19-10-2010, 09:31 AM
Introduction:
Acephate is an organophosphate foliar insecticide of moderate persistence with residual systemic activity of about 10-15 days, and its structure is sold as a soluble powder, and as emulsifiable concentrates, pressurized aerosol, It is used primarily for control of aphids, including resistant species, in vegetables (e.g. potatoes, carrots, greenhouse tomatoes, and lettuce) and in horticulture (e.g. on roses and greenhouse ornamentals). It also controls leaf miners, caterpillars, sawflies and thrips in the crops as well as turf, and forestry. By direct application to mounds, it is effective in destroying imported fire ants. Acephate emits toxic fumes of phosphorus, nitrogen, and sulfur oxides when heated to decomposition.