水稻赤枯病是一种常见的生理病害,在新疆一般是老稻田、烂泥田、冷侵田、草泥炭田以及土壤透气性差、氧化还原性强的稻田发病较多。近年来随着耕作技术的改进,尤其是采用联合收割机收获,留茬较高以及脱粒后的稻草未清出稻田,至使土壤中未腐熟有机质过多,水稻生长季节遇高温天气 Rice leaf blight is a common physiological disease. In Xinjiang, it is generally the old paddy fields, muddy fields, cold invaded fields, grass-peat fields and soil with poor air permeability and redox activity. In recent years, with the improvement of farming techniques, especially the use of harvesters harvested, stubble stubble higher and the rice is not clear out of the paddy fields, so that the soil is not too much organic matter maturity, the rice growing season encountered hot weather