Persistence of Fenvalerate in Subtropical Soil

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Abstract:

The persistence of fenvalerate in subtropical soil was investigated after repeated seasonal (spring and fall) applications at the rate of 1.0 kg of Al/ha to silt loam soil during a 2.5-year period. Residues were monitored in the top 15-cm soil layer starting from the first application; monitoring continued until 1 year after the final application. Fenvalerate residues accumulated after each application in the fall but dissipated rapidly after each spring application. There was no carryover of insecticide from year to year. After 2.5 years of application, only 2% of the applied chemical was recovered. Cultivated soil retained greater quantities of fenvalerate than fallow soil. Fenvalerate residues were not absorbed by sweet potato roots or white potato tubers grown in the contaminated soil. Fenvalerate did not affect ammonification, nitrification, cation exchange capacity, or soil microbial populations when these properties of fenvalerate-contaminated soil and control soil were compared.

Document Type: Research Article

Publication date: April 1, 1983

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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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