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Filtering by: Subject Pear -- Diseases and pests -- Control -- Oregon -- Willamette River Valley Committee Member Bruck, Denny File Format application/pdf

1. 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
Full Text:: (.). ......................................................................8 3.1. Map offield study sites in northern Wilamete Valley, Oregon (Clackamas and Marion counties

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

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

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