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Resistance to Biotype C Greenbug in Synthetic Hexaploid Wheats Derived from Triticum tauschii

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Resistance to Biotype C Schizaphis graminum (Rondani) was identified in synthetic hexaploid wheats. Triticum tauschii (Coss.) Schmal var. strangulata and T. tauschii var. typica were sources of resistance in the synthetic hexaploid wheat tested. Resistance from typica was dommant and that from strangulata was incompletely dominant. Genes for resistance from the 2 sources may differ. Greenbug resistance from T. tauschii var. strangulata and 'Amigo' wheat (derived from rye) were controlled by different genes.

The 18 synthetic hexaploids were found to be susceptible to Erysiphe graminis DC f. sp. tritici Em. Marchal, Puccinia recondita Rob. ex Desm. f. sp. tritici Eriks, and wheat streak mosaic virus.

Document Type: Research Article

Publication date: June 1, 1980

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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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