Effect of Insecticide Placement at Planting for Control of Greenbug (Homoptera: Aphididae) on Grain Sorghum

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Investigations on effect of insecticide-placement techniques at planting for control of greenbug, Schizaphis graminum (Rondani), on grain sorghum, Sorghum bicolor (L.) Moench, were conducted in southwestern Kansas from 1983 to 1985. Granular formulations of terbufos and carbofuran were evaluated as injection, band, or modified in-furrow soil treatments. Terbufos gave excellent season-long control of greenbugs and increased grain yields in 2 out of 3 yr when injected into soil 7.6 cm below and 7.6 cm lateral to the seed furrow. Equivalent rates of terbufos applied in a band on the soil surface gave poor control during the growing season. Granular applications of carbofuran were ineffective in providing season-long control of greenbugs in alkaline soils with a pH of 7.8 regardless of placement method.

Document Type: Research Article

Publication date: April 1, 1987

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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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