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Ten species of wheatgrasses (Agropyron) were screened in a field nursery for tolerance to feeding by a grass bug Labops hesperius Uhler. The following factors were compared between infested and noninfested plants: number of culms per plant; percentage of abnormal seed heads; seed production; seed weight; seed germination; forage production; and percentage leaf damage. Tall, slender intermediate, and pubescent wheatgrasses appeared to be somewhat tolerant to grass bug feeding at densities used in the test.
Document Type: Research Article
Publication date: December 15, 1980
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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.