The Relation of the Surface Tension of Some Spray Materials to Wetting and the Quantity of Lead Arsenate Deposited

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The paper discusses the theory of wetting and spreading of sprays containing spreader materials. The spreader materials tested were powdered skim milk plus lime, flour plus lime, saponin, casein plus lime and glue. Data and charts are given showing the surface tension curves, time required to wet clean glass plates and wax coated glass plates, and the quantity of lead arsenate deposited, when the spreader materials mentioned above were used at varying concentrations. Methods of spraying and obtaining the data are given.

Document Type: Research Article

Publication date: February 1, 1930

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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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