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FERTILITY AND SURVIVAL OF TOBACCO BUDWORMS, HELIOTHIS VIRESCENS (LEPIDOPTERA: NOCTUIDAE), FROM GAMMA-IRRADIATED FEMALES1

Published online by Cambridge University Press:  31 May 2012

F. I. Proshold  and
J. A. Bartell
F. I. Proshold
Affiliation:
Metabolism and Radiation Research Laboratory, Agricullural Research Service, U.S. Department of Agriculture, Fargo, North Dakota
J. A. Bartell
Affiliation:
Metabolism and Radiation Research Laboratory, Agricullural Research Service, U.S. Department of Agriculture, Fargo, North Dakota
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Abstract

Female Heliothis virescens (F.) were irradiated with 7.5, 15.0, 22.5, or 30.0 krad of γ-rays and crossed with untreated males. Then the survival and fertility of the F1 insects from these crosses and the survival of the F2 descendants were studied. The F1 survival showed a dose-dependent reduction with increasing dose, but F2 survival was normal. Likewise, we found near-normal fertility in progeny from irradiated females, regardless of dose.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 3 , March 1973 , pp. 377 - 382
Copyright
Copyright © Entomological Society of Canada 1973

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