A Newly Recommended Fumigant, Ethyl Acetate in Combination with Carbon Tetrachloride

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Abstract:

A fumigant made by mixing 40 parts of ethyl acetate and 60 parts of carbon tetrachloride has been recommended for the fumigation of grain in grain cars when used at the rate of 40 to 50 pounds per thousand cubic feet of space (U. S. Department of Agriculture Bul1etin 1313). Experiments reported upon here with indicate that good results may fol1ow its use in very tight containers in household fumigation and in wel1 constructed covered grain bins on the farm. Fumigation of slip shuck corn during October in South Georgia proved a failure when conducted in well constructed wooden cribs in which carbon disulphid has been used succcssful1y. It would seem that the ethyl acetate-carbon tetrachloride mixture requires a tighter container than carbon disulphid and possibly a higher minimum temperature. The new mixture must be made of pure or very nearly pure chemicals since the odoriferous constituents will taint grain and flour. The new fumigant is more expensive than carbon disulphid (costing f. o. b. Baltimore, from 12 to 15 cents per pound) has not injured the viability of seeds tested and produces a gas that is non-explosive and noninflammable at ordinary temperatures.

Document Type: Research Article

Publication date: April 1, 1925

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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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