Control of Boll Weevils Resistant to Chlorinated Hydrocarbons1

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During 1956, 1957" and 1958 15 replicated field-plot insecticide- Comparison experiments were conducted in the Robertson- Burleson County area of south-central Texas to determine the Effectiveness of various insecticides for control of boll weevils, Anthonomus grandis Boh., resistant to chlorinated hydrocarbon insecticides. Guthion® ( O,O-dimethyl S-(4oxo-3H- 1, 2, 3-benzotriazine- 3-methyl) phosphorodithioate), Sevin® (1-naphthyl methylcarbamate), and calcium arsenate dust were most effective in controlling these weevil populations. Methyl parathion and malathion effected good immediate kill of boll weevils but did not always prevent excessive weevil damage when applied at the customary 5-day interval. Chlorinated hydrocarbon materials varied considerably in relative effectiveness at the various locations but were generally the least effective of the insecticides used. All insecticides except Sevin were combined with DDT for bollworm control.

Document Type: Research Article

Publication date: April 1, 1960

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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