稻板茬免耕(少耕)麦田看麦娘危害严重,一般在麦子播种时看麦娘已有2叶以上的叶龄。前几年有的地方虽在播后苗前或麦苗二叶一心期使用绿麦隆等除草剂,但效果欠佳。1985年秋我们在余杭县长乐乡长乐村,利用灭生性除草剂草甘膦、克芜踪在土壤中能很快降解的原理,对稻板麦进行播种前防除看麦娘试验,取得了良好的效果。 Rice stubble no-tillage (less tillage) wheat field to see Ophiopogon serious harm, generally see the wheat sowing has 2 leaves or more leaf age. Some places a few years ago, after sowing or wheat seedlings in front of two leaves one heart period using chloroplasts and other herbicides, but the effect is not good. The autumn of 1985 we Changle Village, Changle Township, Yuhang County, the use of the herbicide glyphosate dehuasibility, Ke Wu trace in the soil can be quickly degraded principle of rice planted before sowing to prevent Anemarrhenae test made good effect.