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1998～ 1 999年在贵州 3个县烤烟上发现一种叶斑病 ,病原真菌鉴定为半知菌类中的丛梗孢目、暗梗孢科多胞亚科、棒孢霉属 ( Corynespora Güssow)
A leaf spot was found on flue-cured tobacco in 3 counties of Guizhou from 1998 to 1999. The pathogenic fungi were identified as Corynebacterium sp., Corynebacterium subtilis, Corynespora Güssow )