该类除草剂用于防除麦田阔叶杂草,如藜、红蓼、刺儿菜、田旋花、向荆、马齿苋、蒲公英等。对于禾本科杂草则难于防除。目前常见的2,4—滴类除草剂有80％2,4—滴钠盐,一般每亩用量65～85克,最高用量100～130克;76％2,4—滴丁脂,一般每用量25～4.0克,最 This class of herbicides for the control of broad-leaved weeds in wheat fields, such as Chenopodiaceae, Polygonum, spines vegetables, Convolvulus, Jing, purslane, dandelion and so on. It is difficult to control gramineous weeds. At present, common 2,4-D herbicides have 80% 2,4-D sodium salt, generally 65 to 85 grams per mu, the maximum amount of 100 to 130 grams; 76% 2,4-D butyl fat, The amount of 25 ~ 4.0 grams, the most