Rutabaga and turnip seed-Aphid

Cabbage aphid (Brevicoryne brassicae)
Turnip aphid (Hyadaphis pseudobrassicae)

Pest description and crop damage Both species are gray mealy plant lice that form colonies on foliage.

Management-chemical control

  • pymetrozine (Fulfill) at 2.75 oz/a (0.086 lb ai/a). PHI 14 days. REI 12 hr. This insecticide works primarily by ingestion, but also has some contact activity. Aphids stop feeding shortly after exposure, but may remain on the plant foliage until they die, which is usually within 2-7 days. This product has residual activity in the plant. Do not exceed 5.5 oz/a (0.17 lb ai/a) per season. The addition of a penetrating type spray adjuvant is recommended. Do not apply through any type of irrigation system. Allow at least 7 days between applications. Fulfill is toxic to bees exposed to direct application. Application to blooming crops must be between late evening and early morning to coincide with minimal bee activity. No portion of treated plants can be used for food or feed. 24c SLN: OR-180013 (expires 12/31/23), WA-000017 (expires 12/31/20). Oregon and Washington only.

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