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一、杀虫剂5、马拉松(马拉硫磷)马拉松是一种对人、畜毒性很低的有机磷杀虫剂。纯品为无色液体,工业品为深褐色液体,具有浓厚的大蒜臭味,微溶于水,易溶于多种有机溶剂中,易水解,在水中20小时即能水解50％,遇碱或酸性物质则迅速分解失效。对人、畜安全,对蜜蜂剧毒。马拉松有5％粉剂和50％乳油两种剂型。具有触杀、胃毒和微弱的蒸熏怍用。对多种咬食性和刺吸性害虫如蚜、螨、叶蝉、飞虱、粘虫、介壳虫、食心虫、菜青虫、贮粮害虫等均有良好的防治效果,特别对叶蝉类害虫有特效,残效期约5—7天。
First, pesticides 5, marathon (malathion) Marathon is a human, animal toxicity of organic phosphorus insecticides. Pure product is a colorless liquid, dark brown liquid industrial products, with a strong smell of garlic, slightly soluble in water, soluble in a variety of organic solvents, easy to hydrolyze, 20 hours in the water that can hydrolyze 50%, the case of alkali Or acidic substances quickly decompose and fail. On people, livestock safety, poisonous bees. Marathon 5% powder and 50% EC two types of formulations. With a touch of death, stomach poisoning and weak steaming 怍 use. On a variety of biting and sucking pests such as aphids, mites, leafhoppers, planthoppers, armyworms, scale insects, heart worms, cabbage caterpillars, stored grain pests and other have a good control effect, in particular, Special effects, residual validity of about 5-7 days.