Endosulfan, Oxydemetonmethyl, and Endrin in Control of the Green Peach Aphid and Suppression of Leaf Roll in Potatoes in Eastern Washington

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Endosulfan, oxydemetonmethyl, and endrin applied in sprays at 1 lb per acre to Russet Burbank potatoes were equally effective in the control of the green peach aphid, Myzus persicae (Sulzer). The incidence of leaf roll in growing plants was reduced significantly when spray applications were continued until mid-June. Also 4 applications ending in late June reduced net necrosis in the tubers and chronic leaf roll in stocks replanted the next season.

Net necrosis was a less reliable index than chronic leaf roll for determining the effectiveness of insecticides in suppressing leaf roll. Chronic leaf roll developed in 96, 30, and 18% of plants grown from tubers that contained net necrosis, other discolorations, and no discolorations, respectively.

Document Type: Research Article

Publication date: December 1, 1966

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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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