Aza-Direct works via contact and ingestion. It has repellant and anti-feeding activity, and it interferes with molting. Does not kill adults. Make 2-3 applications every 7-10 days. Complete spray coverage is important. Spray mix pH should be 5 to 7, adjust if needed using an OMRI-approved buffering agent. Don’t combine with alkaline products or chemigate with irrigation water > pH 7. Similar products with azadirachtin are available but use rates vary.
Organic
Material Type:
Insecticides and Repellents
Signal Word:
Caution
Formulation:
Liquid
EPA Number:
71908-1-10163
Usage for azadirachtin on Potatoes
Max Application per Season: no maximumpt
Emergence to Row Closure
| Target | Application per Acre | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|
| Aphid | 1-3.5 pt | 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 |
| Armyworms, Cutworms, Loopers | 1-3.5 pt | 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 |
| Beet Leafhopper | 1-3.5 pt | 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 |
| Colorado Potato Beetle | 1-3.5 pt | 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 |
| Lygus Bugs | 1-3.5 pt | 4 h | 0 d | NC | ND |
Apply when nymphs are present. Organic |
| Potato Psyllid | 1-3.5 pt | 4 h | 0 d | NC | F |
Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic |
Tuber Bulking
| Target | Application per Acre | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|
| Aphid | 1-3.5 pt | 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 |
| Armyworms, Cutworms, Loopers | 1-3.5 pt | 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 |
| Colorado Potato Beetle | 1-3.5 pt | 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 |
| Lygus Bugs | 1-3.5 pt | 4 h | 0 d | NC | ND |
Apply when nymphs are present. Organic |
| Potato Psyllid | 1-3.5 pt | 4 h | 0 d | NC | F |
Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic |
Late Tuber Bulking to Harvest
| Target | Application per Acre | REI | PHI | MOA | Eff. | Notes |
|---|---|---|---|---|---|---|
| Aphid | 1-3.5 pt | 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 |
| Colorado Potato Beetle | 1-3.5 pt | 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 |
| Potato Psyllid | 1-3.5 pt | 4 h | 0 d | NC | F |
Apply when adults psyllids are depositing eggs and/or when nymphs are present. Organic |
| Tuberworm | 1-3.5 pt | 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 |