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By using P-32 labeled malathion, the speed of migration of malathion in the tissues of P. vulgaris L. was measured. Speed of migration was found to be very low in leaves. Malathion was taken up by the leaf tissues very rapidly, and the rate of entry of malathion into the tissue was found to satisfy Langmuir's adsorption equation. It was found also that the slow dissipation of malathion residues in the later stage (persistence stage) in this experiment was owing to the lower rate of evaporation effected by absorption of the insecticide by plant tissue.
Document Type: Research Article
Publication date: June 1, 1960
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.