Mechanisms of Contamination of Alfalfa with Heptachlor and Heptachlor Epoxide1

Authors: BYRNE, DESMOND H.; STEINHAUER, A. L.

Source: Journal of Economic Entomology, Volume 59, Number 2, April 1966 , pp. 338-341(4)

Publisher: Entomological Society of America

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Abstract:

Alfalfa grown in soil treated with I and 4 pounds per acre of heptachlor and heptachlor epoxide in glazed earthenware crocks showed evidence of very limited translocation of heptachlor epoxide; it appears that heptachlor itself is not translocated. Contamination of foliage by volatilization of heptachlor does not appear to be a factor of any importance in connection with buildup of residues on the aerial parts of the plant. In a field experiment the levels of both heptachlor and heptachlor epoxide detected in harvested alfalfa indicate some major means of contamination other than translocation. Weather during harvesting and method of harvesting appear to be important factors in the contamination of aerial plant parts with insecticide on the aerial parts of the plant. In a field experiment the levels of both heptachlor and heptachlor epoxide detected in harvested alfalfa indicate some major means of contamination other than translocation. Weather during harvesting and method of harvesting appear to be important factors in the contamination of aerial plant parts with insecticide.

Document Type: Research Article

Publication date: April 1, 1966

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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