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Suppression of Populations of Tobacco Budworms Caged with Sterile Females

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Abstract:

Field-cage releases of adult female Heliothis virescens (F.) reared on larval diets containing reserpine and irradiated as pupae with 20 krad of gamma irradiation reduced the F1 larval generation ca. 70% from that of the check when the ratio of releases was 9:1 irradiated to unirradiated. Releases of both sexes of irradiated insects at the same ratios reduced F1 larval populations ca. 39%. An additional reduction was obtained when irradiated females were released into populations of F1 moths. The fecundity of P1 and F1 moths was reduced 18 and 28%, respectively, when irradiated females were released once and 33 and 42% when they were released twice.

Document Type: Research Article

Publication date: June 1, 1974

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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