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Methods of Evaluating the Chemotropic Response of Boll Weevils to Extracts of the Cotton Plant and Various Other Substances

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Two methods are described for testing the chemotropic response of the boll weevil, Anthonomus grandis Boheman, to various substances. In one method, solutions of pure chemicals or extracts of the cotton plant were applied to a feeding dish containing diet. In the other, plant parts were placed in a small container covered with a paraffin film to prevent contact of the test material by the insect. The behavior of the boll weevil in both assay methods is described and the applications of the methods are discussed.

A solvent extraction of cotton plant parts and the chromatography of the extract are described. By the use of the diet method, several fractions attractive to the boll weevil were found.

Document Type: Research Article

Publication date: December 1, 1963

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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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