Resistance of Pea Introductions to the Pea Weevil

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Abstract:

A collection of 1571 Pisum introductions was screened for resistance to Bruchus pisorum (L.) in field trials by using percentages of infested pods and seeds as the primary evaluation criteria. These criteria permitted excellent differentiation of pea weevil resistant and susceptible pea cultivars and introductions. Entries with 4% or less infested seeds in 1972 and 1974 field trials were plant introduction (P.I.) nos. 196027, 244241, 244254, 244263, 263026, and 280612. Non preference for oviposition was judged the major mechanism contributing to resistance. Peduncle lengths of resistant introductions were significantly shorter than those of susceptible cultivars and were highly correlated with lower percentages of infested pods and seeds.

Document Type: Research Article

Publication date: February 1, 1977

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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