近年来 ,北京市麦田恶性杂草看麦娘在局部地区为害严重 ,发生面积不断扩大 ,造成小麦严重减产 ,直接影响到农民的口粮和经济收入。 1998年秋季我们选用了 55%普草克ＳＣ新型除草剂进行了田间药效试验 ,取得了理想的防除效果 ,现总结报告如下。1　材料与方法1.1　供试药剂55%普 In recent years, the vicious weeds in Beijing wheat see Ma Niang serious damage in some areas, the occurrence of an area of ​​continuous expansion, resulting in a serious wheat yield, a direct impact on farmers’ rations and economic income. In the autumn of 1998, we selected 55% Pu Keke SC new herbicide for field efficacy test and achieved the ideal control effect. The summary report is as follows. 1 Materials and Methods 1.1 for 55% of the general agent test