Genetic Analysis of Methidathion Resistance in Phytoseiulus persimilis (Acari: Phytoseiidae)


Source: Journal of Economic Entomology, Volume 81, Number 4, August 1988 , pp. 1008-1013(6)

Publisher: Entomological Society of America

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Methidathion resistance in Phytoseiulus persimiliswas polyfactorially inherited. Twenty sub strains isolated from single pairs of susceptible mites and reared without selection showed a lower or a greater resistance level than the parent strain, and 10 other sub strains selected during seven generations displayed a significant increase in resistance. A direct selection for susceptibility of either susceptible or resistant strains was not possible. The nature of the genetic mechanism responsible for mediation resistance in P. persimilis is discussed, and the probable involvement of amplification of resistance genes is suggested.

Document Type: Research Article

Publication date: August 1, 1988

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  • 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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