Pesticidal formulation method of combating pests

Details Pesticidal formulation method of combating pests Pesticidal formulation method of combating pests

1994-07-12

1999-07-13

Pak, John

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Phosphorus containing other than solely as part of an...

514772, 514937, 514941, 514972, 514975, 514946, 424405, 424DIG8, A01N 5710, A01N 5726, A01N 5728, A01N 2502

Patent

active

059226986

ABSTRACT:
The invention relates to a pesticidal formulation having systemic activity and intended for application to a stem of a plant, which includes the compound methamidophos as an active ingredient, a suitable solvent for the active ingredient, and a colorant selected to impart an identifiable coloration to the formulation for a predetermined period of time related to the duration of the residual activity of the active ingredient. The solvent is preferably a non-volatile organic solvent selected for its low phytotoxicity and its low toxicity for humans, such as an aryl ethoxylate or a polyhydric alcohol. The colorant is preferably selected on the basis of its water solubility, having a limited solubility in water to be eluted gradually from the formulation over a period of time selected to coincide with the duration of the residual activity of the active ingredient. The formulation advantageously also includes an ingredient capable of screening ultra violet rays of the sun.

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The Agrochemicals Handbook, 2d ed., 1987, The Royal Socieity of Chemistry, England, p. A265/Aug. 1987.
Ware, George W., "Complete Guide to Pest Control--With and Without Chemicals," Thomson Publicatons, Fresno (CA), p. 27.
Reort by Dept. of Entomology of South Africa Citrus Exchange 1990 (Paragraph Bridging pp. 50-51).
The Merck Index, 10th ed. Merck Co., Inc. Rahway, N.J., 1983, p. 644.

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