腐败病是莲藕的一种重要病害,其侵染性强,发病率高,可导致较多植株的死亡,使生产遭受较大损失。就菏泽市而言,今年全市9县区20余万亩藕田（池）约有5％的面积发生此病,部分重病藕田（池）植株死亡率高达40％。因此,深入研究此病并积极做好其防治工作,就显得尤为重要。 Corruption disease is an important disease of lotus root. Its strong infectivity and high incidence can lead to death of more plants and cause greater losses of production. In terms of Heze City, about 5% of lotus fields (ponds) in more than 20 million mu of 9 counties in this year are affected by this disease. The mortality rate of some severely injured lotus fields (ponds) is as high as 40%. Therefore, in-depth study of the disease and actively make its prevention and control work, it is particularly important.