 lb seed. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | P | It can control wireworms that feed on the seed piece but will not prevent damage to daughter tubers during the growing season. | |
| ethoprop (Mocap 15% Granular (broadcast)) | 27-40 lb | 80lb | 72 h | — | 1B | G | Apply at a rate of 40 lbs/A to control wireworms and symphylans (80 lbs/A is used to control nematodes). The label suggests 2–4-inch incorporation for wireworms, but 6–8-inches may be better. | |
| ethoprop (Mocap EC (broadcast)) | 0.67-1 gal | 2gal | 72 h | — | 1B | G | Apply at a rate of 1 gal/A to control wireworms and symphylans (up to 2 gal/A can be used to control nematodes). The label suggests 2–4-inch incorporation for wireworms, but 6–8-inches may be better. | |
| dichloropropene (Telone II) | 20-25 gal | See Labelgal | 5 d | — | 11 | G-F | Apply when wireworms are present. Soil temperature at application depth must be > 50°F or wireworms may be too deep. Use 20 gal/A for mineral soil or 25 gal/A for muck. Shank-in at 14-inch depth or more, or at least 18-inch depth if also targeting nematodes. | |
| Diseases & Viruses | ||||||||
| Fusarium dry rot | thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | G | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process and should suppress some of the disease already in the seed. |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | 0.19 to 0.27 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12 | G | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process, but it will not cure disease already in the seed. Some Fusarium strains have shown reduced sensitivity to fludioxonil, so rotating or combining modes of action is important for resistance management. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | E | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process and should suppress some of the disease already in the seed. | |
| manxozeb (Dithane F-45 Rainshield (seed treatment)) | See Label | See Labelpt | 24 hr | — | M3 | G | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process, but it will not cure disease already in the seed. Use Rate: 1.6 to 2.5 fl oz product/100 lb seed. | |
| fludioxonil (Maxim 4FS) | See Label | See Labelpt | 12 hr | — | 12 | G | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process, but it will not cure disease already in the seed. Some Fusarium strains have shown reduced sensitivity to fludioxonil, so rotating or combining modes of action is important for resistance management. Use Rate: 0.08 fl oz product/100 lb seed. | |
| fludioxonil + mancozeb | See Label | See Label | 24 hr | — | 12, M3 | E | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process, but it will not cure disease already in the seed. Some Fusarium strains have shown reduced sensitivity to fludioxonil, so rotating or combining modes of action is important for resistance management. Use Rate: 0.5 lb product/100 lb seed. | |
| mancozeb (Nubark Mancozeb) | See Label | See Labelpt | — | — | M3 | G | This product will limit the spread of Fusarium spp. from infected seed during the cutting and planting process, but it will not cure disease already in the seed. Use Rate: 1 lb product/100 lb seed. | |
| Late blight | cymoxanil (Curzate 60DF (seed treatment)) | See Label | See Labelpt | 12 hr | — | 27 | E | This product will limit the spread of Phytophthora infestans (causal agent of late blight) from infected seed during the cutting and planting process, and can suppress the infection of emerging plants by seed-borne P. infestans. Use Rate: 0.25 oz product/100 lb seed |
| manxozeb (Dithane F-45 Rainshield (seed treatment)) | See Label | See Labelpt | 24 hr | — | M3 | G | This product will limit the spread of Phytophthora infestans from infected seed during the cutting and planting process, but it will not cure disease already in the seed. Use Rate: 1.6 to 2.5 fl oz product/100 lb seed. | |
| Rhizoctonia canker and black scurf | thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | G | It will suppress seed-borne Rhizoctonia around developing sprouts. Avoid using seed from infected or heavily scurfed tubers, even with fungicides. Combine with a soil-applied product (in-furrow) to control soil-borne Rhizoctonia. |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | 0.19 to 0.27 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12 | G | It will suppress seed-borne Rhizoctonia around developing sprouts. Avoid using seed from infected or heavily scurfed tubers, even with fungicides. Combine with a soil-applied product (in-furrow) to control soil-borne Rhizoctonia. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | G | It will suppress seed-borne Rhizoctonia around developing sprouts. Avoid using seed from infected or heavily scurfed tubers, even with fungicides. Combine with a soil-applied product (in-furrow) to control soil-borne Rhizoctonia. | |
| manxozeb (Dithane F-45 Rainshield (seed treatment)) | See Label | See Labelpt | 24 hr | — | M3 | G | It will suppress seed-borne Rhizoctonia around developing sprouts. Avoid using seed from infected or heavily scurfed tubers, even with fungicides. Combine with a soil-applied product (in-furrow) to control soil-borne Rhizoctonia. | |
| fludioxonil (Maxim 4FS) | See Label | See Labelpt | 12 hr | — | 12 | G | It will suppress seed-borne Rhizoctonia around developing sprouts. Avoid using seed from infected or heavily scurfed tubers, even with fungicides. Combine with a soil-applied product (in-furrow) to control soil-borne Rhizoctonia. Use Rate: 0.08 fl oz product/100 lb seed. | |
| Silver scurf | thiamethoxam + fludioxonil + difenoconazole (Cruiser Maxx Potato Extreme) | 0.31 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3 | G | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. |
| thiamethoxam + fludioxonil (Cruiser Maxx Potato Insecticide and Fungicide) | 0.19 to 0.27 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12 | G | It will limit the spread of H. solani (causal agent of silver scurf disease) from infected seed during the cutting and planting process. | |
| thiamethoxam + fludioxonil + difenoconazole + sedaxane (Cruiser Maxx Vibrance Potato) | 0.5 fl oz/100 lb seed | See Label | 12 h | — | IRAC 4A; FRAC 12, 3, 7 | G | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. | |
| manxozeb (Dithane F-45 Rainshield (seed treatment)) | See Label | See Labelpt | 24 hr | — | M3 | F | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. Use Rate: 1.6 to 2.5 fl oz product/100 lb seed. | |
| fludioxonil (Maxim 4FS) | See Label | See Labelpt | 12 hr | — | 12 | F | It will limit the spread of H. solani (the causal agent of silver scurf disease) from infected seed during the cutting and planting process. Use Rate: 0.08 fl oz product/100 lb seed. | |
| Nematodes | ||||||||
| Nematodes (various spp.) | ethoprop (Mocap 15% Granular (broadcast)) | 40-80 lb | 80lb | 72 h | — | 1B | F | Expect suppression of Northern root knot, Columbia root knot, and stubby root nematodes for 5 to 6 weeks. Severe infestations may not be adequately controlled. Apply at a rate of 80 lbs/A to control nematodes (40 lbs/A is used to control wireworms). |
| ethoprop (Mocap EC (broadcast)) | 1-2 gal | 2gal | 72 h | — | 1B | F | Expect suppression of Northern root knot, Columbia root knot, and stubby root nematodes for 5 to 6 weeks. Severe infestations may not be adequately controlled. Apply at a rate of 2 gal per acre to control nematodes (1 gal per acre is used to control wireworms). | |
| dichloropropene (Telone II) | See Label | See Labelgal | 5 d | — | 11 | E-G | Supplemental labeling for Telone II provides specific instructions for root knot and stubby root nematodes. | |
| Root-Knot Nematodes | dichloropropene (Telone II) | 15-25 gal | See Labelgal | 5 d | — | 11 | E-G | Columbia root knot nematodes: use 20 gal/A for mineral soil or 25 gal/A for muck. Northern root knot nematodes: use 15 gal/A for mineral soil or 18 gal/A for muck. Shank-in at 18-inch depth or more. Soil temperature must be between 40°F and 80°F. |
| Root Lesion Nematodes | dichloropropene (Telone II) | 9-25 gal | See Labelgal | 5 d | — | 11 | E-G | Apply by shanking in at ≥18-inch depth. Use 9-12 gal/A for mineral soils, and 25 gal/A for muck. Soil temperature must be between 40°F and 80°F. |
| Stubby Root Nematodes | dichloropropene (Telone II) | 20-25 gal | See Labelgal | 5 d | — | 11 | E-G | Use 20 gal/A for mineral soil or 25 gal/A for muck. Shank-in at 18-inch depth or more. Soil temperature must be between 40°F and 80°F. |
| Target | Material | Application per Acre | Max/Season | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|---|---|
| Insects & Mites | ||||||||
| Aphid | imidacloprid (Admire Pro (soil application)) | 5.7-8.7 fl oz | 8.7fl oz | 12 h | — | 4A | E | It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. |
| clothianidin (Belay (soil application)) | 9-12 fl oz | 12fl oz | 12 h | — | 4A | E | It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. | |
| thiamethoxam (Platinum 75 SG) | 1.66-2.67 oz | 2.67oz | 12 h | — | 4A | E | It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. | |
| phorate (Thimet 20-G SmartBox) | See Label | See Labeloz | 72 h | 90 d | 1 | G-F | Expect only 50 days of residual control. It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. | |
| Beet Leafhopper | imidacloprid (Admire Pro (soil application)) | 5.7-8.7 fl oz | 8.7fl oz | 12 h | — | 4A | G | Should provide some early season control, but it may work too slowly to prevent rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. Watch the Contour Maps in the Potato DAS every week to monitor regional BLH population densities. |
| clothianidin (Belay (soil application)) | 9-12 fl oz | 12fl oz | 12 h | — | 4A | G | Should provide some early season control, but it may work too slowly to prevent rapid spread of phytoplasma diseases (e.g., purple top disease) when BLH numbers are high. | |
| thiamethoxam (Platinum 75 SG) | 1.66-2.67 oz | 2.67oz | 12 h | — | 4A | G | It should provide some early season control, but it may work too slowly to prevent rapid spread of phytoplasma diseases (e.g., purple top) when BLH numbers are high. Watch the Contour Maps in the Potato DAS every week to monitor regional BLH population densities. | |
| Colorado Potato Beetle | imidacloprid (Admire Pro (soil application)) | 5.7-8.7 fl oz | 8.7fl oz | 12 h | — | 4A | E | Don’t be alarmed to find newly emerged adult beetles alive on treated plants, because it can take days for them to start feeding, ingest the insecticide, and then die. But if larvae are found on treated plants, then the product residual is probably no longer active. |
| clothianidin (Belay (soil application)) | 9-12 fl oz | 12fl oz | 12 h | — | 4A | E | Don’t be alarmed to find newly emerged adult beetles alive on treated plants, because it can take days for them to start feeding, ingest the insecticide, and then die. But if larvae are found on treated plants, then the product residual is probably no longer active. | |
| thiamethoxam (Platinum 75 SG) | 1.66-2.67 oz | 2.67oz | 12 h | — | 4A | E | Don't be alarmed to find newly emerged adult beetles alive on treated plants, because it can take days for them to start feeding, ingest the insecticide, and then die. But if larvae are found on treated plants, then the product residual is probably no longer active. | |
| phorate (Thimet 20-G SmartBox) | See Label | See Labeloz | 72 h | 90 d | 1 | G-F | Expect only 50 days of residual control. | |
| Potato Psyllid | imidacloprid (Admire Pro (soil application)) | 5.7-8.7 fl oz | 8.7fl oz | 12 h | — | 4A | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. |
| clothianidin (Belay (soil application)) | 9-12 fl oz | 12fl oz | 12 h | — | 4A | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. | |
| thiamethoxam (Platinum 75 SG) | 1.66-2.67 oz | 2.67oz | 12 h | — | 4A | E (a) | It should control migrating adult potato psyllids for 60-90 days. The application may be followed-up with in-season, foliar insecticides for a no-gaps psyllid management strategy. | |
| Wireworms | imidacloprid (Admire Pro (soil application)) | 5.7-8.7 fl oz | 8.7fl oz | 12 h | — | 4A | P | It can reduce wireworm damage to seed-pieces, but it will not prevent damage to daughter tubers during the growing season. |
