Glyphosate is a non-selective,non-residual herbicide used against annual of biennial herbaceous monocotylendon,herbaceous dicotylendon and perenuial malignant weeds,such as imperater cylin-drica Beuuv,cyperus rotandus linn,etc.It is absorbed by foiage and translocated through plant and very effective on deep-roots perennial species.It is widely used in forest,rubber,mulberry,tea,fruit,sugarcane and etc.