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Field-plot tests were conducted in the southern High Plains with various dosages of the nuclear polyhedrosis Virus for control of Heliothis spp. in cotton. In general, better control was obtained with increase in virus dosage. At the rate of 100 larval equivalents per acre per application (1 LE = 6X109polyhedral inclusion bodies) , the seed yield with the virus was equivalent to that secured with chemical insecticide mixtures. The predominant species in these tests was the bollworm, Heliothis zea (Boddie). The tobacco budworm, H. virescens (F.), was not present in economic numbers. The results of these tests indicate that the nuclear polyhedrosis virus was effective in reducing the bollworm populations and increasing yields.
Document Type: Research Article
Publication date: June 1, 1967
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.