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Dosage- Time Relationships Between 80:20 (CCI4:CS2) and Adult Rice Weevils, Sitophilus oryzae1

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The dosage-time relationship of 80:20 (CCl.4:CSI2 as a fumigant was estimated for the rice weevil, .Silophilus oryzae (L.), a major pest of stored grain. Bioassays were conducted for 9 exposure periods, ranging from 8 to 120hr, and the LD50 and LD90 were estimated by the probit method. The relationships between log exposure time and the LD60 and LD90 as determined separately are: LD50=95.61-S9.32 log t and LD90=124.91-51.17 Log t.

Document Type: Research Article

Publication date: August 1, 1964

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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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