异丙净(商品名Cotofor)是近年从国外引进的一种除草剂,主要用于棉田除草。作者自1986年以来,用异丙净进行了防除麦田杂草方面的试验。结果表明,异丙净杀草谱广,持效期长,用于撒播麦田除草明显优于绿麦隆。亩用药量宜掌握在有效成分50～60克,可在播后苗前或麦苗二叶一心期施药。 Isopropyl net (trade name Cotofor) is a herbicide introduced from abroad in recent years, mainly for cotton weeding. Since 1986, the authors have tested prophylaxis of weeds in wheat fields with isopropyl net. The results showed that isoprofen was broad-spectrum and long-lasting, and the herbicide used for sowing wheat was obviously superior to chlorotoluron. Muscle dosage should be controlled at 50 ~ 60 grams of active ingredients, can be sprayed in the seedlings before or after the second leaf one phase of spraying.