Inheritance of Permethrin Resistance in the Tobacco Budworm (Lepidoptera: Noctuidae)
Authors: PAYNE, GREGORY T.; BLENK, ROBERT G.; BROWN, THOMAS M.
Source: Journal of Economic Entomology, Volume 81, Number 1, February 1988 , pp. 65-73(9)
Publisher: Entomological Society of America
Abstract:Permethrin resistance in the tobacco bud worm, Heliothis virescens (F.), was inherited as a single, major, incompletely recessive, autosomal factor. In each of two parental resistant strains, back crosses to their respective hybrids demonstrated segregation. A distinct plateau in mortality from 50 to 500 µg/g larva was observed. High, stable permethrin resistance (ca. 540-fold) was observed only after out crossing to a susceptible strain and selecting for the most resistant inbred lines. The single, segregating factor observed probably conferred insensitivity of the target site in the nervous system. Evidence for the existence of this major resistance mechanism and other minor resistance factors in these H. virescens strains will be published elsewhere. These observations, coupled with the apparent lack of reproductive disadvantage among resistant individuals, suggest that stable pyrethroid resistance may develop and threaten resistance management.
Document Type: Research Article
Publication date: February 1, 1988
- 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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