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Expression and Inheritance of Target Site Resistance to Pyrethroids in the Tobacco Budworm, Heliothis Virescens

Tom Clarke and James A. Ottea


 
ABSTRACT

Pairs of adult tobacco budworms that were either target site-sensitive or -resistant to pyrethroids were mated in an attempt to develop a target site resistant strain of this insect. During the course of this study, assumptions regarding the genetic nature of this mechanism were examined; specifically, that target site resistance was monogenic and that the inheritance of this mechanism was recessive. Preliminary results from a limited number of crosses between adults of known phenotype suggest that one or both of these assumptions is invalid.



Reprinted from Proceedings of the 1997 Beltwide Cotton Conferences pp. 1011 - 1013
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998