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Some Effects of Gamma Radiation and Apholate on the Fertility of Drosophila melanogaster1

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Untreated female Drosophila melanogaster Meigen mated to irradiated or apholate-fed males produced about the same number of eggs as females of untreated pairs. Most of the eggs laid by females mated to irradiated or apholate-treated males were nonviable. None of the eggs laid by 9 virgin females, 3 each mated 1-, 5-, or 10-days after treatment to a sterilized male, produced adult flies. Irradiated or apholate-fed females laid fewer eggs, most of which were not viable, than females of untreated pairs.

The age of males or females when treated appeared to have little effect 0n results obtained after radiation exposure. Apholale appeared to induce a higher degree of sterility when males or females were older at the time of treatment.

When females producing fertile eggs were mated to irradiated. (16 kr) males, adult emergence was markedly reduced. Females mated first to irradiated (16 kr) males produced nonviable eggs. Subsequent mating with untreated males resulted in the production of fertile eggs.

Document Type: Research Article

Publication date: June 1, 1967

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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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