| clothianidin (Belay (soil application)) | 9-12 fl oz | 12fl oz | 12 h | — | 4A | P | It can reduce wireworm damage to seed-pieces, but it will not prevent damage to daughter tubers during the growing season. | |
| bifenthrin (Brigade 2EC) | 9.6-19.2 fl oz | 32fl oz | 12 h | 21 d | 3 | F-P | Apply as a soil incorporated broadcast spray into the furrow at planting or at hilling to control wireworms. | |
| ethoprop (Mocap 15% Granular (banded)) | See Label | See Label | 72 h | — | 1B | G | Apply at a rate of 1.4 lbs. per 1,000 row feet to control wireworms and symphylans. | |
| ethoprop (Mocap EC (banded)) | See Label | See Label | 72 h | — | 1B | G | Apply at a rate of 4.4 fl. oz per 1,000 row feet to control wireworms and symphylans. | |
| broflanilide (Nurizma) | See Label See Label | See Labelfl oz | 12 h | — | 30 | E | Use the highest labeled rate when wireworm pressure is high. It will also control white grubs. | |
| thiamethoxam (Platinum 75 SG) | 1.66-2.67 oz | 2.67oz | 12 h | — | 4A | P | It can control wireworms that feed on the seed piece, but it will not prevent most damage to daughter tubers during the growing season. | |
| fipronil (Regent 4SC) | 3.2 fl oz | 3.2fl oz | 0 h | 90 d | 2B | E | ||
| spinosad (Seduce Insect Bait) | 20-44 lb | 176lb | 4 h | 7 d | 5 | F | Wireworms are not mentioned on the label, but applications made to target other pests (earwigs, cutworms) can suppress wireworms. Trials conducted by Agriculture Development Group, Inc. found an application at 40 lbs. per acre significantly reduced wireworm damage in a heavy pressure situation. Organic | |
| Nematodes | ||||||||
| Nematodes (various spp.) | oxamyl (Vydate C-LV) | See Label | 19.2pt | 48 h | 7 d | 1A | G | Vydate C-LV application instructions vary with nematode types. See instructions for Root-Knot Nematodes, Stubby-Root Nematodes, and Root Lesion Nematodes. |
| Root-Knot Nematodes | oxamyl (Vydate C-LV) | 2.1-4.25 pt | 19.2pt | 48 h | 7 d | 1A | G | Start with an in-furrow application at planting and follow with foliar applications via chemigation. The in-furrow application is optional but is recommended for risk-averse growers and when following alfalfa. |
| Root Lesion Nematodes | oxamyl (Vydate C-LV) | 2.1-4.25 pt | 19.2pt | 48 h | 7 d | 1A | G | Start with an in-furrow application at planting and follow with foliar applications via chemigation. The in-furrow application is optional but is recommended to risk-averse growers and when following alfalfa. |
| Stubby Root Nematodes | oxamyl (Vydate C-LV) | 2.1-4.25 pt | 19.2pt | 48 h | 7 d | 1A | G | Start with an in-furrow application at planting and follow with foliar applications via chemigation. The in-furrow application is optional but is recommended to risk-averse growers and when following alfalfa. Corky ringspot may not be controlled if nematodes are not suppressed prior to tuber initiation. |
| Target | Material | Application per Acre | Max/Season | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|---|---|
| Insects & Mites | ||||||||
| Aphid | thiamethoxam (Actara) | 3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when aphids are first detected. |
| imidacloprid (Admire Pro (foliar)) | 1.3 fl oz | 5.6fl oz | 12 h | 7 d | 4A | G | Apply to foliage when aphids are first detected. Expect shorter residual activity compared to seed treatment or soil application of Admire Pro. | |
| esfenvalerate (Asana XL) | 5.8-9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | F-P | Apply before aphid populations start to build, but only if it’s before mid-June. Not particularly effective for aphids. | |
| acetamiprid (Assail 70WP) | 1-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when aphids are first detected. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F-P | Apply when aphids first appear. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| beta-cyfluthrin (Baythroid XL) | 2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | F-P | Apply before aphid populations build, but only if it’s before mid-June. Not very effective for aphids. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | F-P | Apply when aphids first appear to limit spread of Potato Virus Y, or before aphids are present in large numbers if the goal is to keep aphid numbers in check and virus spread is not a concern. Organic | |
| bifenthrin + imidacloprid (Brigadier) | 3.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G | Apply before aphid populations build, but only if it’s before mid-June. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E | Apply before populations start to build, or before a systemic aphicide treatment breaks down. Rapid feeding cessation, so it is a good choice to limit spread of Potato Virus Y. | |
| novaluron + acetamidiprid (Cormoran) | 9-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G | Apply when aphids are first detected. The novaluron in Cormoran is not very effective for aphids. | |
| dimethoate (Dimethoate 400 EC) | 0.5-1.0 pt | 2pt | 48 h | 0 d | 1B | G | It will knockback aphid populations, but products with longer residual activity are preferred for controlling migratory aphids and limiting Potato Virus Y spread. Better for late season to knockback multiple pests. | |
| cyantraniliprole (Exirel) | 13.5-20.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | G | Apply before aphid populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. | |
| pymetrozine (Fulfill) | 2.75-5.5 oz | 11oz | 12 h | 14 d | 9B | E | Apply before populations start to build, or before a systemic aphicide treatment breaks down. Rapid feeding cessation, and aphids die 3-5 days later. A good choice to limit spread of Potato Virus Y. Apply 5.5 oz/A if also targeting psyllids. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | F | It will knockback aphids. Products with longer residuals are preferred for controlling migratory aphids and limiting Potato Virus Y spread. Better for late season to knockback multiple pests. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | G | Apply before aphid populations build, but only if it’s before mid-June. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | G | Apply before aphid populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. The abamectin in Minecto Pro is not very effective for aphids. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | E-G | Apply before populations build, or about 10 days before an earlier systemic insecticide breaks down. It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | F-P | Apply before aphid populations start to build, and it is before mid-June. Not particularly effective for aphids. | |
| azadirachtin (Neemix 4.5 IGR) | 5-7 fl oz | See Labelfl oz | 4 h | 0 d | NC | F-P | Apply when aphids first appear. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | F-P | Apply when insects first appear. Don’t wait until plants are heavily infested. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Organic | |
| afidopyropen (Sefina) | 3 fl oz | 28fl oz | 12 h | 7 d | 9D | E | Apply at the first sign of aphids. Anti-feeding activity should limit spread of potato viruses. | |
| flupyradifurone (Sivanto 200 SL) | 7-10.5 fl oz | 28fl oz | 4 h | 7 d | 4D | E | Early-to-mid season application will cover several migrating pests. Apply before populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. Use the highest allowed rate when aphid pressure is high, foliage is dense, or with aerial application. | |
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G | Apply when aphids are present for knockback control with anti-feeding. Contact insecticide with limited residual activity, so good coverage is important, especially when leaf growth is rapid, and other insecticides may be needed to extend control. | |
| sulfoxaflor (Transform WG) | 0.75-1.5 oz | 8.5oz | 24 h | 7 d | 4C | E | Early-to-mid season application will cover aphids and some other migrating pests. Apply when aphids are migrating into potatoes. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | F-P | Apply before aphids are present in large numbers if the goal is to keep aphid numbers in check and virus spread is not a concern. Apply when aphids first appear to limit virus spread, however it may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| oxamyl (Vydate C-LV) | 1.1-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G-F | Applications targeting nematodes may suppress aphids but are not expected to control large infestations. Apply before populations build, or before an earlier systemic aphicide breaks down. Re-treat after 14-days if aphids continue to move into the field and your goal is to limit spread of Potato Virus Y. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | F-P | Apply before aphid populations start to build, and it is before mid-June. Not particularly effective for aphids. | |
| Armyworms, Cutworms, Loopers | esfenvalerate (Asana XL) | 5.8-9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G | Apply when small caterpillars are present, but only if it’s before mid-June. |
| indoxacarb (Avaunt Insecticide) | 2.5-6 oz | 24oz | 12 h | 7 d | 22 | E-G | Apply when caterpillars are small. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | ND | Apply when caterpillars are small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6 to 2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | G | Apply when small caterpillars are present, but only if it’s before mid-June. | |
| spinosad (Blackhawk) | 2.25-3.5 oz | 14.4oz | 4 h | 7 d | 5 | G | Apply when larvae are small. The lower rate of 2.25 oz. per acre may be used for small larvae, and 3 to 3.5 oz. per acre should be used for larger larvae, but the largest larval stages may not be controlled at any rate. | |
| bifenthrin (Brigade 2EC) | 2.1-6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G | Worms are on the label but not in the potato section. Apply when small caterpillars are present, but only if it’s before mid-June. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G | Apply when caterpillars are small, but only if it’s before mid-June. | |
| novaluron + acetamidiprid (Cormoran) | 6-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | E | Apply when caterpillars are small. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | E | Apply when caterpillars are small. | |
| cyantraniliprole (Exirel) | See Label | 61.8fl oz | 12 h | 7 d | 28 | E | Apply when caterpillars are small. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | Kills worms on contact for knockback control, but it may also knockback some beneficial, predatory insects. Apply when insects are active. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | G | Apply when caterpillars are small, but only if it’s before mid-June. | |
| abamectin + cyantraniprole (Minecto Pro) | See Label | 20fl oz | 12 h | 14 d | 6, 28 | E | Apply when caterpillars are small. | |
| zeta-cypermethrin (Mustang Maxx) | See Label | 24fl oz | 12 h | 1 d | 3 | G | Apply when small caterpillars are present, but only if it’s before mid-June. | |
| azadirachtin (Neemix 4.5 IGR) | 4-10 fl oz | See Labelfl oz | 4 h | 0 d | NC | ND | Apply when caterpillars are small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when caterpillars first appear. Don’t wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | E | Apply when caterpillars are small. | |
| novaluron (Rimon) | 6-12 fl oz | 24fl oz | 12 h | 14 d | 15 | E | Apply when larvae are small. | |
| tolfenpyrad (Torac) | See Label | 42fl oz | 12 h | 14 d | 21A | G | Lepidopteran caterpillars are on the label but not in the potato section. It can knockback their numbers, especially if used when caterpillars are small. | |
| chlorantraniliprole (Vantacor) | 1.2-2.5 fl oz | 5.1fl oz | 4 h | 14 d | 28 | E | Apply when larvae are small. | |
| lambda-cyhalothrin (Warrior II) | fl oz | 7.68fl oz | 24 h | 7 d | 3 | G | Apply when small caterpillars are present, but only if it’s before mid-June. | |
| Beet Leafhopper | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when BLHs are present to minimize spread of phytoplasma diseases (e.g., purple top). |
| imidacloprid (Admire Pro (foliar)) | 1.3 fl oz | 5.6fl oz | 12 h | 7 d | 4A | G-F | Apply to foliage when BLHs are present to minimize spread of phytoplasma diseases (e.g., purple top). | |
