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Resistance in Common Bean Lines to the Potato Leafhopper1

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Abstract:

Two common bean lines were resistant to nymphal infestation while 28 were intermediate in resistance to mean nymphal attacks. Ten lines exhibited no hopperburn injury while varying in resistance to nymphal attacks indicating a tolerance in beans. Although a comparison of hopperburn ratings and nymphal infestations identify tolerant varieties, nymphal counts are the better method for evaluation of resistance. The hopperburn ratings and mean 1959-60 nymphal counts showed highly significant positive correlation coefficients. Regression coefficients indicated that 0.99 to ~.85 nymphs were associated with each hopperburn class increase of one.

Document Type: Research Article

Publication date: October 1, 1961

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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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