Codling Moth: Effects of 30 Krad of Gamma Irradiation to the Male Parent on Production and Fertility of the F1 Progeny

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Treatment of laboratory-reared adult males of Laspeyresia pomonella (L.) with 30 krad of gamma irradiation and the subsequent successful mating with unirradiated females resulted in an avg 4.2% egg hatch.

The avg number of 1st entries in apples resulting from each successful mating was 54.0 and 0.42 for the 0 and 30 krad treatments, respectively. The avg number of healthy F1 adults produced by these same crosses was 21.0 and 0.09, respectively.

When the F1 males were paired with normal females and compared with control pairings, reductions of 74.2, 50.1, and 100% were observed for mating, oviposition, and egg hatch, respectively.

Document Type: Research Article

Publication date: December 1, 1978

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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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