Twospotted Spider Mite Resistance of Washington Strawberries

Authors: Shanks, Carl H.; Barritt, Bruce H.

Source: Journal of Economic Entomology, Volume 73, Number 3, June 1980 , pp. 419-423(5)

Publisher: Entomological Society of America

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Abstract:

Strawberry, Fragaria X ananassa Duchesne, seedlings were screened in a greenhouse for resistance to Tetranychus urticae Koch on the basis of visible leaf injury. Resistant selections were propagated and screened in the greenhouse and field for resistance a 2nd time on the basis of mite numbers. Of 40 clones evaluated, 22 supported <20% of the mite numbers found on the susceptible cultivar 'Columbia'. Mite counts made in the field substantiated the greenhouse findings. The predominant parents of the resistant selections were 'WSU 72–83M', 'Blakemore', 'WSU 1019', and 'Siletz', whose progeny supported low mite numbers in the field when compared with the cultivar 'Columbia'.

Document Type: Research Article

Publication date: June 1, 1980

More about this publication?
  • 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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