通过对湘潭市近年来中晚稻矮缩植株症状、受害特点的调查研究,以及与黑条矮缩病、矮缩病、霜霉病等相近病害症状进行对比分析,认为湘潭市近年中晚稻矮缩植株的成因主要是受前期除草剂药害和中后期水稻南方黑条矮缩病共同危害所致。在此基础上提出了具体的防控对策。 Through the investigation on the characteristics and the characteristics of the dwarfed plants in middle and late rice in Xiangtan in recent years, as well as the comparative analysis of the similar disease symptoms with black-streaked dwarf, dwarf and downy mildew, it is concluded that the late-midge rice dwarf The cause of the plant is mainly due to pre-herbicide and rice in the late black dwarf disease caused by common hazards. On this basis, put forward specific prevention and control measures.