Promote the use of low-residue pesticides in orchards to ensure the production of pollution-free fruits.
Acephate is also known as insecticidal, all-purpose phosphorus, high-killing, polyphosphorus, amide phosphorus and the like.
1. Formulation type: acephate 30%, acephate 40% emulsifiable concentrate, acephate phosphorus 25% wettable powder, acephate 5% powder.
2, preparation toxicity: the agent is low toxicity to humans and animals, low toxicity to fish, aquatic animals, poultry and birds, and safe to fruit trees.
3. Characteristics: (1) Acephate is a systemic organophosphate insecticide. It has the characteristics of broad spectrum, low toxicity and slow effect. (2) Acephate is mainly caused by contact and stomach toxicity, and has a certain fumigant effect, and is a slow-acting insecticide . The insecticidal mechanism inhibits cholinesterase activity and causes the pest to die. (3) Acephate has a broad spectrum of insecticidal action and has an ovicidal effect. (4) Acephate is resistant to rain, and the residual effect period is 10 to 15 days; the drug effect is slow, and the insecticidal effect is remarkable in 2-3 days after the drug.
4, control objects: apple trees, pear trees to control peach small heartworm, pear small heartworm, aphids, leafhoppers and cocoon moths, leafhoppers, ruler, leaf roller moth and other pests.
5, application technology: prevention of apple, pear tree pests.
(1) Apple, pear and other fruit trees of the peach heartworm and pear small heartworm, medicine to prevent adult eggs at the peak or egg rate of 0.5% to 1% is appropriate, with 30% acephate emulsifiable concentrate 800 ~ 1000 Double liquid spray control.
(2) Aphids, spider mites and other pests of apples, pears and other fruit trees are controlled with 30% acephate emulsifiable concentrate 1000-1500 times.
(3) Pests such as spider mites, cocoon moths, spider mites, scallops, and leaf-rolling moths of apples, pears, etc., according to the Chinese pesticide network , in the period of pest occurrence, use 30% acephate emulsifiable concentrate 1000-1500 times liquid, crown Spray control.
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