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水稻纹枯病在我社发生已有十几年的历史,近些年来有加重趋势,发病面积逐年扩大,发病率也逐渐增加,是我社水稻增产的障碍因素之一。为了加强今后防治工作,在一九八○年秋,对全社水稻纹枯病发生情况等进行调查。
Rice sheath blight has been in our society for more than ten years and has been aggravating in recent years. The disease area has been expanding year by year and the incidence has also been gradually increasing. This is one of the obstacles to the rice yield increase of our society. In order to strengthen future prevention and control work, in the autumn of 1980, we conducted an investigation into the occurrence of rice sheath blight in the whole community.