根据刘国安等研究,莲腐败病病原菌是尖镰孢菌(Fusarium oxysporum)。它主要危害莲的地下根茎。我国福建、江西、湖南(?)大子莲产区,每年都有不同程度的发生。其主要病征是:早期染病的地下茎外表皮与正常者无别,横切面中心部位呈浅褐色,随后色泽加深,且向四周蔓 According to Liu Guoan and other studies, lotus rot pathogens Fusarium oxysporum (Fusarium oxysporum). It mainly endangers lotus underground rhizomes. China’s Fujian, Jiangxi, Hunan (?) Kobayashi lotus, each year to varying degrees. The main symptoms are: early infection of underground stem epidermis and normal without distinction, the central section of the transverse section was light brown, and then deepen the color, and to the surrounding vine