| esfenvalerate (Asana XL) | 2.9-5.8 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G | Apply in May and/or early-to-mid June if BLH populations are building. | |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when BLHs are present to minimize spread of phytoplasma diseases (e.g., purple top). Retreat after 7-10 days to maintain control of incoming BLHs. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | ND | Apply when leafhoppers first appear. It may work too slowly to limit spread of phytoplasma diseases (e.g., purple top). Organic | |
| beta-cyfluthrin (Baythroid XL) | 0.8-1.6 fl oz | 16.8fl oz | 12 h | 0 d | 3 | G | Apply in May and/or early-to-mid June if BLH populations are building. | |
| bifenthrin + imidacloprid (Brigadier) | 3.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G | Apply in May and June to minimize spread of phytoplasma diseases (e.g., purple top) if BLH populations are building. | |
| dimethoate (Dimethoate 400 EC) | 0.5-1.0 pt | 2pt | 48 h | 0 d | 1B | P | It will control BLHs on contact but is not recommended because it provides only a few days of residual control. Products with longer residual activity are more cost-effective for maintaining control of BLH during their migration periods and limiting spread of phytoplasma diseases (e.g., purple top). | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | P | It will control BLHs on contact but is not recommended for this pest because residues last only a few days. Products with longer residual activity are better for maintaining control of BLH during their migration periods and limiting spread of phytoplasma diseases (e.g., purple top). | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | P | It will control BLHs on contact but is not recommended for this pest because it provides only 5-7 days of residual control. Products with longer residual activity are more cost-effective for maintaining control of BLH during their migration periods and limiting spread of phytoplasma diseases (e.g., purple top). | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | G | Apply in May and/or early-to-mid June if BLH populations are building. | |
| zeta-cypermethrin (Mustang Maxx) | 1.76-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | G | Apply in May and/or early-to-mid June if BLH populations are building. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | ND | Apply when beet leafhoppers first appear. It may work too slowly to limit spread of phytoplasma diseases (e.g., purple top). Organic | |
| flupyradifurone (Sivanto 200 SL) | 7-10.5 fl oz | 28fl oz | 4 h | 7 d | 4D | E | Early-to-mid season application will cover many migrating pests, including BLHs. Watch the Contour Maps in the Potato DAS every week to monitor regional BLH population densities. | |
| sulfoxaflor (Transform WG) | 1.5-2.25 oz | 8.5oz | 24 h | 7 d | 4C | E | Early-to-mid season application will cover many migrating pests, including BLHs. Watch the Contour Maps in the Potato DAS every week to monitor regional BLH population densities. | |
| oxamyl (Vydate C-LV) | 1.1-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply when BLH populations are increasing. Re-treat after 14-days to maintain control of migrating BLHs. Making 3-4 applications late May to early July has been observed to control BLHs and prevent transmission of purple top disease. Later applications are not usually warranted. | |
| lambda-cyhalothrin (Warrior II) | 0.96-1.6 fl oz | 7.68fl oz | 24 h | 7 d | 3 | G | Apply in May and June to minimize spread of phytoplasma diseases (e.g., purple top) if BLH populations are building. | |
| Colorado Potato Beetle | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when about 50% of the eggs have hatched larvae are small. |
| imidacloprid (Admire Pro (foliar)) | 1.3 fl oz | 5.6fl oz | 12 h | 7 d | 4A | G | Apply to foliage when about 50% of the eggs have hatched larvae are small. | |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | G | Apply when 50% of eggs have hatched and larvae are small. If two applications are needed, limit them to a single CPB generation. | |
| esfenvalerate (Asana XL) | 5.8-9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G | Apply at 50% egg hatch while larvae are small, but only if it’s before mid-June. | |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when about 50% of the eggs have hatched larvae are small. | |
| indoxacarb (Avaunt Insecticide) | 3.5-6 oz | 24oz | 12 h | 7 d | 22 | E-G | Apply at 50% egg hatch when larvae are small. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Apply at 30% egg hatch when larvae are very small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | G | Apply at 50% egg hatch while larvae are small, but only if it’s before mid-June. | |
| spinosad (Blackhawk) | 1.7-3.3 oz | 14.4oz | 4 h | 7 d | 5 | G | Apply when about 50% of the eggs have hatched and most larvae are small. Do not apply to consecutive generations of CPB. | |
| bifenthrin (Brigade 2EC) | 2.1-6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G | CPBs are on the label but not in the potato section. Apply at 50% egg hatch while larvae are small, but only if it’s before mid-June. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G | Apply at 50% eggs hatch when larvae are small, but only if it’s before mid-June. | |
| ledprona (Calantha) | 12-16 fl oz | 64fl oz | 4 hr | — | 35 | E | Apply at 25% egg hatch. This product will work on all life stages (except eggs) but is most effective against small larvae (up to 1/4 inch). | |
| novaluron + acetamidiprid (Cormoran) | 6-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | E | Apply at 50% eggs hatch when larvae are small. Don’t apply to successive generations of CPB. | |
| spinetoram (Delegate WG) | 2.25-4 oz | 16oz | 4 h | 7 d | 5 | G | Apply at 50% egg hatch when larvae are small. | |
| spinosad (Entrust SC Naturalyte Insect Control) | 21pt | 4 h | 7 d | 5 | G | Apply at 30% egg hatch when larvae are very small. Organic | ||
| cyantraniliprole (Exirel) | 5-15.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E | Apply at 50% egg hatch when larvae are small. Do not apply more than once via chemigation for CPBs. | |
| cyclaniliprole (Harvanta 50SL) | 5.5-10.9 fl oz | 49.2fl oz | 4 h | 7 d | 28 | E | See Section 2(ee) Recommendation. Apply at 50% eggs hatch when larvae are small. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | G-F | Apply when about 50% of eggs have hatched and larvae are small for knockback control. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | The label doesn’t mention CPBs, but applications made to target other pests will control beetles and larvae. It will also knockback some predator insects. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | G | Apply at 50% eggs hatch when larvae are small, but only if it’s before mid-June. | |
| abamectin + cyantraniprole (Minecto Pro) | 5.5 to 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E | Apply at 50% egg hatch when larvae are small. Don’t apply more than twice to a generation of CPB, or within any 30-day period. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | G | Apply at 50% egg hatch while larvae are small, but only if it’s before mid-June. | |
| azadirachtin (Neemix 4.5 IGR) | 4-10 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Apply at 30% egg hatch when larvae are very small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | F | Apply at 30% egg hatch when larvae are first instars. Don’t wait until plants are heavily infested. Don’t apply to consecutive generations of CPB. Organic | |
| spinetoram (Radiant SC) | 4.5-8 fl oz | 32fl oz | 4 h | 7 d | 5 | G | Apply at 50% egg hatch when larvae are small. | |
| novaluron (Rimon) | 6-12 fl oz | 24fl oz | 12 h | 14 d | 15 | G | Apply at 50% egg hatch when larvae are small. Use higher rates and higher spray volumes when larvae are large. | |
| flupyradifurone (Sivanto 200 SL) | 10.5-14 fl oz | 28fl oz | 4 h | 7 d | 4D | G | Apply at 50% egg hatch when larvae are small. | |
| tolfenpyrad (Torac) | 14-21 fl oz | 42fl oz | 12 h | 14 d | 21A | E | Apply when about 50% of the eggs have hatched for best results. Rapid anti-feeding activity. It controls eggs, larvae, and adults. | |
| Bacillus thuringiensis ssp. (Trident Biological Insecticide) | 3-6 qt | no maximumqt | 4 h | 0 d | 11 | ND | Apply as soon as eggs begin to hatch. Larvae stop eating within a few hours, and they die within 2-4 days. Organic | |
| chlorantraniliprole (Vantacor) | 1.2-2.5 fl oz | 5.1fl oz | 4 h | 14 d | 28 | E | Apply when about 50% of the eggs have hatched and most larvae are small. Don’t apply more than once via chemigation for CPBs. | |
| oxamyl (Vydate C-LV) | 0.5-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply when 50% of eggs have hatched and most larvae are small. Expect 7-14 days of residual control. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | G | Apply at 50% egg hatch while larvae are small, but only if it’s before mid-June. | |
| Lygus Bugs | esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G | Lygus bugs are on the label but not in the potato section. Apply when nymphs are present if it’s before mid-June. |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | ND | Apply when nymphs are present. Organic | |
| beta-cyfluthrin (Baythroid XL) | See Label fl oz | 16.8fl oz | 12 h | 0 d | 3 | G | Lygus bugs are on the label but not in the potato section. Apply when nymphs are present if it’s before mid-June. | |
| bifenthrin (Brigade 2EC) | 2.1-6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G | Lygus bugs are on the label but not in the potato section. Apply when nymphs are present before mid-June. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G | Apply when nymphs are present, but only if it’s before mid-June. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E | Apply when nymph stages are present. | |
| dimethoate (Dimethoate 400 EC) | 0.5-1.0 pt | 2pt | 48 h | 0 d | 1B | G | Lygus bugs are on the label but not in the potato section. It will knockback lygus bugs, especially if applied when nymphs are present. | |
| phosmet (Imidan 70-W) | See Label | 6.67lb | 5 d | 7 d | 1B | G-F | Lygus bugs are on the label but not in the potato section. It can knockback lygus bugs, especially if applied when nymphs are present. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | Kills lygus bugs on contact for knockback control, but it may also knockback some beneficial, predatory insects. Apply when nymphs are present for best results. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | G | Apply when nymphs are present, but only if it’s before mid-June. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | G | Apply when nymphs are present before mid-June. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | ND | Apply when nymphs are present. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when nymphs first appear. Don’t wait until plants are heavily infested. Organic | |
| novaluron (Rimon) | See Label | 24fl oz | 12 h | 14 d | 15 | G | Lygus bugs are not listed in the potato section of the label but are mentioned for other crops. Apply when early nymph stages are present. | |
| sulfoxaflor (Transform WG) | 1.5-2.25 oz | 8.5oz | 24 h | 7 d | 4C | E | See Section 2ee Recommendation for plant bugs in potatoes. Apply when nymph stages are present. | |
| oxamyl (Vydate C-LV) | 1.1-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply when nymphs are present. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | G | Apply when nymphs are present before mid-June. | |
| Potato Psyllid | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | G (a) | The label does not mention potato psyllids, but applications targeting other pests can control them. Apply when adult psyllids are migrating into the field. |
| imidacloprid (Admire Pro (foliar)) | 1.3 fl oz | 5.6fl oz | 12 h | 7 d | 4A | G (a) | Apply to foliage when adult potato psyllids are migrating. | |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | E (n+a) | Apply when psyllids are present, especially if eggs are hatching. It will control all life stages and is a good choice when eggs and nymphs are present. Translaminar, so it will control nymphs on the underside of leaves. | |
