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Field Evaluation of Fenitrothion, Permethrin, and Chlorpyrifos for Protecting White Spruce Trees from Spruce Beetle (Coleoptera: Scolytidae) Attack in Alaska

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Concentrations of 0.25 and 0.5% permethrin, 0.5 and 1% chlorpyrifos, and 1 and 2% fenitrothion provided acceptable protection for 4 months to white spruce, Picea glauca (Moench) Voss, trees from attack by spruce beetle, Dendroctonus rufipennis (Kirby). At 16 months after application, 0.25% permethrin and 2% fenitrothion still provided adequate protection. Residues from insecticides in a stream adjacent to the treatment site were insignificant from 0 days to 15 weeks after application. Movement of residues from the treated trees into the soil from rain runoff was minimal.

Document Type: Research Article

Publication date: August 1, 1984

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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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