色疣节梗孢属一中国新记录种

A new recorded of Gonatobotryum in China

摘要:

【目的】调查我国植物病原真菌资源与多样性。【方法】采用经典真菌形态分类方法并结合序列分析结果对研究样品进行鉴定。【结果】从浙江省绍兴市平水镇的林下枯叶上分离到尖色疣节梗孢，对尖色疣节梗孢的形态特征进行了详细的观察和描述，并对其ITS rDNA序列进行分析。【结论】金缕梅叶斑病的尖色疣节梗孢病原菌在我国是首次发现，为我国真菌新记录种。

Abstract:

[Objective] To investigate and discover resources and diversity of plant pathogenic fungi in China. [Methods] Classical morphological features and ITS rDNA sequences were used for fungal identification. [Results] Gonatobotryum apiculatum was isolated from the fallen forest leaves in Pingshui Town, Shaoxing City, Zhejiang Province. The morphological characteristics of G. apiculatum were observed and described in detail. In addition, the ITS rDNA of G. apiculatum was amplified and sequenced. [Conclusion] G. apiculatum causing leaf spot of Hamamelis sp. was recorded for the first time from China.