Lygus Spp.: Damage to Beans by Reducing Yields, Seed Pitting, and Control by Varietal Resistance and Chemical Sprays

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Feeding damage by Lygus hesperus Knight, L. elisus Van Duzee, L. lineolaris (Palisot de Beauvois), and L. disertus Knight to beans in Washington reduced yield and caused pitting or scarring of the bean seed.

Amount of damage varied between varieties of beans and year of tests probably because of climatic conditions. Control of Lygus on beans was effective for several weeks after treatment with dimethoate and ethion. Trichlorfon and ULV malathion also gave control, but both had relatively shorter periods of effectiveness.

Document Type: Research Article

Publication date: August 1, 1978

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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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