Efficacy and Persistence of Chorpyrifos, Chorpyrifos-methyl, and Lindane for Preventive and Remedial Control of the Southern Pine Beetle

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Field tests with selected insecticides for preventive and remedial control of Dendroctonus frontalis Zimmermann were conducted in 1975 and 1976. In preventive control tests, 1 and 2% chlorpyrifos (Dursban® formulation) 1 and 2% chlorpyrifos-methyl (Reldan® formulation) compared favorably with 0.5% lindane at 2 and 4 months posttreatment. At later intervals, lindane was more effective than either chlorpyrifos or chlorpyrifos-methyl.

The persistence of lindane, chlorpyrifos, and chlorpyrifos-methyl was compared to efficacy data from the preventive control studies. Results indicate that lindane dissipated from bark more rapidly than either chlorpyrifos or chlorpyrifos-methyl. As a remedial control agent, 1 and 2% chlorpyrifos compared favorably with 0.5% lindane. Selected extender-sticker adjuvants were only slightly effective in improving the persistence of chlorpyrifos and lindane on bark.

Document Type: Research Article

Publication date: October 1, 1980

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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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