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Sidedress Applications of Union Carbide UC-21149 for Control of Overwintered Boll Weevils 1,2,3

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Abstract:

Union Carbide UC-21149, 2-methyl-2- (methylthio) propionaldehyde O- (methyIcarbamoyl) oxime, applied as a sidedressing to 4 to 5-acre plots of cotton provided effec- tive control of Anthonomus grandis Boheman for several weeks. Mortality of released laboratory-reared boll weevils indicated control for 2-4 weeks; the number of punc- tured squares and adult boll weevils, sampled with a tractor-mounted insect-collecting machine, indicated control for 3-6 weeks. Two applications of 2 Ib UC-21149 per acre applied 9-10 days apart were effective for 4-5 weeks, while a single application was effective for 2-4 weeks. More bollworm, Heliothis zea (Boddie), and tobacco budworm, H. virescens (F.), and fewer beneficial insects were found in treated than in the untreated plots.

Document Type: Research Article

Publication date: June 1, 1969

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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