| esfenvalerate (Asana XL) | 2.9-5.8 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G (n+a) | Apply when adult psyllids are migrating into the field and it's before mid-June. If early nymphs are present, it may not control the nymphs that are on the underside of leaves where the product may not be as well distributed. | |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | G (a) | The label does not mention potato psyllids, but applications targeting other pests can control them. Apply when adult psyllids are migrating into the field. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | G (n+a) | Apply when adult psyllids are migrating into the field and it’s before mid-June. If early nymphs are present, it may not control nymphs on the underside of leaves where the product is not well distributed. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply before psyllids colonize the field (i.e., before nymphs develop into second generation adults) to limit spread of zebra chip disease. Organic | |
| spinosad (Blackhawk) | See Label | 14.4oz | 4 h | 7 d | 5 | G (n) | Psyllids are not on the label, but applications targeting other pests may control psyllid nymphs. No adult activity. Translaminar, so it should get to the nymphs on the underside of leaves. | |
| bifenthrin (Brigade 2EC) | 2.1 to 6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G (n+a) | Apply when adult psyllids are migrating into the field, but only if it’s before mid-June. If early nymphs are present, it may not control the nymphs on the underside of leaves where the product is not well distributed. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G (n+a) | Apply when adult psyllids are migrating into the field, but only if it’s before mid-June. It should also control nymphs. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E (n+a) | Apply when adult psyllids are migrating into the field and are depositing eggs. Rapid feeding cessation, so it is a good choice to limit zebra chip spread. Translaminar, so it will control nymphs on the underside of leaves, but not systemic. | |
| novaluron + acetamidiprid (Cormoran) | 12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G (n+a) | Apply when eggs are hatching/nymphs are present. It should control all life stages. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | G (n) | Apply when psyllids have deposited eggs that are hatching. It will not control adults. | |
| dimethoate (Dimethoate 400 EC) | See Label | 2pt | 48 h | 0 d | 1B | F-P (a) | The label doesn’t mention psyllids, but applications made to target other pests will knockback psyllids. Products with longer residuals are preferred for controlling psyllids as they slowly migrate into potatoes. | |
| spinosad (Entrust SC Naturalyte Insect Control) | See Label | 21pt | 4 h | 7 d | 5 | G (n) | The label does not mention psyllids, but it should provide some control. Apply when psyllid nymphs are present. Translaminar, so it should control nymphs on the underside of leaves. Organic | |
| cyantraniliprole (Exirel) | 13.5-20.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E (a) | Apply before psyllid populations build. Target the adult life stage. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. | |
| pymetrozine (Fulfill) | 5.5 oz | 11oz | 12 h | 14 d | 9B | G (n+a) | Apply when adults are migrating into the field and are depositing eggs. Translaminar, so it should control nymphs on the underside of leaves, but not systemic. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | F-P (a) | It can knockback adult psyllid populations. Products with longer residuals are preferred for controlling psyllids as they slowly migrate into potatoes. | |
| methomyl (Lannate LV) | See Label | 15pt | 48 h | 6 d | 1A | F | The label doesn’t mention psyllids, but applications made to target other pests will knockback adult psyllids. It will also knockback some predatory insects. Products with longer residuals are preferred for controlling psyllids as they slowly migrate into potatoes. Better for late season to knockback multiple pests. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | G (n+a) | Apply when adult psyllids are migrating into the field and it’s before mid-June. It should also control nymphs. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E (n+a) | Apply when adults are migrating into the field, especially if they are depositing eggs. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. Controls all life stages. Translaminar, so it will control nymphs on the underside of leaves. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | E (n+a) | Apply at the first appearance of psyllids, or about 10 days before an earlier systemic insecticide breaks down. It is best used early in the outbreak cycle due to its systemic properties and to take advantage of its efficacy against all psyllid life stages. | |
| zeta-cypermethrin (Mustang Maxx) | See Label | 24fl oz | 12 h | 1 d | 3 | G (n+a) | Psyllids are on the label but not in the potato section. Apply when adult psyllids are migrating into the field and it’s before mid-June. It may not control nymphs on the underside of leaves where the product is not well distributed. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when psyllids first appear. Don't wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | G (n) | Apply when psyllids have deposited eggs that are hatching. It will not control adults. | |
| novaluron (Rimon) | 12 fl oz | 24fl oz | 12 h | 14 d | 15 | F (n) | Apply when psyllid eggs are hatching/nymphs are present. This product does not control adults. The Rimon label recommends applying with an adulticide for optimum control. No systemic or translaminar activity, so it may not always reach nymphs on the underside of leaves. | |
| afidopyropen (Sefina) | 14 fl oz | 28fl oz | 12 h | 7 d | 9D | G (n+a) | Apply when adults are migrating into the field, especially if they are depositing eggs. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. Controls all life stages. Translaminar, so it will control nymphs on the underside of leaves. | |
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G (n+a) | Apply when psyllids are present for knockback control with anti-feeding. Products with longer residuals are preferred for controlling psyllids that slowly migrate into potatoes. Torac can control all life stages, but it may not always reach nymphs on the underside of leaves. | |
| sulfoxaflor (Transform WG) | 2.0-2.25 oz | 8.5oz | 24 h | 7 d | 4C | E (n+a) | Early-to-mid season application will cover many incoming, migrating pests, including psyllids. Translaminar so it should get to the nymphs on the underside of leaves. Watch the Contour Maps in the Potato DAS every week to monitor regional potato psyllid population densities. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | ND | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | G (n+a) | Apply when adult psyllids are migrating into the field and it’s before mid-June. If early nymphs are present, it may not control nymphs on the underside of leaves where the product is not well distributed. | |
| Thrips | abamectin (Agri-Mek SC) | 3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | F | Not recommended as a rescue treatment for thrips, but it can help to suppress thrips populations. |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply before thrips are present in large numbers. Organic | |
| spinosad (Blackhawk) | 2.25-3.5 oz | 14.4oz | 4 h | 7 d | 5 | E | An adjuvant added to spray solution may improve thrips control. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | E | ||
| spinosad (Entrust SC Naturalyte Insect Control) | 21pt | 4 h | 7 d | 5 | G | Organic | ||
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | Kills thrips on contact for knockback control. It may also knockback some beneficial, predatory insects. Apply when thrips are active. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | F | Minecto Pro is not recommended as a rescue treatment for thrips, but it can help to suppress thrips populations. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | F | Movento HL can suppress thrips larvae, but it is not recommended as a rescue treatment. | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Don’t wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | E | ||
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G | Apply when thrips are present for knockback control. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | ND | Apply before thrips are present in large numbers. Organic | |
| Nematodes | ||||||||
| Nematodes (various spp.) | spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | P | Movento HL can suppress nematodes, but it is best used in combination with other nematode controls, like fumigant nematicides or a Vydate (oxamyl) program. |
| oxamyl (Vydate C-LV) | See Label | 19.2pt | 48 h | 7 d | 1A | G | Vydate C-LV application instructions vary with nematode types. See instructions for Root-Knot Nematodes, Stubby-Root Nematodes, and Root Lesion Nematodes. | |
| Root-Knot Nematodes | oxamyl (Vydate C-LV) | 2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply the first foliar treatment of 2.1 pints/A via chemigation at crop emergence. Follow with 2.1 pints/A when soil degree-days reach 1440 DD °F, and then 2.1 pints/A on 14-day intervals until 7 days to harvest. |
| Root Lesion Nematodes | oxamyl (Vydate C-LV) | 2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply the first foliar treatment of 2.1 pints/A via chemigation at crop emergence. Follow with three applications of 2.1 pints/A on 14-day intervals. |
| Stubby Root Nematodes | oxamyl (Vydate C-LV) | 2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply the first foliar treatment of 2.1 pints/A via chemigation at crop emergence. Follow with three applications of 2.1 pints/A on 14-day intervals. Stubby root nematodes must be suppressed prior to tuber initiation to control corky ringspot. |
| Target | Material | Application per Acre | Max/Season | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|---|---|
| Insects & Mites | ||||||||
| Aphid | thiamethoxam (Actara) | 3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when aphids are first detected. |
| esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | P | Not particularly effective for aphids. Use of pyrethroid insecticides is not recommended mid-season. If used, monitor for subsequent pest outbreaks. | |
| acetamiprid (Assail 70WP) | 1-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when aphids are first detected. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F-P | Apply when aphids first appear. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| beta-cyfluthrin (Baythroid XL) | 2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. Not very effective for aphids. If used, apply before aphid populations build. Monitor for subsequent pest outbreaks. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | F-P | Apply when aphids first appear to limit spread of Potato Virus Y, or before aphids are present in large numbers if the goal is to keep aphid numbers in check and virus spread is not a concern. Organic | |
| bifenthrin + imidacloprid (Brigadier) | 3.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply before aphid populations build. Monitor for subsequent pest outbreaks. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E | Apply before populations start to build, or before a systemic aphicide treatment breaks down. Rapid feeding cessation, so it is a good choice to limit spread of Potato Virus Y. | |
| novaluron + acetamidiprid (Cormoran) | 9-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G | Apply when aphids are first detected. The novaluron in Cormoran is not very effective for aphids. | |
| dimethoate (Dimethoate 400 EC) | 0.5-1.0 pt | 2pt | 48 h | 0 d | 1B | G | It will knockback aphid populations, but products with longer residual activity are preferred for controlling migratory aphids and limiting Potato Virus Y spread. Better for late season to knockback multiple pests. | |
| cyantraniliprole (Exirel) | 13.5-20.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | G | Apply before aphid populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. | |
