百草敌是美国贝尔西可化学公司研制的安息香酸系,激素型内吸性除草剂。杀草机理是:阻碍杂草激素的正常活动,抑制杂草的正常生长发育,从而杂草停止生长直至枯死。作用方式是:当百草敌喷在杂草上被杂草的茎、叶和根部吸收后,百草敌存杂草体内上下移动,药力遍布杂草 Paraquat is the enemy of the United States Beier Xi chemical company developed benzoic acid, hormone-type internal absorption of herbicides. Grass-killing mechanism is: obstruct the normal activities of weed hormones, inhibit the normal growth and development of weeds, and weeds stop growing until they die. The mode of action is that when the herbicide is sprayed on weeds by the stems, leaves and roots of weeds, the weeds in the herbaceous plants move up and down in the weeds and the weeds are spread throughout the weeds