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蔬菜生产对农药使用的要求越来越高,必须禁用高毒高残留农药,尽量不使用中毒农药,在防治蔬菜病害方面,可供选用的低毒杀菌剂有以下一些农药。绿乳铜。可用于防治多种作物的细菌性和真菌性病害,如蔬菜的炭疽病、霜霉病、疫病、猝倒病、枯萎病等,以及生姜的姜瘟病、油菜的霜霉病、炭疽病,西瓜的疫病、炭疽病、枯萎病等。一般使用12%绿乳铜600~1000倍液喷雾或灌根。叶面喷施一般每7~10天喷1次,视病情连喷2~3次。该杀菌
Vegetable production has become increasingly demanding on the use of pesticides. Highly toxic and highly residual pesticides must be banned, and toxic pesticides should not be used as far as possible. In the prevention and treatment of vegetable diseases, there are some pesticides available for selection as low toxicity germicides. Green milk copper. It can be used for controlling bacterial and fungal diseases of various crops such as anthracnose, downy mildew, epidemic disease, damping-off disease and blight of vegetables, as well as ginger blast of ginger, downy mildew of rape, anthracnose, watermelon Blight, anthracnose, blight and so on. Generally use 12% green milk copper 600 ~ 1000 times spray or irrigation root. Spray foliar spray generally every 7 to 10 days, depending on the condition even spray 2 to 3 times. The sterilization