A New Approach to Boll Weevil Control1

Authors: BRAZZEL, J. R.; DAVICH, T. B.; HARRIS, L. D.

Source: Journal of Economic Entomology, Volume 54, Number 4, August 1961 , pp. 723-730(8)

Publisher: Entomological Society of America

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Late-season applications of insecticides were made on 525 acres of cotton in the Big Bend area of Texas during 1959 to reduce the overwintering population of boll weevils (Anthonomus grandis Boh.). Four applications of methyl parathion were applied on a 12-to 14-day schedule beginning just prior to harvest and continuing until frost killed the cotton. The program was designed to kill boll weevils before they attain a state of diapause, a physiological condition in which they survive the winter. Results indicated a substantial reduction in population of overwintering weevils in the treated area. During 1960 boll weevils were found on May 10 in the untreated check area. The first weevil damage was found in the treated fields on July 6. Some fields in the treated area were free of boll weevil damage on August 25. The delay of buildup of the boll weevil population appears to be great enough to delay the start of the control program sufficiently to effect substantial savings on the insect control program. The program offers some promise as a tool in boll weevil eradication.

Document Type: Research Article

Publication date: August 1, 1961

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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