Inherited Effects in F1 Progeny of Partially Sterile Male Phthorimaea operculella (Lepidoptera: Gelechiidae)

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Adult male Phthorimaea operculella (Zeller), were exposed to substerilizing doses of gamma irradiation: 100, 150, and 200 Gy. Inherited effects in the F1 progeny of irradiated male parents were examined. Mean developmental time and the percentage mortality of the F1, progeny, at each examined dose, were higher than that of the control group. Moreover, the sex ratio of the F1 progeny was skewed in favor of the males. Mean longevity, fecundity, and the percentage fertility of the F1 progeny were lower than those of their parents and the control group. Mating ability and the frequency of mating of F1 adults were similar to those of their partially sterile male parents and the control. The genetic basis of the F1 characteristics has been discussed. The use of substerilizing doses of irradiation could be considered as an important component in a potato tuber moth-control strategy.

Document Type: Research Article

Publication date: October 1, 1997

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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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