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Some Effects of Gamma Irradiation or the Chemosterilant, Tepa, on the Citrus Red Mite1 and Its Progeny2•3

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Abstract:

Male and female citrus red mites, panonychus citri (McGregor), were sterilized at doses of 24 and 32 kr. respectively. The viability of eggs produced by treated mites and their progeny was affected by doses of 8, 16, 24, and 32 kr. An increased dose generally produced a decrease in viable eggs, and doses ranging from 4 to 80 kr apparently induced dominant lethal mutations in the sperm. Doses of 96, 112, and 128 kr caused sperm injury or inactivation. Tepa at concentrations of 0.25 and 0.5% sterilized male citrus red mite, and doses of 0.125, 0.25, and 0.5% caused a reduction in female fecundity.

Document Type: Research Article

Publication date: February 1, 1971

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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