Includes green peach aphid (Myzus persicae)
Pest description, crop damage and life history
See
Common Pests of Vegetable Crops
Management-cultural control
Aphid populations tend to be higher in plants that are fertilized liberally with nitrogen.
Home gardeners can use row covers or wash aphids from plants with a strong stream of water.
Management-chemical control: HOME USE
- acetamiprid
- azadirachtin (neem oil)-Some formulations are OMRI-listed for organic use.
- bifenthrin
- carbaryl
- cyfluthrin
- imidacloprid
- kaolin-Applied as a spray to foliage and stems it acts as a repellent to some insect pests. Some formulations are OMRI-listed for organic use.
- malathion
- permethrin
- plant-derived essential oils (rosemary, peppermint etc.)-Some formulations are OMRI-listed for organic use.
- pyrethrins-Some formulations are OMRI-listed for organic use.
- zeta-cypermethrin
Management-chemical control: COMMERCIAL USE
- acetamiprid (Assail 30SG) at 0.038 to 0.075 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Limit 5 treatments per year. Do not exceed 0.375 lb ai/a per season.
- alpha-cypermethrin (Fastac EC) at 0.014 to 0.025 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.075 lb ai/a per season.
- azadirachtin (Neemix 4.5) at 0.18 to 0.25 lb ai/a. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
- beta-cyfluthrin/imidacloprid (Leverage 360) at 0.07 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.1 lb ai/a beta-cyfluthrin or 0.2 lb ai/a imidacloprid per season.
- bifenthrin (Brigade 2EC) at o.08 to 0.1 lb ai/a. PHI 21 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.5 lb ai/a per season. Turnip-rooted parsley only.
- bifenthrin/zeta-cypermethrin (Hero EW) at 0.04 to 0.1 lb ai/a. PHI 21 days. REI 12 hr. Retreatment interval 21 days. Do not exceed 0.45 lb ai/a per season. Limit 4 treatments. Turnip-rooted parsley only.
- Chenopodium ambrosioides extract (Requiem 25EC) at 2 to 3 quarts formulated product per acre. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
- chlorantraniliprole/thiamethoxam (Voliam Flexi) at 0.1 to 0.172 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.172 lb ai of thiamethoxam or 0.2 lb ai of chlorantraniliprole per acre per growing season.
- Chromobacterium subtsugae (Grandevo) at 0.6 to 0.9 lb ai/a per 100 gal. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
- clothianidin (Belay) at 0.05 to 0.067 lb ai/a foliar and 0.15 to 0.2 lb ai/a at plant. PHI 7 foliar, 21 days at plant. REI 12 hr. Retreatment interval 10 days. Do not exceed 0.2 lb ai/a per season.
- cyantraniliprole (Exirel) at 0.088 to 0.133 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.4 lb ai/a per year.
- dinotefuran (Scorpion 35SL) at 0.05 to 0.13 lb ai/a foliar or 0.23 to 0.27 lb ai/a soil. PHI 7 days foliar and 21 day for soil. REI 12 hr. Do not exceed 0.266 lb ai/a foliar or 0.532 lb ai/a soil.
- flonicamid (Beleaf 50SG) at 0.062 to 0.089 lb ai/a. PHI 0 days. REI 12 hr. Do not exceed 0.267 lb ai/a or three applications per season. Retreatment interval 7 days.
- imidacloprid (Admire Pro) at 0.25 to 0.38 lb ai/a soil and 0.043 lb ai/a foliar. PHI 21 days soil; 7 days foliar. Retreatment interval 5 days. REI 12 hr. Do not exceed 0.38 lb ai/a soil or 0.13 lb ai/a foliar per season.
- imidacloprid (Provado, Prey) at 0.048 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.23 lb ai/a per season.
- insecticidal soap (M-Pede) at 1 to 2% solution. Potassium salts of fatty acids. See label for gal/a. PHI 0 days. REI 12 hr. Some formulations are OMRI-listed for organic use.
- Isaria fumosorosea (PFR-97 20% WDG)-Most effective when application is initiated just before or at the first signs that target pests are present. OMRI-listed for organic use.
- malathion (Malathion 8) at 1.5 lb ai/a. PHI 7 days. REI 24 hr. Limit 2 treatments per year. Retreatment interval 7 days.
- pymetrozine (Fulfill) at 0.086 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.172 lb ai/a per season. A penetrating adjuvant improves performance.
- pyrifluquinazon (PQZ Insecticide) at 0.035 to 0.047 lb ai/a. PHI 1 day. REI 12 hr. Limit 6 treatments. Retreatment interval 7 days. Do not exceed 0.21 lb ai/a per year. Apply by ground equipment.
- spirotetramat (Movento) at 0.06 to 0.08 lb ai/a. PHI 3 days. REI 24 hr. Retreatment interval 7 days. Do not exceed 0.16 lb ai/a per crop season.
- sulfoxaflor (Closer SC) at 0.023 to 0.031 lb ai/a. PHI 3 days. REI 12 hr. Retreatment interval 7 days. Limit 4 treatments. Do not exceed 0.266 lb ai/a per year.
- thiamethoxam (Actara) at 0.023 to 0.047 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.172 lb ai/a per season.
- thiamethoxam (Platinum) at 0.078 to 0.172 lb ai/a. PHI 30 days. REI 12 hr. Do not exceed 0.172 lb ai/a per season. Apply to the soil as in-furrow spray, band application, drench, shanked or with irrigation.
- tolfenpyrad (Torac) at 0.17 to 0.21 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 14 days. Limit 4 treatments per year. Do not exceed 0.42 lb ai/a per year.
- zeta-cypermethrin (Mustang) at 0.028 to 0.05 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not graze or cut for feed. Do not exceed 0.3 lb ai/a per season.