Rates of Absorption and Translocation of Some Systemic Insecticides in Broccoli Determined by Mortality of Feeding Green Peach Aphid1,2

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The rate of absorption and translocation of emulsifiable formulations of demeton, dimethioate, disulfoton, phorate, mevinphos, phosphamidon, schradan, and American Cyanamid 12008 (O,O-diethyl S-[ (isopropylthio) methyl] phos-phorodithioate) through the roots of broccoli plants was determined on the basis of the mortality of wingless Myzus persicae(Sulzer) feeding, on the leaves 24, 48, and 72 hours post treatment. Demeton was absorbed and metabolized to highly toxic metabolites more rapidly than the other compounds. All the insecticides except mevinphos were more active at 23.9° than at 15.6°C.

Document Type: Research Article

Publication date: June 1, 1970

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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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