小麦田的杂草危害是造成小麦减产的重要因素之一，四川省冬小麦田主要杂草有棒头草、繁缕、猪殃殃、大巢菜、毛艮、碎米荠、看麦娘等。以前多用 2， 4— D丁酯、甲黄隆 (在四川麦田已停止使用 )、绿麦隆、巨星、百草敌、骠马，现正推广应用的有阔草清、好事达、使它隆等药剂， Weed harm in wheat field is one of the most important factors to reduce wheat yield. The main weeds in winter wheat field in Sichuan Province are Capra, chickweed, Galium aparine, big vetch, Burgundy, chestnut, etc. . In the past with 2, 4 - D butyl, joselungong (wheat fields in Sichuan have been discontinued), chlorotoluron, superstar, paraquat enemies, plutonium, is now promoting the use of broad-leaved clear, good things up to make it Lung Other drugs,