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Use of Tobacco Budworm, Eggs and Larvae for Establishing Field Infestations on Cotton

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The following 3 methods of artificially infesting cotton, Gossypium hirsutum L., with the tobacco budworm, Heliothis virescens (F.), were tested: eggs were suspended in corn meal and distributed with a plastic dispensing device; eggs were suspended in a xanthane gum solution and distributed with a hand sprayer; and 1st-instars were suspended in corn meal and distributed with a plastic dispensing device. The criterion for all methods was the number of 10-day-old larvae recovered. Methods 2 and 3 were acceptable in establishing a desirable level of larvae on the cotton but method 3 was preferred since the use of larvae permits bypassing the egg stage which is vulnerable to environmental hazards and also reduces variability in data.

Document Type: Research Article

Publication date: June 1, 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.
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