Chemical Control of Hylemya brassicae in the Pacific Northwest1

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Strains of cabbage maggot (Hylemya brassicae (Boucle)) highly resistant to chlorinated hydrocarbon and organic phosphate insecticides appeared in certain areas of the Pacific Northwest. Thirty-three compounds were tested as granules or drenches applied at planting time with cruciferous crops. All were ineffective except Zinophos (O,O-diethyl O-2-pyrazinyl phosphorothioate) which gave outstanding control. LD-50 tests demonstrated that the adults were highly resistant to chlorinated hydrocarbons but still susceptible to organic phosphates. A drench of Zinophos or GuthionĀ® ( O,O-dimethyl S.(4-oxo-1,2,3- benzotrazin-3-(4H)-ylmethyl) phosphorodithoate) applied to transplants of cauliflower or cabbage provided excellent control against cabbage maggot attacks.

Document Type: Research Article

Publication date: February 1, 1962

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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