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New Crop Rotation Recommendations for Swede Midge

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Show full item recordAuthor
Hoepting, Christy; Vande Brake, Sarah
Abstract
Swede midge (Contarinia nasturtii) is an invasive insect that can seriously damage plants in the family Brassicaceae, which includes broccoli, cauliflower, cabbage, kohlrabi, and kale. Larval feeding on brassica crops results in distorted plant growth, corky scarring, and/or blind heads, which can reduce marketable yield and quality (Fig. 1). Swede midge control is challenging on small-scale and organic farms, where season-long production of brassica crops in close proximity is common. This continuous supply of host plants allows swede midge populations to explode. Research shows that economic damage to crops can be avoided by “crashing” the swede midge population. New crop rotation recommendations provide a feasible population management strategy for some small farms.
Description
NYS IPM Type: Vegetables IPM Fact Sheet
Date Issued
2020Publisher
New York State Integrated Pest Management Program
Subject
Agricultural IPM; Vegetables; Cole Crops
Type
fact sheet
Accessibility Feature
alternative text; captions; reading order; structural navigation; tagged PDF
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none