| pymetrozine (Fulfill) | 2.75-5.5 oz | 11oz | 12 h | 14 d | 9B | E | Apply before populations start to build, or before a systemic aphicide treatment breaks down. Rapid feeding cessation, and aphids die 3-5 days later. A good choice to limit spread of Potato Virus Y. Apply 5.5 oz/A if also targeting psyllids. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | F | It will knockback aphids. Products with longer residuals are preferred for controlling migratory aphids and limiting Potato Virus Y spread. Better for late season to knockback multiple pests. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply before aphid populations build. Monitor for subsequent pest outbreaks. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | G | Apply before aphid populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. The abamectin in Minecto Pro is not very effective for aphids. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | E-G | Apply before populations build, or about 10 days before an earlier systemic insecticide breaks down. It may work too slowly to prevent spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. Not very effective for aphids. If used, apply before aphid populations build. Monitor for subsequent pest outbreaks. | |
| azadirachtin (Neemix 4.5 IGR) | 5-7 fl oz | See Labelfl oz | 4 h | 0 d | NC | F-P | Apply when aphids first appear. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | F-P | Apply when insects first appear. Don’t wait until plants are heavily infested. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Organic | |
| afidopyropen (Sefina) | 3 fl oz | 28fl oz | 12 h | 7 d | 9D | E | Apply at the first sign of aphids. Anti-feeding activity should limit spread of potato viruses. | |
| flupyradifurone (Sivanto 200 SL) | 7-10.5 fl oz | 28fl oz | 4 h | 7 d | 4D | E | Early-to-mid season application will cover several migrating pests. Apply before populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. Use the highest allowed rate when aphid pressure is high, foliage is dense, or with aerial application. | |
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G | Apply when aphids are present for knockback control with anti-feeding. Contact insecticide with limited residual activity, so good coverage is important, especially when leaf growth is rapid, and other insecticides may be needed to extend control. | |
| sulfoxaflor (Transform WG) | 0.75-1.5 oz | 8.5oz | 24 h | 7 d | 4C | E | Early-to-mid season application will cover aphids and some other migrating pests. Apply when aphids are migrating into potatoes. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | F-P | Apply before aphids are present in large numbers if the goal is to keep aphid numbers in check and virus spread is not a concern. Apply when aphids first appear to limit virus spread, however it may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| oxamyl (Vydate C-LV) | 1.1-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G-F | Applications targeting nematodes may suppress aphids but are not expected to control large infestations. Apply before populations build, or before an earlier systemic aphicide breaks down. Re-treat after 14-days if aphids continue to move into the field and your goal is to limit spread of Potato Virus Y. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. Not very effective for aphids. If used, apply before aphid populations build. Monitor for subsequent pest outbreaks. | |
| Armyworms, Cutworms, Loopers | esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when small caterpillars are present. Monitor for subsequent pest outbreaks. |
| indoxacarb (Avaunt Insecticide) | 2.5-6 oz | 24oz | 12 h | 7 d | 22 | E-G | Apply when caterpillars are small. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | ND | Apply when caterpillars are small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6 to 2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | P | Pyrethroid insecticides should not be applied mid-season. If used, apply when small caterpillars are present. Monitor for subsequent pest outbreaks. | |
| spinosad (Blackhawk) | 2.25-3.5 oz | 14.4oz | 4 h | 7 d | 5 | G | Apply when larvae are small. The lower rate of 2.25 oz. per acre may be used for small larvae, and 3 to 3.5 oz. per acre should be used for larger larvae, but the largest larval stages may not be controlled at any rate. | |
| bifenthrin (Brigade 2EC) | 2.1 to 6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | P | Worms are on the label but not in the potato section. Use of pyrethroid insecticides is not recommended mid-season. If used, apply when small caterpillars are present. Monitor for subsequent pest outbreaks. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when caterpillars are small. Monitor for subsequent pest outbreaks. | |
| novaluron + acetamidiprid (Cormoran) | 6-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | E | Apply when caterpillars are small. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | E | Apply when caterpillars are small. | |
| cyantraniliprole (Exirel) | See Label | 61.8fl oz | 12 h | 7 d | 28 | E | Apply when caterpillars are small. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | Kills worms on contact for knockback control, but it may also knockback some beneficial, predatory insects. Apply when insects are active. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when caterpillars are small. Monitor for subsequent pest outbreaks. | |
| abamectin + cyantraniprole (Minecto Pro) | See Label | 20fl oz | 12 h | 14 d | 6, 28 | E | Apply when caterpillars are small. | |
| zeta-cypermethrin (Mustang Maxx) | See Label | 24fl oz | 12 h | 1 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when small caterpillars are present. Monitor for subsequent pest outbreaks. | |
| azadirachtin (Neemix 4.5 IGR) | 4-10 fl oz | See Labelfl oz | 4 h | 0 d | NC | ND | Apply when caterpillars are small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when caterpillars first appear. Don’t wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | E | Apply when caterpillars are small. | |
| novaluron (Rimon) | 6-12 fl oz | 24fl oz | 12 h | 14 d | 15 | E | Apply when larvae are small. | |
| tolfenpyrad (Torac) | See Label | 42fl oz | 12 h | 14 d | 21A | G | Lepidopteran caterpillars are on the label but not in the potato section. It can knockback their numbers, especially if used when caterpillars are small. | |
| chlorantraniliprole (Vantacor) | 1.2-2.5 fl oz | 5.1fl oz | 4 h | 14 d | 28 | E | Apply when larvae are small. | |
| lambda-cyhalothrin (Warrior II) | fl oz | 7.68fl oz | 24 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when small caterpillars are present. Monitor for subsequent pest outbreaks. | |
| Beet Leafhopper | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when BLHs are present to minimize spread of phytoplasma diseases (e.g., purple top). |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when BLHs are present to minimize spread of phytoplasma diseases (e.g., purple top). Retreat after 7-10 days to maintain control of incoming BLHs. | |
| flupyradifurone (Sivanto 200 SL) | 7-10.5 fl oz | 28fl oz | 4 h | 7 d | 4D | E | Early-to-mid season application will cover many migrating pests, including BLHs. Watch the Contour Maps in the Potato DAS every week to monitor regional BLH population densities. | |
| sulfoxaflor (Transform WG) | 1.5-2.25 oz | 8.5oz | 24 h | 7 d | 4C | E | Early-to-mid season application will cover many migrating pests, including BLHs. Watch the Contour Maps in the Potato DAS every week to monitor regional BLH population densities. | |
| Colorado Potato Beetle | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when about 50% of the eggs have hatched larvae are small. |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | G | Apply when 50% of eggs have hatched and larvae are small. If two applications are needed, limit them to a single CPB generation. | |
| esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when larvae are small. Monitor for subsequent pest outbreaks. | |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when about 50% of the eggs have hatched larvae are small. | |
| indoxacarb (Avaunt Insecticide) | 3.5-6 oz | 24oz | 12 h | 7 d | 22 | E-G | Apply at 50% egg hatch when larvae are small. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Apply at 30% egg hatch when larvae are very small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when larvae are small. Monitor for subsequent pest outbreaks. | |
| spinosad (Blackhawk) | 1.7-3.3 oz | 14.4oz | 4 h | 7 d | 5 | G | Apply when about 50% of the eggs have hatched and most larvae are small. Do not apply to consecutive generations of CPB. | |
| bifenthrin (Brigade 2EC) | 2.1 to 6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | P | CPBs are on the label but not in the potato section. Use of pyrethroid insecticides is not recommended mid-season. If used, apply when larvae are small. Monitor for subsequent pest outbreaks. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply at 50% eggs hatch when larvae are small. Monitor for subsequent pest outbreaks. | |
| ledprona (Calantha) | 12-16 fl oz | 64fl oz | 4 hr | — | 35 | E | Apply at 25% egg hatch. This product will work on all life stages (except eggs) but is most effective against small larvae (up to 1/4 inch). | |
| novaluron + acetamidiprid (Cormoran) | 6-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | E | Apply at 50% eggs hatch when larvae are small. Don’t apply to successive generations of CPB. | |
| spinetoram (Delegate WG) | 2.25-4 oz | 16oz | 4 h | 7 d | 5 | G | Apply at 50% egg hatch when larvae are small. | |
| spinosad (Entrust SC Naturalyte Insect Control) | 21pt | 4 h | 7 d | 5 | G | Apply at 30% egg hatch when larvae are very small. Organic | ||
| cyantraniliprole (Exirel) | 5-15.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E | Apply at 50% egg hatch when larvae are small. Do not apply more than once via chemigation for CPBs. | |
| cyclaniliprole (Harvanta 50SL) | 5.5-10.9 fl oz | 49.2fl oz | 4 h | 7 d | 28 | E | See Section 2(ee) Recommendation. Apply at 50% eggs hatch when larvae are small. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | G-F | Apply when about 50% of eggs have hatched and larvae are small for knockback control. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | The label doesn’t mention CPBs, but applications made to target other pests will control beetles and larvae. It will also knockback some predator insects. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply before aphid populations build. Monitor for subsequent pest outbreaks. | |
| abamectin + cyantraniprole (Minecto Pro) | 5.5 to 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E | Apply at 50% egg hatch when larvae are small. Don’t apply more than twice to a generation of CPB, or within any 30-day period. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when larvae are small. Monitor for subsequent pest outbreaks. | |
| azadirachtin (Neemix 4.5 IGR) | 4-10 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Apply at 30% egg hatch when larvae are very small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | F | Apply at 30% egg hatch when larvae are first instars. Don’t wait until plants are heavily infested. Don’t apply to consecutive generations of CPB. Organic | |
| spinetoram (Radiant SC) | 4.5-8 fl oz | 32fl oz | 4 h | 7 d | 5 | G | Apply at 50% egg hatch when larvae are small. | |
| novaluron (Rimon) | 6-12 fl oz | 24fl oz | 12 h | 14 d | 15 | G | Apply at 50% egg hatch when larvae are small. Use higher rates and higher spray volumes when larvae are large. | |
| flupyradifurone (Sivanto 200 SL) | 10.5-14 fl oz | 28fl oz | 4 h | 7 d | 4D | G | Apply at 50% egg hatch when larvae are small. | |
| tolfenpyrad (Torac) | 14-21 fl oz | 42fl oz | 12 h | 14 d | 21A | E | Apply when about 50% of the eggs have hatched for best results. Rapid anti-feeding activity. It controls eggs, larvae, and adults. | |
| Bacillus thuringiensis ssp. (Trident Biological Insecticide) | 3-6 qt | no maximumqt | 4 h | 0 d | 11 | ND | Apply as soon as eggs begin to hatch. Larvae stop eating within a few hours, and they die within 2-4 days. Organic | |
| chlorantraniliprole (Vantacor) | 1.2-2.5 fl oz | 5.1fl oz | 4 h | 14 d | 28 | E | Apply when about 50% of the eggs have hatched and most larvae are small. Don’t apply more than once via chemigation for CPBs. | |
