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Evaluation of Selected Peanut Lines for Resistance to the Southern Corn Rootworm1 in the Greenhouse2

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Differential varietal reaction to injury by larvae of Diabrotica undecimpunctata howardi Barber, of 9 previously tested lines and 3 commercial cultivars of peanuts, Arachis hypogaea L., was measured at 11levels of infestation in the greenhouse. Significant differences in percent injured fruit were found between lines in immature, mature, and total fruit at the 25 and 50 larvae/basket level of infestation. High levels of injury resulted at the 100 larvae/ basket level in the 3 categories of fruit, but differences (range 30.2-49.6) in mature fruit were not significant. Differences in percent injured fruit were found between levels of infestation.

Document Type: Research Article

Publication date: February 1, 1971

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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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