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灭幼脲是生物制剂农药,用25%胶悬剂灭幼脲3号500倍液喷洒,一周后调查,防治菜青虫效果达89.3%;菜叶蜂幼虫的效果达93.1%。该药对人体无毒,使用安全,是生产无公害蔬菜理想的农药,值得推广.
Chlorbenzuron is a biocide pesticide. It is sprayed with 25% of the suspending agent of diflubenzuron 3 500 times. After one week of investigation, the effect of preventing and curing cabbage beetle is 89.3%. The effect of the parasitoid larvae reaches 93.1%. The drug is non-toxic to the human body and safe to use. It is an ideal pesticide for producing pollution-free vegetables and is worth popularizing.