凉山州青薯9号马铃薯贮藏期主要病害种类调查

Main Diseases Investigation of Potato Qingshu 9 During Storage Period in Liangshan Prefecture

本文通过贮藏点现场调查并结合室内病原鉴定,对凉山州青薯9号马铃薯贮藏期主要病害种类进行调查。结果表明,凉山州青薯9号马铃薯在农户自然贮藏过程中发生的主要病害有3种,即马铃薯干腐病、马铃薯白绢病和马铃薯环腐病,其中干腐病平均发病率最高,可达7.59%,其次为白绢病,平均值为4.79%;而环腐病发病率相对较低,平均为3.25%。

By field investigation in potato storage space and laboratory pathogen identification,the main diseases of potato Qingshu 9 during storage period in Liangshan Prefecture were investigated.The results showed that there were three diseases including the potato dry rot,potato white blight and potato ring rot in potato Qingshu 9 of Liangshan Prefecture area during farmers′natural storage.The average incidence of potato dry rot was the highest with 7.59%.Next was potato white blight,and the average was 4.79%.The average incidence of potato ring rot was relatively low,it was only 3.25%.