| oxamyl (Vydate C-LV) | 0.5-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply when 50% of eggs have hatched and most larvae are small. Expect 7-14 days of residual control. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when larvae are small. Monitor for subsequent pest outbreaks. | |
| Lygus Bugs | esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | P | Lygus bugs are on the label but not in the potato section. Use of pyrethroid insecticides is not recommended mid-season. If used, apply when nymphs are present. Monitor for subsequent pest outbreaks. |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | ND | Apply when nymphs are present. Organic | |
| beta-cyfluthrin (Baythroid XL) | See Label fl oz | 16.8fl oz | 12 h | 0 d | 3 | P | Lygus bugs are on the label but not in the potato section. Use of pyrethroid insecticides is not recommended mid-season. If used, apply when nymphs are present. Monitor for subsequent pest outbreaks. | |
| bifenthrin (Brigade 2EC) | 2.1-6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | P | Lygus bugs are on the label but not in the potato section. Use of pyrethroid insecticides is not recommended mid-season. If used, apply when small larvae are present. Monitor for subsequent pest outbreaks. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when nymphs are present. Monitor for subsequent pest outbreaks. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E | Apply when nymph stages are present. | |
| dimethoate (Dimethoate 400 EC) | 0.5-1.0 pt | 2pt | 48 h | 0 d | 1B | G | Lygus bugs are on the label but not in the potato section. It will knockback lygus bugs, especially if applied when nymphs are present. | |
| phosmet (Imidan 70-W) | See Label | 6.67lb | 5 d | 7 d | 1B | G-F | Lygus bugs are on the label but not in the potato section. It can knockback lygus bugs, especially if applied when nymphs are present. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | Kills lygus bugs on contact for knockback control, but it may also knockback some beneficial, predatory insects. Apply when nymphs are present for best results. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when nymphs are present. Monitor for subsequent pest outbreaks. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when nymphs are present. Monitor for subsequent pest outbreaks. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | ND | Apply when nymphs are present. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when nymphs first appear. Don’t wait until plants are heavily infested. Organic | |
| novaluron (Rimon) | See Label | 24fl oz | 12 h | 14 d | 15 | G | Lygus bugs are not listed in the potato section of the label but are mentioned for other crops. Apply when early nymph stages are present. | |
| sulfoxaflor (Transform WG) | 1.5-2.25 oz | 8.5oz | 24 h | 7 d | 4C | E | See Section 2ee Recommendation for plant bugs in potatoes. Apply when nymph stages are present. | |
| oxamyl (Vydate C-LV) | 1.1-2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Apply when nymphs are present. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when nymphs are present. Monitor for subsequent pest outbreaks. | |
| Potato Psyllid | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | G (a) | The label does not mention potato psyllids, but applications targeting other pests can control them. Apply when adult psyllids are migrating into the field. |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | E (n+a) | Apply when psyllids are present, especially if eggs are hatching. It will control all life stages and is a good choice when eggs and nymphs are present. Translaminar, so it will control nymphs on the underside of leaves. | |
| esfenvalerate (Asana XL) | 67.2fl oz | 12 h | 7 d | 3 | P (n+a) | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when psyllids are present. It may not provide adequate control of nymphs on the underside of leaves. Monitor for subsequent pest outbreaks. | ||
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | G (a) | The label does not mention potato psyllids, but applications targeting other pests can control them. Apply when adult psyllids are migrating into the field. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when psyllids are present. It may not control nymphs on the underside of leaves where the product is not well distributed. Monitor for subsequent pest outbreaks. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply before psyllids colonize the field (i.e., before nymphs develop into second generation adults) to limit spread of zebra chip disease. Organic | |
| spinosad (Blackhawk) | See Label | 14.4oz | 4 h | 7 d | 5 | G (n) | Psyllids are not on the label, but applications targeting other pests may control psyllid nymphs. No adult activity. Translaminar, so it should get to the nymphs on the underside of leaves. | |
| bifenthrin (Brigade 2EC) | 2.1-6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | P (n+a) | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when psyllids are present. It may not control nymphs on the underside of leaves where the product is not well distributed. Monitor for subsequent pest outbreaks. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when adult psyllids are migrating into the field. It should also control nymphs. Monitor for subsequent pest outbreaks. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E (n+a) | Apply when adult psyllids are migrating into the field and are depositing eggs. Rapid feeding cessation, so it is a good choice to limit zebra chip spread. Translaminar, so it will control nymphs on the underside of leaves, but not systemic. | |
| novaluron + acetamidiprid (Cormoran) | 12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G (n+a) | Apply when eggs are hatching/nymphs are present. It should control all life stages. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | G (n) | Apply when psyllids have deposited eggs that are hatching. It will not control adults. | |
| dimethoate (Dimethoate 400 EC) | See Label | 2pt | 48 h | 0 d | 1B | F-P (a) | The label doesn’t mention psyllids, but applications made to target other pests will knockback psyllids. Products with longer residuals are preferred for controlling psyllids as they slowly migrate into potatoes. | |
| spinosad (Entrust SC Naturalyte Insect Control) | See Label | 21pt | 4 h | 7 d | 5 | G (n) | The label does not mention psyllids, but it should provide some control. Apply when psyllid nymphs are present. Translaminar, so it should control nymphs on the underside of leaves. Organic | |
| cyantraniliprole (Exirel) | 13.5-20.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E (a) | Apply before psyllid populations build. Target the adult life stage. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. | |
| pymetrozine (Fulfill) | 5.5 oz | 11oz | 12 h | 14 d | 9B | G (n+a) | Apply when adults are migrating into the field and are depositing eggs. Translaminar, so it should control nymphs on the underside of leaves, but not systemic. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | F-P (a) | It can knockback adult psyllid populations. Products with longer residuals are preferred for controlling psyllids as they slowly migrate into potatoes. | |
| methomyl (Lannate LV) | See Label | 15pt | 48 h | 6 d | 1A | G | The label doesn't mention psyllids, but applications made to target other pests will knockback adult psyllids. It will also knockback some predatory insects. Products with longer residuals are preferred for controlling psyllids as they slowly migrate into potatoes. Best used late in the season to knockback multiple pests. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | P (n+a) | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when adult psyllids are migrating into the field. Monitor for subsequent pest outbreaks. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E (n+a) | Apply when adults are migrating into the field, especially if they are depositing eggs. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. Controls all life stages. Translaminar, so it will control nymphs on the underside of leaves. | |
| fenpyroximate (Miteus) | 2 pt | 4pt | 12 h | 7 d | 21A | E (n+a) | Apply when adults have migrated into the field and are depositing eggs. Controls all life stages, also stops feeding and egg laying. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | E (n+a) | Apply at the first appearance of psyllids, or about 10 days before an earlier systemic insecticide breaks down. It is best used early in the outbreak cycle due to its systemic properties and to take advantage of its efficacy against all psyllid life stages. | |
| zeta-cypermethrin (Mustang Maxx) | fl oz | 24fl oz | 12 h | 1 d | 3 | P | Psyllids are on the label but not in the potato section. Use of pyrethroid insecticides is not recommended mid-season. If used, apply when psyllids are present. It may not control nymphs on the underside of leaves where the product is not well distributed. Monitor for subsequent pest outbreaks. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| spiromesifen (Oberon 4SC) | 4-8 oz | 16oz | 12 h | 7 d | 23 | E-G (n) | Apply to control psyllid eggs and nymphs. Translaminar, so it should control nymphs on the underside of leaves. It will not control adults. | |
| hexythiazox (Onager, Onager Optek) | 16 to 24 fl oz | 24oz | 12 h | 21 d | 10A | G (n) | Apply to control psyllid eggs and nymphs. Translaminar, so it should control nymphs on the underside of leaves. It will not control adults. | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when psyllids first appear. Don't wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | G (n) | Apply when psyllids have deposited eggs that are hatching. It will not control adults. | |
| novaluron (Rimon) | 12 fl oz | 24fl oz | 12 h | 14 d | 15 | F (n) | Apply when psyllid eggs are hatching/nymphs are present. This product does not control adults. The Rimon label recommends applying with an adulticide for optimum control. No systemic or translaminar activity, so it may not always reach nymphs on the underside of leaves. | |
| afidopyropen (Sefina) | 14 fl oz | 28fl oz | 12 h | 7 d | 9D | G (n+a) | Apply when adults are migrating into the field, especially if they are depositing eggs. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. Controls all life stages. Translaminar, so it will control nymphs on the underside of leaves. | |
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G (n+a) | Apply when psyllids are present for knockback control with anti-feeding. Products with longer residuals are preferred for controlling psyllids that slowly migrate into potatoes. Torac can control all life stages, but it may not always reach nymphs on the underside of leaves. | |
| sulfoxaflor (Transform WG) | 2.0-2.25 oz | 8.5oz | 24 h | 7 d | 4C | E (n+a) | Early-to-mid season application will cover many incoming, migrating pests, including psyllids. Translaminar so it should get to the nymphs on the underside of leaves. Watch the Contour Maps in the Potato DAS every week to monitor regional potato psyllid population densities. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | ND | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | P | Use of pyrethroid insecticides is not recommended mid-season. If used, apply when psyllids are present. It may not control nymphs on the underside of leaves where the product is not well distributed. Monitor for subsequent pest outbreaks. | |
| Thrips | abamectin (Agri-Mek SC) | 3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | F | Not recommended as a rescue treatment for thrips, but it can help to suppress thrips populations. |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply before thrips are present in large numbers. Organic | |
| spinosad (Blackhawk) | 2.25-3.5 oz | 14.4oz | 4 h | 7 d | 5 | E | An adjuvant added to spray solution may improve thrips control. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | E | ||
| spinosad (Entrust SC Naturalyte Insect Control) | 21pt | 4 h | 7 d | 5 | G | Organic | ||
