【摘要】 对湖北省神农架山区腐烂莴苣上的病原真菌鉴定结果表明：除核盘菌和灰葡萄孢之外，还存在另外一种产菌核真菌。将其同核盘菌、三叶草核盘菌、小核盘菌和灰葡萄孢菌在培养特性、菌核结构和致病性等方面进行了比较。结果表明该病原是一类新的产菌核病原。目前尚未从其它地区发现这类病原。更多还原

【Abstract】 The decay-causing pathogens from lettuce in Shennongjia,Hubei province were isolated and identified.Except Sclerotin ia sclerotiorum and Botrytis cinerea,there existed another type of sclerotium-producing pathogens.In this paper,the cultural characteristics,sclerotial structure and the pathogenicity of the newly-disovered fungus were compared with S, sclerotiorum,S.trifoliorum,S.minor and B. cinerea.Results indicated that it was anew type of sclerotium-producing pathogen on lettuce,which has not been found in any other areas of this province.更多还原