Population Development of Acarus siro1 Reared at Three Temperatures Following Gamma Irradiation2

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Adults of the grain mite, Acarus siro L., were exposed 10 sub lethal doses of gamma irradiation (0-10 kR) then reared at temperatures of 5, ]5, or 25°C. The composition of the population at each temperature was counted every 8 days for 60 days, There was a negative correlation between the total mite population at 60 days and both rea1'ing temperature and irradiation. Interaction between temperature and irradiation was significant, with temperature being over 800 limes more effective than irradiation in reducing the mile population. An increase in population occurred at dose levels of 1-5 kR in the F1 or F2 generation. However, a significant detrimental long-range (F4 or more) effect resulted from the sub lethal irradiation dose of the Fp generation.

Document Type: Research Article

Publication date: February 1, 1973

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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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