Environmentally safe, broad spectrum insecticide

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Pyrethrum plant derived material or plant derived rotenone...

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514 66, 514 69, 514 74, 514557, 514558, A01N 3700, A01N 4354, A01N 4710, A01N 5700

Patent

active

049835912

ABSTRACT:
A combination of pyrethrum and fatty acid salt materials has been formulated which produces a stable, commercially useful, and environmentally safe pesticide. The specific composition comprises an aqueous solution having a pH within the range of 7.5 to 8.8; an aqueous solution comprising at least about 0.5 percent by weight of monocarboxylic acids and their alkali metal salts, where the acid mixture is at least 70% oleic acid and 6% linoleic acid; a pyrethrum extract; a solvent for the pyrethrum, which is preferably a 2-6 carbon alcohol; a trace amount of an antioxidant. The composition is effective against insects of at least the orders Homoptera, Coleoptera, Dermaptera, Hemiptera, and Lepidoptera, and against crustacea of the order Isopoda.

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Badertscher, The Effect of Soap on the Toxicity of a Pyrethrum Product Known as "Red Arrow," 24 Journal of Economic Entomology 268 Head, Composition of Pyrethrum Extract and Analysis of Pyrethrins.
Cory et al., Insecticidal Values of Pyrethrum Soaps.

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