Authors: TALEKAR, NARAYAN S.; LIN, CHIH PIN

Source: Journal of Economic Entomology, Volume 87, Number 3, June 1994 , pp. 821-825(5)

Publisher: Entomological Society of America

Abstract:

In four tests conducted in summer through autumn 1987, soybean, Glycine max (L.) Merrill, accession PI 227687 was consistently less damaged than the susceptible controls by the limabean pod borer, Etiella zinckenella (Trietsche). Damage by pod borers increased with increasing trichome density on pods. Seed size was not a decisive factor in pod borer damage in the resistant accession. Limabean pod borer laid significantly fewer eggs on PI 227687 plants than on 'KS 9' plants, a susceptible commercial cultivar. Significantly fewer larvae entered the pods of PI 227687 to feed on developing seeds than in the pods of 'KS 9'. Pupation was reduced when larvae were fed on PI 227687 compared with 'KS 9'. Pupae were significantly lighter in weight and the percentage successfully emerging into adults was Significantly lower when larvae were fed on PI 227687 rather than on 'KS 9'. Oviposition nonpreference and antibiosis appeared to be the mechanisms of limabean pod borer resistance in PI 227687.

Document Type: Research article

Publication date: 1994-06-01

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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