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Resistance of Brassica Lines to the Diamondback Moth (Lepidoptera: Yponomeutidae) in the Field, and Inheritance of Resistance

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Selected lines and cultivars of crucifers were evaluated in the field for resistance to the diamondback moth, Plutella xylostella (L.). Larvae failed to develop on dark green, glossy foliage of PI cauliflower 234599 grown in the field, and cabbage inbred lines G 8329, G 9660, and G 9639, although the glossy type was preferred for oviposition. Alteration of waxy material on leaf surfaces of two normal, light green commercial cultivars changed the leaf color to dark green and significantly (P <0.05) increased oviposition greenhouse experiments. Inheritance studies in the field using one population each of cauliflower and cabbage indicated that the type of resistance exhibited by the darkgreen, glossy foliage used in these experiments was heritable with broad sense heritabilities of 0.75 and 0.88 for cauliflower and cabbage, respectively.

Document Type: Research Article

Publication date: October 1, 1984

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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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