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Filtering by: Date issued sim 2006-05-26 Subject Brassica -- Diseases and pests -- Oregon -- Willamette River Valley

Phenology and monitoring of the cabbage maggot, Delia radicum (L.), in brassica root crops

Creator:

Dreves, Amy J.

Abstract:

In Oregon’s northern Willamette Valley, cabbage maggot (CM), Delia radicum (L.) (Diptera: Anthomyiidae) often renders Brassica root crops unmarketable. Scheduled insecticides are the only current control. Studies were conducted to: 1) describe and characterize spring emergence of CM flies and their seasonal flight activity relative to degree-day (DD) accumulations; 2)...

Resource Type:

Dissertation