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稻稗（Echinochloaoryzicola）在八五三农场的部分种植年限长的稻田危害，而且逐年加重，水稻插秧后生长迅速，前期与稻苗外观极为相似，很难分辨，常用的丁草胺、阿罗津等封闭药剂防效不好，农户迫切需要能够较好地防治稻稗的药列，为此我们进行了相关研究。１材料与方法１．
Echinochloa oryzicola harms paddy fields that have been planted for a long time in part of the “853” farm and has been increasing year by year. The growth of rice after transplanting is rapid. The appearance of Echinochloa oryzicola is very similar to the appearance of rice seedlings in the early stage. It is difficult to distinguish the commonly used butachlor, Such as closed Pharmacy control effect is not good, farmers urgently need to be able to better control barnyardgrass medicine, for which we conducted a related study. 1 Materials and methods 1.