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防治蚜虫除用菊酯类和有机磷类化学农药外,采用一些自制的土农药,效果也很好。据介绍,运用下面方法配制的土农药,对除灭蚜虫效果显著。大蒜秆0.5公斤,烟叶梗1公斤,苦楝树叶5公斤,水25公斤,同时放入锅内(蒜秆、烟梗、树叶以切碎、捣烂为好),慢人熬30—50分钟,冷却去渣后即成原液。使用时每公斤原液对水5—7公斤,进行大田喷雾,每亩用70—100公斤,可以防治粮、棉、果、菜上的各种蚜虫。
In addition to the control of aphids with pyrethrins and organic phosphorus chemical pesticides, the use of some home-made soil pesticides, the effect is also very good. According to reports, the use of the following method of preparation of soil pesticides, eliminate aphids significant effect. Garlic stalks 0.5 kg, tobacco stem 1 kg, neem leaves 5 kg, 25 kg of water, at the same time into the pot (garlic stalks, tobacco stems, leaves to chopped, smashed as well), slow people boil 30-50 minutes, Cooling to the residue after the original solution. When used per kilogram of liquid water 5-7 kg, field spray, with 70-100 kg per mu, you can prevent food, cotton, fruit, vegetables on a variety of aphids.