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Ninety-eight strawberry varieties and selections were evaluated in the field from 1967 through 1969 for resist- ance to Tetranychus urticae Koch. Results for the varieties correlated closely with field experience of commercial growers: 'Shasta' and similar highly susceptible clones were highly susceptible in the tests, and 'Lassen' and similar less susceptible clones were significantly less susceptible; consistent with this, mite buildup was less on Lassen derivatives than on Shasta derivatives. Highly susceptible clones appear to be more pubescent than those that are less susceptible.
Document Type: Research Article
Publication date: February 1, 1972
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.