席草又称蔺草,是我区的主要经济作物。因生长期长,田间杂草种类多、量大,严重影响席草的优质高产。常用除草剂效果不理想,1989年我们筛选出25％绿黄隆(沈阳化工研究院农药厂)除草效果达到96.5％,比25％绿麦隆高31.1％。其中对看麦娘除草效果为87.3％,对阔叶类杂草为99.3％,分别比25％绿麦隆增加65.3％和20.9％,1990年 I grass, also known as Rush, is my area’s main cash crop. Due to the long period of growth, weeds in the field are numerous and large in quantity, seriously affecting the high yield and high yield of mat grass. Commonly used herbicide effect is not satisfactory, in 1989 we screened 25% of the green Huanglong (Shenyang Chemical Research Institute of Pesticide Factory) herbicidal effect reached 96.5%, 31.1% higher than the 25% chlorothalonil. Among them, 87.3% of weed control herbicides and 99.3% of broad-leaved weeds were used, which increased 65.3% and 20.9% respectively than that of 25% chlorotoluron, respectively