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Methoxychlor was applied to vegetables in small field plots at Beltsville, Md., at 1 pounds per acre in dusts and in wettable powder and emulsion sprays, and also at 3 or 3 pounds per acre in wettable-powder sprays. Residues determined at intervals appeared to justify a waiting period of only 1 day from last application to harvest, for summer and winter squash, cantaloupe, eggplant, pumpkin, peppers, tomatoes, Kohlrabi, turnip roots, and strawberries, at the present tolerance of 14 p.p.m. For okra a 1-day waiting period is needed, which would require a tolerance of 20 p.p.m., and for green onions 3 days, which would require a tolerance of 40 p.p.m.
Document Type: Research Article
Publication date: April 1, 1959
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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.