茶园杂草一般有300多种，其中危害茶树的主要有20多种。根据草甘膦对植物的形态选择、生理选择和生物化学选择以及被植物吸收输导的时间，这些杂草可分为三种类型：Ⅰ敏感型，如狗牙根、地毯草、马唐、牛筋草等；Ⅱ缓慢型，如小美竹、青茅、鹅规草、艾等；Ⅲ迟钝型，如白茅、鬼 Tea garden weeds generally have more than 300 kinds, of which the main harm to tea more than 20 kinds. According to the morphological, physiological and biochemical selection of glyphosate and the time it is absorbed and transported by plants, these weeds can be divided into three types: Ⅰ-sensitive species such as Bermudagrass, Carpetgrass, Crabgrass, Cattle Tendons and grass; Ⅱ slow type, such as small bamboo, green grass, goose grass, Ai, etc .; Ⅲ slow type, such as Imperatae, ghost