摘要
As a biological insecticide with high effect,lowtoxicity,no hazards,no residue and environ-mental protection emamectin benzoate is in-comparably effective in the control of manypests in crops.It has extremely high effective-ness on larva of Lepidoptera and a special con-trol effect especially on beet army worms anddiamond back moths.It also has relatively highefficacy for pests like homoptera,
