Protection of Stored Wheat from the Granary Weevil by Vegetable Oils

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Vegetable oils (cottonseed, soybean, maize, and peanut) were used to suppress Sitophilus granarius (L.) in wheat grain. Insect progeny production decreased significantly at a 5-ml/kg dosage. At the 10-ml/kg level, complete control was achieved which lasted at least 60 days. These oils also repelled granary weevil adults. There was no obvious effect of the oil treatment on water absorption by the wheat seeds, but 5- or 10-ml/kg dosages reduced seed germination.

Document Type: Research Article

Publication date: October 1, 1981

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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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