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Control of Insects Affecting Birdsfoot Trefoil Seed Production in Vermont1

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The results of the two years' studies on the control of insects affecting birds foot trefoil (Lotus corniculatus (L.)) seed production show that early season applications of insecticides with good residual properties result in significant increases in seed yields. The data indicate that control of the meadow spittle bug (Philaenus leucophthalmus (L.)) and several species of Miridae is necessary during the critical period of bud development and flowering. The flowering of treated plots was visibly more dense, uniform, and of shorter duration than on the check plots. This observation was confirmed by counts of umbels per stem and pods per umbel, and was considered a good criterion for measuring plant protection offered by the insecticides. The honeybee population on the test plots was considered adequate for pollination.

Document Type: Research Article

Publication date: August 1, 1958

More about this publication?
  • 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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