水稻细菌性谷枯病病菌是我国进境植物检疫性细菌,由其引起的水稻细菌性谷枯病是水稻上的重要病害,在热带和亚热带的水稻产区发生严重。本文综述了该病菌的分类、生理特征、寄主、致病机理及病害症状与防病措施等方面的研究进展。了解水稻细菌性谷枯病病菌的致病机理以及水稻对该病的防卫机制有利于制定更有效的防治策略。 Bacterial powdery mildew of rice is a quarantine bacteria that infects plants in China. Bacterial grain blight caused by it is an important disease on rice, which is serious in the rice producing areas of tropical and subtropical areas. This article reviewed the research progress on the classification, physiological characteristics, host, pathogenesis, disease symptoms and disease prevention measures of the bacteria. Understanding the pathogenesis of bacterial pathogen Bacterial powdery mildew and the defense mechanism of rice against this disease will help to develop more effective control strategies.