Derris as a Toxic Supplement to Oil Emulsions for the Control of Purple Scale
Author: ENGLISH, L. L.
Source: Journal of Economic Entomology, Volume 32, Number 4, August 1939 , pp. 587-595(9)
Publisher: Entomological Society of America
Abstract:Since oil sprays do not possess a high degree of true toxicity to scale insects but are dependent on the physical properties of a persistent oil film for their effectiveness, investigators have endeavored for a number of years to incorporate constituents into oil sprays that would increase their toxicity.
Document Type: Research Article
Publication date: August 1, 1939
- 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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