Adult bollworms, Heliothis zea (Boddie), and tobacco budworms, H. virescens (F.), were confined in small field cages on terminals of field-grown cotton that had bee sprayed (high clearance sprayer) with monocrotophos, carbaryl, carbaryl + molasses, toxaphene+methyl parathion,or toxaphene + DDT either immediatecly after the treatment or 53 hours later, mortality was determined after 24 and 48 hours of each exposure. When moths were caged on the treated cotton immediately after treatment,mortality was significantly greater than in the untreated check after either 24 or 48 hours of exposure to all treatments except toxaphene + DDT. When moths were caged on the treated cotton 53 hours after treatment, mortality was significantly greater than in the untreated check after 48 hours of exposure to carbaryl + molasses, or monocrotophos. Thus, the addition of molasses to the carbaryl formulation increased kill and extended tended residual activity.
Document Type: Research Article
Publication date: December 1, 1972
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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.