蚜虫是多寄主害虫,为害百余种植物,而且繁殖很快。近年来,农五师园林队利用蓖麻叶、秆、渣的浸出液进行防治,经在果树、林带、蔬菜等作物上试用,杀虫效果达95％以上。其具体方法是:干蓖麻叶或者 Aphids are multi-host pests that harm more than a hundred species of plants and reproduce quickly. In recent years, the five agricultural division garden team use castor leaves, straw, residue leaching solution for prevention and treatment, after the fruit trees, forest, vegetables and other crops on trial, insecticidal effect of more than 95%. The specific method is: dry castor leaves or