陕西省猕猴桃疫霉病的诊断及病原鉴定

Diagnosis of Blight of Yangtao Actinidia in Shaanxi Province

从西安霸桥、长安、户县、杨陵、周至、眉县等地采集猕猴桃疫霉病病株，经分离、纯化，结果认为：陕西省猕猴桃疫霉病的病原菌主要为鞭毛菌亚门卵菌纲，疫霉属的恶疫霉菌（Ｐｈｙｔｏｐｈｔｈｏｒａｃａｃｔｏｒｕｍ（ＬｅｂｅｔＣｏｈｎ）Ｓｃｈｏｒｔ．），猕猴桃为该菌在国内的新记录寄主。同时还分析了陕西关中地区几种常见疫霉菌与恶疫霉菌的区别。

The author identifys the pathogenic species of Yangtao actinidia in Shaanxi Province and described symptoms of blight.Integrated analysis is cmdulted with identification standards of Yu yongnian、Ho,H.H.and Waterhouse,G.M.et al.The blight is Phytophthora cactorum (Leb.et Cohn) Schort.