水稻纹枯病是我省水稻三大病害之一，发生面广，为害重，目前防治纹枯病的特效药剂是井冈霉素，但不少农户使用后，效果并不理想，除了药剂质量问题外，没有很好掌握防治技术是一个重要的原因。要提高井冈霉素的防效，必须注意：1．选用新鲜、有效成分含量符合标准的井冈霉素。 Rice sheath blight is one of the three major diseases of rice in our province, with a wide range of occurrence and serious damage. At present, the effective medicine for controlling Rhizoctonia solani is Jinggangmycin. However, after many farmers use it, the effect is not satisfactory. In addition to the quality problems of pesticides, Outside, it is an important reason not to master control technology well. To increase Jinggangmycin control effect, we must note: 1. Use fresh, valid content of Jinggangmycin meet the standards.