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By Est Acres


Methyl parathion is an organophosphate insecticide and acaricide used to control many biting or sucking insect pests of agricultural crops. Methyl parathion kills insects by contact, stomach and respiratory action. All formulations of methyl parathion registered for use in Washington State are classified as federal Restricted Use Pesticides (RUPs). RUPs may be purchased and used only by certified applicators. Methyl parathion is available in dust, emulsifiable concentrate, ultra-low volume (ULV) liquid, and wettable powder formulations. Methyl parathion is classified toxicity category I. Products containing methyl parathion must bear the signal word, “Danger. ” It is very toxic to humans, wildlife and aquatic organisms. Methyl parathion belongs to the organophosphate chemical class. Major crop uses in Washington State, listed alphabetically, are as follows

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Year: 2013
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