Field Evaluation of Insecticides for the Control of Aphids on Potatoes1

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Abstract:

Field trials from 1963 to 1966 showed that UC 21149 (2- methyl-2- (methylthio) propionaldehyde O- (methylcarbamoyl) oxime) applied at planting in furrows at the rate of 16 ounces of active ingredient per acre was the most effective granular systemic insecticide for the control of the green peach aphid, Myzus persicae (Sulzer); the potato aphid, Macrosiphum euphorbiae (Thomas); and the buckthorn aphid, Aphis nasturtii Kaltenbach, on potatoes. One spray of dimethoate in mid-August was necessary for effective control of aphids in disuIfoton- and phorate-treated plots in 1963 when aphid populations were building up but not in 1966 when populations were stationary. Three sprays of oxydemetonmethyl the first at 0.24, the second at 0.48, and the third at 0.72 oz, or 3 sprays at 0.48 oz active ingredient per acre were the most effective of the insecticidal spray treatments.

Document Type: Research Article

Publication date: October 1, 1967

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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