Salsify-Aphid

Includes

Bean aphid (Aphis fabae)
Green peach aphid (Myzus persicae)
Pea aphid (Acyrthosiphon pisum)
Potato aphid (Macrosyphum euphorbiae)

Pest description, crop damage and life history

See:

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

Apply to both tops and undersides of leaves.

  • azadirachtin (neem oil)-Some formulations are OMRI-listed for organic use.
  • carbaryl
  • cyfluthrin
  • imidacloprid
  • plant-derived essential oils (clove, rosemary, peppermint, etc.) -These have some efficacy against aphids. Some formulations are OMRI-listed for organic use.
  • pyrethrins-Some formulations are OMRI-listed for organic use.
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • alpha-cypermethrin (Fastac EC) at 0.02 to 0.025 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 4 days. Do not exceed 0.075 lb ai/a per season.
  • Beauveria bassiana (Mycotrol O) at 0.25 to 1 quart/a. PHI 0 days. REI 4 hr. OMRI-listed for organic use.
  • bifenthrin (Brigade WSB) at 0.08 to 0.1 lb ai/a. PHI 21 days. REI 12 hr. Do not exceed 0.5 lb ai/a per season. Retreatment interval 7 days.
  • bifenthrin + zeta-cypermethrin (Hero) 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.
  • 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.
  • deltamethrin (Delta Gold) at 0.012 to 0.028 lb ai/a. PHI 3 days. REI 12 hr. Retreatment interval 3 days. Do not exceed 0.14 lb ai/a per season.
  • flonicamid (Beleaf 50SG) at 0.062 to 0.089 lb ai/a. PHI 3 days. REI 12 hr. Do not exceed 0.267 lb ai/a per season. Limit 3 applications. Retreatment interval 7 days.
  • flupyradifurone (Sivanto 200SL) at 0.14 to 0.16 lb ai/a PHI 7 days. REI 4 hr. Retreatment interval 10 days. Do not exceed 0.365 lb ai/a per season
  • imidacloprid (Admire Pro) at 0.16 to 0.38 lb ai/a soil or 0.43 lb ai/a foliar. PHI 7 days foliar, 21 days soil. Retreatment interval 5 days. REI 12 hr. One soil treatment per season.
  • imidacloprid (Provado, Prey) at 0.044 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.13 lb ai/a per season.
  • malathion (Gowan Malathion 8) at 1.25 lb ai/a. PHI 7 days. REI 24 hr. Retreatment interval 7 days. Limit 3 treatments 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 0.125 lb ai/a per season.
  • thiamethoxam (Platinum) at 0.078 to 0.188 lb ai/a. REI 12 hr. Do not exceed 0.188 lb ai/a per season. Soil applied.