Resistance in Four Oat Lines to Two Biotypes of the Greenhug

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Four lines of common oats, Avena sativa L., were tested in the greenhouse to determine their type of resistance to 2 biotypes of Schizaphis graminum (Rondani). PI 186270 showed antibiosis, nonpreference, and tolerance to biotype C, the biotype predominant in the Great Plains. CI 4888 showed antibiosis, nonpreference, and tolerance to biotype B. CI 1579 and 1580 showed antibiosis to biotypes B and C and non preference to biotype C.

Document Type: Research Article

Publication date: December 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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