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | Kills thrips on contact for knockback control. It may also knockback some beneficial, predatory insects. Apply when thrips are active. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | F | Minecto Pro is not recommended as a rescue treatment for thrips, but it can help to suppress thrips populations. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | F | Movento HL can suppress thrips larvae, but it is not recommended as a rescue treatment. | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Don’t wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | E | ||
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G | Apply when thrips are present for knockback control. | |
| Two-spotted Spider Mite | bifenazate (Acramite 4SC) | 16 to 24 fl oz | 48fl oz | 12 h | 14 d | 20 | E-G | Apply when spider mites are present. |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | G-F | Apply when mites are first detected. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply when spider mites first appear. Organic | |
| proparagite (Comite) | 32 to 40 fl oz | 80fl oz | 2 d | 14 d | 12C | G | Apply when spider mites are present. Comite has a REI of 2 days, which is long compared to other miticides. | |
| abamectin + cyantraniprole (Minecto Pro) | 5.5 to 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | G-F | Apply when mites first appear. Repeat the application after 7+ days if needed to maintain control. | |
| fenpyroximate (Miteus) | 2 pt | 4pt | 12 h | 7 d | 21A | E | Apply before mite populations begin to build. Controls all life stages, also stops feeding and egg laying. | |
| spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | F | Movento HL is not recommended as a rescue treatment for spider mites, but it may delay or prevent mite outbreaks when it’s applied to control other pests. Do not apply after Oberon (another Group 23) unless an application of an insecticide with a different mode of action is used first. | |
| spiromesifen (Oberon 4SC) | 4-8 oz | 16oz | 12 h | 7 d | 23 | E-G | Apply at the first sign of mites before adult populations build up. Controls all mite stages, but juveniles are more susceptible. | |
| hexythiazox (Onager, Onager Optek) | 16 to 24 fl oz | 24oz | 12 h | 21 d | 10A | G | Apply at the first sign of mites i.e., apply early in the outbreak cycle. Controls mites via activity on eggs and immatures; it will not control adults, but they won’t lay viable eggs. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | ND | Apply when mites first appear. Organic | |
| Nematodes | ||||||||
| Nematodes (various spp.) | spirotetramat (Movento HL) | 2.0-2.5 fl oz | 5fl oz | 24 h | 7 d | 23 | P | Movento HL can suppress nematodes, but it is best used in combination with other nematode controls, like fumigant nematicides or a Vydate (oxamyl) program. |
| Root-Knot Nematodes | oxamyl (Vydate C-LV) | 2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | The first foliar treatment should have been applied at crop emergence. Follow with 2.1 pints/A when soil degree-days reach 1440 DD °F, and then 2.1 pints/A on 14-day intervals until 7 days to harvest. |
| Target | Material | Application per Acre | Max/Season | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|---|---|
| Insects & Mites | ||||||||
| Aphid | thiamethoxam (Actara) | 3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when aphids are first detected. |
| esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | F-P | Not particularly effective for aphids. | |
| acetamiprid (Assail 70WP) | 1-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when aphids are first detected. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F-P | Apply when aphids first appear. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | F-P | Apply when aphids first appear to limit spread of Potato Virus Y, or before aphids are present in large numbers if the goal is to keep aphid numbers in check and virus spread is not a concern. Organic | |
| bifenthrin + imidacloprid (Brigadier) | 3.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | E | Apply before aphid populations build. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E | Apply before populations start to build, or before a systemic aphicide treatment breaks down. Rapid feeding cessation, so it is a good choice to limit spread of Potato Virus Y. | |
| novaluron + acetamidiprid (Cormoran) | 9-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G | Apply when aphids are first detected. The novaluron in Cormoran is not very effective for aphids. | |
| dimethoate (Dimethoate 400 EC) | 0.5-1.0 pt | 2pt | 48 h | 0 d | 1B | G | It will knockback aphid populations. | |
| cyantraniliprole (Exirel) | 13.5-20.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | G | Apply before aphid populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. | |
| pymetrozine (Fulfill) | 2.75-5.5 oz | 11oz | 12 h | 14 d | 9B | E | Apply before populations start to build, or before a systemic aphicide treatment breaks down. Rapid feeding cessation, and aphids die 3-5 days later. A good choice to limit spread of Potato Virus Y. Apply 5.5 oz/A if also targeting psyllids. | |
| methomyl (Lannate LV) | 1.5 to 3.0 pt | 15pt | 48 h | 6 d | 1A | E | It will knockback aphids. Lannate LV is best used late season to knockback multiple pests. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | E-G | Apply before aphid populations build. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | G | Apply before aphid populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. The abamectin in Minecto Pro is not very effective for aphids. | |
| azadirachtin (Neemix 4.5 IGR) | 5-7 fl oz | See Labelfl oz | 4 h | 0 d | NC | F-P | Apply when aphids first appear. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | F-P | Apply when insects first appear. Don’t wait until plants are heavily infested. It may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Organic | |
| afidopyropen (Sefina) | 3 fl oz | 28fl oz | 12 h | 7 d | 9D | E | Apply at the first sign of aphids. Anti-feeding activity should limit spread of potato viruses. | |
| flupyradifurone (Sivanto 200 SL) | 7-10.5 fl oz | 28fl oz | 4 h | 7 d | 4D | E | Early-to-mid season application will cover several migrating pests. Apply before populations build. Rapid anti-feeding activity helps to limit spread of viruses, like Potato Virus Y, that spread quickly. Use the highest allowed rate when aphid pressure is high, foliage is dense, or with aerial application. | |
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G | Apply when aphids are present for knockback control with anti-feeding. | |
| sulfoxaflor (Transform WG) | 8.5oz | 24 h | 7 d | 4C | E | Apply when aphids are present. | ||
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | F-P | Apply before aphids are present in large numbers if the goal is to keep aphid numbers in check and virus spread is not a concern. Apply when aphids first appear to limit virus spread, however it may work too slowly to limit spread of Potato Virus Y, especially when winged (migratory) aphid numbers are high. Does not provide immediate mortality. Organic | |
| Colorado Potato Beetle | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | E | Apply when about 50% of the eggs have hatched larvae are small. |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | G | Apply when 50% of eggs have hatched and larvae are small. If two applications are needed, limit them to a single CPB generation. | |
| esfenvalerate (Asana XL) | 5.8 to 9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G | Apply at 50% egg hatch while larvae are small. | |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | E | Apply when about 50% of the eggs have hatched larvae are small. | |
| indoxacarb (Avaunt Insecticide) | 3.5-6 oz | 24oz | 12 h | 7 d | 22 | E-G | Apply at 50% egg hatch when larvae are small. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Apply at 30% egg hatch when larvae are very small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | G | Apply at 50% egg hatch while larvae are small. | |
| spinosad (Blackhawk) | 1.7-3.3 oz | 14.4oz | 4 h | 7 d | 5 | G | Apply when about 50% of the eggs have hatched and most larvae are small. Do not apply to consecutive generations of CPB. | |
| bifenthrin (Brigade 2EC) | 2.1-6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G | CPBs are on the label but not in the potato section. Apply at 50% egg hatch while larvae are small. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | E | Apply at 50% eggs hatch when larvae are small. | |
| ledprona (Calantha) | 12-16 fl oz | 64fl oz | 4 hr | — | 35 | E | Apply at 25% egg hatch. This product will work on all life stages (except eggs) but is most effective against small larvae (up to 1/4 inch). | |
| novaluron + acetamidiprid (Cormoran) | 6-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | E | Apply at 50% eggs hatch when larvae are small. Don’t apply to successive generations of CPB. | |
| spinetoram (Delegate WG) | 2.25-4 oz | 16oz | 4 h | 7 d | 5 | G | Apply at 50% egg hatch when larvae are small. | |
| spinosad (Entrust SC Naturalyte Insect Control) | 21pt | 4 h | 7 d | 5 | G | Apply at 30% egg hatch when larvae are very small. Organic | ||
| cyantraniliprole (Exirel) | 5-15.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E | Apply at 50% egg hatch when larvae are small. Do not apply more than once via chemigation for CPBs. | |
| cyclaniliprole (Harvanta 50SL) | 5.5-10.9 fl oz | 49.2fl oz | 4 h | 7 d | 28 | E | See Section 2(ee) Recommendation. Apply at 50% eggs hatch when larvae are small. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | G | Apply when about 50% of eggs have hatched and larvae are small for knockback control. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | G | The label doesn’t mention CPBs, but applications made to target other pests will control beetles and larvae. It will also knockback some predator insects. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | E-G | Apply at 50% eggs hatch when larvae are small. | |
| abamectin + cyantraniprole (Minecto Pro) | 5.5 to 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E | Apply at 50% egg hatch when larvae are small. Don’t apply more than twice to a generation of CPB, or within any 30-day period. | |
| zeta-cypermethrin (Mustang Maxx) | 3.2-4.0 fl oz | 24fl oz | 12 h | 1 d | 3 | G-F | Apply at 50% egg hatch while larvae are small. | |
| azadirachtin (Neemix 4.5 IGR) | 4-10 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Apply at 30% egg hatch when larvae are very small. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | F | Apply at 30% egg hatch when larvae are first instars. Don’t wait until plants are heavily infested. Don’t apply to consecutive generations of CPB. Organic | |
| spinetoram (Radiant SC) | 4.5-8 fl oz | 32fl oz | 4 h | 7 d | 5 | G | Apply at 50% egg hatch when larvae are small. | |
| novaluron (Rimon) | 6-12 fl oz | 24fl oz | 12 h | 14 d | 15 | G | Apply at 50% egg hatch when larvae are small. Use higher rates and higher spray volumes when larvae are large. | |
| flupyradifurone (Sivanto 200 SL) | 10.5-14 fl oz | 28fl oz | 4 h | 7 d | 4D | G | Apply at 50% egg hatch when larvae are small. | |
| tolfenpyrad (Torac) | 14-21 fl oz | 42fl oz | 12 h | 14 d | 21A | E | Apply when about 50% of the eggs have hatched for best results. Rapid anti-feeding activity. It controls eggs, larvae, and adults. | |
| Bacillus thuringiensis ssp. (Trident Biological Insecticide) | 3-6 qt | no maximumqt | 4 h | 0 d | 11 | ND | Apply as soon as eggs begin to hatch. Larvae stop eating within a few hours, and they die within 2-4 days. Organic | |
| chlorantraniliprole (Vantacor) | 1.2-2.5 fl oz | 5.1fl oz | 4 h | 14 d | 28 | E | Apply when about 50% of the eggs have hatched and most larvae are small. Don’t apply more than once via chemigation for CPBs. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | G-F | Apply at 50% egg hatch while larvae are small. | |
| Potato Psyllid | thiamethoxam (Actara) | 1.5-3 oz | 6oz | 12 h | 14 d | 4A | G (a) | The label does not mention potato psyllids, but applications targeting other pests can control them. Apply when adult psyllids are migrating into the field. |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | E (n+a) | Apply when psyllids are present, especially if eggs are hatching. It will control all life stages and is a good choice when eggs and nymphs are present. Translaminar, so it will control nymphs on the underside of leaves. | |
