麦草畏是美国贝尔西克化学品公司研制的苯甲酸类、激素型除草剂。其内吸作用强,对阔叶杂草有较高的杀草选择性,而药效时间长,并广泛用于小麦、玉米、谷子、高粱等作物防除杂草。我省为春小麦和出口玉米的主要产区,加谷子和高粱,种植面积达八千多万亩,超过农作物种植面积的一半 Dicamba is a benzoic acid, hormone-type herbicide developed by the United States Berserk Chemicals. Its strong internal absorption of broad-leaved weeds have a higher herbicidal selectivity, and long duration of efficacy, and is widely used in wheat, corn, millet, sorghum and other crops against weeds. In our province, the main producing areas for spring wheat and exported corn, plus millet and sorghum, have an acreage of more than 80 million mu, more than half of the area planted with crops