马铃薯癌肿病是我国及世界上许多国家规定的植物检疫对象之一。我国历史上从无本病发生记载,1979年开始在我省和云南省的一些高山区发现。1981年我省凉山州查明,全州发病面积4万余亩,产量损失360余万斤,占病区马铃薯产量的20％。严重影响了当地彝胞的生活安排和生产情绪。这是一种危害大,损失重,难防治,不易根绝的危险病害。本病主要通过带病薯块及附着在薯块 Potato disease is one of the phytosanitary targets prescribed by many countries in China and in the world. History of our country from the absence of the disease records, began in 1979 in some high mountain areas in Yunnan Province and Yunnan Province found. In 1981, Liangshan Prefecture in our province was found out that the entire state had an area of ​​more than 40,000 mu, the loss of output was over 360,000 kg, accounting for 20% of the potato yield in the ward. Seriously affected the living arrangements and production sentiment of the local Yi people. This is a dangerous disease with great harm, heavy loss, difficulty in prevention and treatment and not easily eradicated. The disease mainly through the tuberculosis and attached to the potato block