水稻纹枯病是水稻的主要病害之一,我县每年都有较大面积的发生,局部地方发生较为严重,极大地制约了水稻产量的提高,对粮食生产安全也构成了一定威胁。因此,搞好水稻纹枯病防治,意义十分重大。为了筛选出防效好、增产作用明显、经济安全的防治水稻纹枯病的农药品种,为大面积推广 Rice sheath blight is one of the major diseases of rice. Each year, the county has a large area, which is serious in some places, greatly restricting the increase of rice yield and poses a certain threat to food production safety. Therefore, to do a good job in the control of rice sheath blight is of great significance. In order to screen out the pesticide varieties with good control effect, obvious stimulation effect and economical and safe prevention and control of rice sheath blight,