| esfenvalerate (Asana XL) | 2.9 to 5.8 fl oz | 67.2fl oz | 12 h | 7 d | 3 | G (n+a) | Apply when adult psyllids are migrating into the field. | |
| acetamiprid (Assail 70WP) | 0.6-1.7 oz | 7oz | 12 h | 7 d | 4A | G (a) | The label does not mention potato psyllids, but applications targeting other pests can control them. Apply when adult psyllids are migrating into the field. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | G (n+a) | Apply when psyllids are present. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply before psyllids colonize the field (i.e., before nymphs develop into second generation adults) to limit spread of zebra chip disease. Organic | |
| spinosad (Blackhawk) | See Label | 14.4oz | 4 h | 7 d | 5 | G (n) | Psyllids are not on the label, but applications targeting other pests may control psyllid nymphs. No adult activity. Translaminar, so it should get to the nymphs on the underside of leaves. | |
| bifenthrin (Brigade 2EC) | 2.1 to 6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G (n+a) | Apply when adult psyllids are migrating into the field. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G (n+a) | Apply when adult psyllids are migrating into the field. It should also control nymphs. | |
| flonicamid (Carbine 50 WG) | 2.0-2.8 oz | 8.4oz | 12 h | 7 d | 29 | E (n+a) | Apply when adult psyllids are migrating into the field and are depositing eggs. Rapid feeding cessation, so it is a good choice to limit zebra chip spread. Translaminar, so it will control nymphs on the underside of leaves, but not systemic. | |
| novaluron + acetamidiprid (Cormoran) | 12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G (n+a) | Apply when eggs are hatching/nymphs are present. It should control all life stages. | |
| spinetoram (Delegate WG) | 3-4 oz | 16oz | 4 h | 7 d | 5 | G (n) | Apply when psyllids have deposited eggs that are hatching. It will not control adults. | |
| dimethoate (Dimethoate 400 EC) | See Label | 2pt | 48 h | 0 d | 1B | G (a) | The label doesn’t mention psyllids, but applications made to target other pests will knockback adult psyllids. | |
| spinosad (Entrust SC Naturalyte Insect Control) | See Label | 21pt | 4 h | 7 d | 5 | G (n) | The label does not mention psyllids, but it should provide some control. Apply when psyllid nymphs are present. Translaminar, so it should control nymphs on the underside of leaves. Organic | |
| cyantraniliprole (Exirel) | 13.5-20.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E (a) | Apply before psyllid populations build. Target the adult life stage. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. | |
| pymetrozine (Fulfill) | 5.5 oz | 11oz | 12 h | 14 d | 9B | G (n+a) | Apply when adults are migrating into the field and are depositing eggs. Translaminar, so it should control nymphs on the underside of leaves, but not systemic. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | G (a) | It can knockback adult psyllid populations. | |
| methomyl (Lannate LV) | See Label | 15pt | 48 h | 6 d | 1A | E | The label doesn’t mention psyllids, but applications made to target other pests will knockback adult psyllids. Lannate LV is best used late season to knockback multiple pests. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | E-G (n+a) | Apply when adult psyllids are migrating into the field. It should also control nymphs. | |
| abamectin + cyantraniprole (Minecto Pro) | 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E (n+a) | Apply when adults are migrating into the field, especially if they are depositing eggs. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. Controls all life stages. Translaminar, so it will control nymphs on the underside of leaves. | |
| fenpyroximate (Miteus) | 2 pt | 4pt | 12 h | 7 d | 21A | E (n+a) | Apply when adults have migrated into the field and are depositing eggs. Controls all life stages, also stops feeding and egg laying. | |
| zeta-cypermethrin (Mustang Maxx) | See Label | 24fl oz | 12 h | 1 d | 3 | G (n+a) | Psyllids are on the label but not in the potato section. Apply when psyllids are migrating into the field. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| spiromesifen (Oberon 4SC) | 4-8 oz | 16oz | 12 h | 7 d | 23 | E-G (n) | Apply to control psyllid eggs and nymphs. Translaminar, so it should control nymphs on the underside of leaves. It will not control adults. | |
| hexythiazox (Onager, Onager Optek) | 16 to 24 fl oz | 24oz | 12 h | 21 d | 10A | G (n) | Apply to control psyllid eggs and nymphs. Translaminar, so it should control nymphs on the underside of leaves. It will not control adults. | |
| pyrethrins (PyGanic Crop Protection EC 5.0) | 4.5-15.61 fl oz | 150.6fl oz | 12 h | 0 d | 3A | ND | Apply when psyllids first appear. Don't wait until plants are heavily infested. Organic | |
| spinetoram (Radiant SC) | 6-8 fl oz | 32fl oz | 4 h | 7 d | 5 | G (n) | Apply when psyllids have deposited eggs that are hatching. It will not control adults. | |
| afidopyropen (Sefina) | 14 fl oz | 28fl oz | 12 h | 7 d | 9D | G (n+a) | Apply when adults are migrating into the field, especially if they are depositing eggs. Rapid anti-feeding activity will also help to limit spread of zebra chip disease. Controls all life stages. Translaminar, so it will control nymphs on the underside of leaves. | |
| tolfenpyrad (Torac) | 17-21 fl oz | 42fl oz | 12 h | 14 d | 21A | G (n+a) | Apply when psyllids are present for knockback control with anti-feeding. Torac can control all life stages. No systemic or translaminar activity, so it may not always reach nymphs on the underside of leaves. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | ND | Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | G (n+a) | Apply when psyllids are migrating into the field. | |
| Tuberworm | esfenvalerate (Asana XL) | 2.9-9.6 fl oz | 67.2fl oz | 12 h | 7 d | 3 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 7-days. Thorough coverage of foliage is essential. Use high water volumes with ground or aerial applications to ensure the product is well distributed in the foliage. |
| indoxacarb (Avaunt Insecticide) | 3-6 oz | 24oz | 12 h | 7 d | 22 | G | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 7-days. Use a MSO adjuvant to increase translaminar movement. | |
| azadirachtin (Aza-Direct) | 1-3.5 pt | no maximumpt | 4 h | 0 d | NC | F | Target PTW larvae feeding in the canopy in the weeks before vine desiccation or harvest. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| beta-cyfluthrin (Baythroid XL) | 1.6-2.8 fl oz | 16.8fl oz | 12 h | 0 d | 3 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. Baythroid XL has a 0-day PHI. | |
| bifenthrin (Brigade 2EC) | 2.1 to 6.4 fl oz | 32fl oz | 12 h | 21 d | 3 | G-F | Tuberworm is not on the label but applications targeting other pests can control them. Apply in the weeks prior to vine desiccation or harvest when larvae are feeding in the foliage. The PHI is 21-days. Thorough coverage of foliage is essential. Use high water volumes with ground or aerial applications to ensure that the product is well distributed in the foliage. Use at least 0.5 inches of water per acre for chemigation. | |
| bifenthrin + imidacloprid (Brigadier) | 4.8-6.14 fl oz | 25.6fl oz | 12 h | 21 d | 3, 4A | G | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 21-days. Minimum re-treatment interval is 7-days. | |
| novaluron + acetamidiprid (Cormoran) | 6-12 fl oz | 23fl oz | 12 h | 14 d | 15, 4A | G-F | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 14-days. | |
| spinosad (Entrust SC Naturalyte Insect Control) | See Label | 21pt | 4 h | 7 d | 5 | G | The label does not mention tuberworm, but it should provide some control. Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 7-days. A spray adjuvant (OMRI-approved emulsified crop oil or methylated crop oil plus organosilicone) may improve control. Organic | |
| cyantraniliprole (Exirel) | 7-13.5 fl oz | 61.8fl oz | 12 h | 7 d | 28 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 7-days. For best results, chemigate in 0.1-to-0.2-acre inches of water and add MSO at 12 to 16 fl. oz per acre. Foliar sprays may not provide adequate control of larvae in the mid to lower canopy. | |
| phosmet (Imidan 70-W) | 1.33 lb | 6.67lb | 5 d | 7 d | 1B | F | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest for knockback control. PHI is 7-days. Can be re-applied after 10 days. | |
| methomyl (Lannate LV) | 1.5-3.0 pt | 15pt | 48 h | 6 d | 1A | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 6-days. Expect only 5-7 days of residual activity. | |
| beta-cyfluthrin + imidacloprid (Leverage 360) | 2.8 fl oz | 12.8fl oz | 12 h | 7 d | 3, 4 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 7-days. | |
| abamectin + cyantraniprole (Minecto Pro) | 5.5 to 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 14-days. Repeat the application after 7+ days if needed to maintain control. | |
| zeta-cypermethrin (Mustang Maxx) | fl oz | 24fl oz | 12 h | 1 d | 3 | E | Tuberworm is not on the label but applications targeting other pests can control them. Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 1-day. Ground or air application to dense canopies may not provide sufficient coverage or lower leaves, use sufficient water carrier. | |
| azadirachtin (Neemix 4.5 IGR) | 7-16 fl oz | See Labelfl oz | 4 h | 0 d | NC | F | Target PTW larvae feeding in the canopy in the weeks before vine desiccation or harvest. If needed, follow-up with 2-3 applications at 7-10 day intervals. Organic | |
| novaluron (Rimon) | 6-12 fl oz | 24fl oz | 12 h | 14 d | 15 | F | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 14-days. | |
| chlorantraniliprole (Vantacor) | 1.2-2.5 fl oz | 5.1fl oz | 4 h | 14 d | 28 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 14 days. For best results, chemigate in 0.1-to-0.2-acre inches of water and add MSO at 12 to 16 fl. oz. per acre. Foliar sprays may not provide adequate control of larvae in the mid to lower canopy. | |
| lambda-cyhalothrin (Warrior II) | 1.28-1.92 fl oz | 7.68fl oz | 24 h | 7 d | 3 | E | Target PTW larvae feeding in the canopy in the weeks prior to vine desiccation or harvest. PHI is 7-days. Ground or air application to dense canopies may not provide sufficient coverage or lower leaves, use sufficient water carrier. Use only 0.1 to 0.2-inches of water with chemigation. | |
| Two-spotted Spider Mite | bifenazate (Acramite 4SC) | 16 to 24 fl oz | 48fl oz | 12 h | 14 d | 20 | E-G | Apply when spider mites are present. |
| abamectin (Agri-Mek SC) | 1.75-3.5 fl oz | 10.25fl oz | 12 h | 14 d | 6 | G-F | Apply when mites are first detected. | |
| mineral oil/petroleum distillate (BioCover MLT) | See Label | no maximumgal | 4 h | — | NC | ND | Apply when spider mites first appear. Organic | |
| proparagite (Comite) | 32 to 40 fl oz | 80fl oz | 2 d | 14 d | 12C | G | Apply when spider mites are present. Comite has a REI of 2 days, which is long compared to other miticides. | |
| abamectin + cyantraniprole (Minecto Pro) | 5.5 to 10 fl oz | 20fl oz | 12 h | 14 d | 6, 28 | G-F | Apply when mites first appear. Repeat the application after 7+ days if needed to maintain control. | |
| fenpyroximate (Miteus) | 2 pt | 4pt | 12 h | 7 d | 21A | E | Apply before mite populations begin to build. Controls all life stages, also stops feeding and egg laying. | |
| spiromesifen (Oberon 4SC) | 4-8 oz | 16oz | 12 h | 7 d | 23 | E-G | Apply at the first sign of mites before adult populations build up. Controls all mite stages, but juveniles are more susceptible. | |
| hexythiazox (Onager, Onager Optek) | 16 to 24 fl oz | 24oz | 12 h | 21 d | 10A | G | Apply at the first sign of mites i.e., apply early in the outbreak cycle. Controls mites via activity on eggs and immatures; it will not control adults, but they won’t lay viable eggs. | |
| neem oil (Trilogy) | See Label | See Label% v/v | 4 h | 0 d | NC | ND | Apply when mites first appear. Organic | |
| Nematodes | ||||||||
| Root-Knot Nematodes | oxamyl (Vydate C-LV) | 2.1 pt | 19.2pt | 48 h | 7 d | 1A | G | Foliar treatments, using 2.1 pints/A, should be applied via chemigation on 14-day intervals until 7 days to harvest. But do not exceed 19.2 pints/A total for the season. |