近年来使用2,4-滴丁酯喷雾法防除麦田杂草,虽取得一定效果,但由于专用喷雾器不足,常用喷雾器具不易洗净和雾滴的飘移等原因,引起棉花、瓜类、蔬菜等敏感作物发生危害.1981年交城县使用2,4-滴丁酯喷雾,因雾滴飘移,造成相邻敏觉作物棉花受害面积50亩,造成损失5 000多元.最近几 In recent years, 2,4-D butyl ester spray method to control weeds in wheat fields, although achieved some results, but due to lack of special sprayers, commonly used spray device is not easy to wash and droplet drift and other reasons, causing cotton, melons, vegetables, etc. In 1981, the use of 2,4-D-butyl butyrate spray in Jiaocheng County caused a drop of more than 5,000 yuan in damage caused by the adjacent sensitive crop of cotton resulting from drifting droplets.