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SURVIVAL AND REPRODUCTIVE CAPACITY OF THE TOBACCO BUDWORM, HELIOTHIS VIRESCENS (LEPIDOPTERA: NOCTUIDAE), IRRADIATED AS DIAPAUSING AND YOUNG NONDIAPAUSING PUPAE1

Published online by Cambridge University Press:  31 May 2012

F. I. Proshold  and
D. T. North
F. I. Proshold
Affiliation:
Metabolism and Radiation Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Fargo, North Dakota 58102
D. T. North
Affiliation:
Metabolism and Radiation Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Fargo, North Dakota 58102
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Abstract

Pupal survival, mating, and sperm transfer in tobacco budworms, Heliothis virescens (F.), irradiated as diapause pupae, decreased proportionately with increasing doses of 3, 5, and 7.5 krad. Also, the fertility of tobacco budworms irradiated as nondiapause pupae and of the F1 progeny of such males decreased with increasing dose. When the female partner received eupyrene sperm, insects irradiated while the pupae were in diapause were fertile as were their progeny. Therefore, it does not appear plausible to irradiate diapause pupae of our strain of tobacco budworms to obtain sterile insects for a release program.

Type
Articles
Information
The Canadian Entomologist , Volume 110 , Issue 6 , 01 June 1978 , pp. 575 - 581
Copyright
Copyright © Entomological Society of Canada 1978

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