Influence of Constituents of the Cotton Plant on Feeding, Oviposition, and Development of the Boll Weevil1,2,3

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When quercetin, rutin, tannin, and gossypol were mixed in artificial adult and larval diets and fed to boll weevils, Anthonomus grandis Boheman, gossypol at 1.65 and 2.65% dry weight in the adult diet plugs caused a statistically significant increase in feeding, and levels of 1.15-2.15% significantly increased oviposition. Feeding was also increased at all other levels though not significantly beyond the base level of 0.15%. Gossypol, incorporated into larval diets in concentrations of 2.0-3.5%, significantly reduced the weight of emerging weevils, but 3.5% was required before the production of adults was significantly reduced. Quercetin did not significantly reduce feeding or oviposition. At levels of 0.1-0.6%, it increased the weight of emerging weevils, but at all other levels weight was not significantly affected. Tannin and rutin at levels of 0-1.0% did not significantly increase or decrease feeding. Tannin reduced weevil weight significantly at 0.2, 0.6, 0.8, and 1.0% levels; rutin at levels of 0.1-1.0% did not influence the weights of adult weevils at eclosion.

Document Type: Research Article

Publication date: October 1, 1967

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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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