拉索是旱田除草剂,对禾本科杂草有特效,在较低的剂量下能杀死稗草、马唐、狗尾和谷莠子等杂草,对多年生杂草无效.可用于玉米、大豆、花生、棉花、马铃薯及多种蔬菜田除草.拉索在土壤中的残效期1～2个月,不影响下茬作物,喂养鸡、羊、牛,对家畜生长发育无不良影响. Cordyceps is a weed herbicide which has special effects on grass weeds, and can kill weeds such as barnyardgrass, crabgrass, dog tail and kelp at lower doses, which are not effective on perennial weeds. It can be used in corn, Soybeans, peanuts, cotton, potatoes and various vegetable fields.The residue of the cable in the soil has a residual effect of 1 to 2 months without affecting the next crop and feeding chickens, sheep and cattle without adverse effects on the growth and development of livestock.