稻瘟病（Ｐｙｒｉｃｕｌａｒｉａｏｒｙｚａｅ）是影响水稻生产和发展的重要病害，在水稻幼苗至抽穗的整个生育期均有发生，其发生面积大，危害重，使米质下降。控制该病的主要措施仍是采取化学防治，筛选有效的防治稻瘟病药剂，是控制稻瘟病发生和流行的重要措施。作者选... Pyricularia oryzae is an important disease that affects the production and development of rice. It occurs in the whole growth period from rice seedling to heading. Its occurrence area is large and the damage is heavy, so the rice quality is reduced. The main measures to control the disease are still to take chemical control, screening and effective control of rice blast agents, is an important measure to control the occurrence and prevalence of blast disease. Author selection ...