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油茶上几株类拟盘多毛孢菌的鉴定
姜育龙,周应科,马可臻,毛杨柳,于雪腾,刘依,侯成林
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(安徽省旌德县庙首林场,旌德242604;华北理工大学矿业工程学院,唐山 063210;首都师范大学生命科学学院,北京 100048)
摘要:
类拟盘多毛孢属真菌(Pestalotiopsis-like fungi)是油茶上重要的病原菌,能够引起病害并造成损失。从安徽省旌德县庙首林场油茶病叶中分离到6株类拟盘多毛孢属真菌,采用形态学结合3基因(ITS+TUB+TEF)分子系统学分析鉴定。结果显示,6株类拟盘多毛孢属真菌属于4个种,其中Pestalotiopsis chamaeropis为已知种,系油茶上首次报道,其余3个为系统发育种,由于缺乏足够菌株,没有进一步描述,菌株致病性也需要进一步研究。研究结果预示油茶中可能有更多的未描述的类拟盘多毛孢属的种。应对全国油茶类拟盘多毛孢属真菌的进行全面系统的调查研究,为油茶病害防治和抗病育种提供基础数据。
关键词:  类拟盘多毛孢属  分子系统分析  形态学  鉴定  油茶
DOI:10.13610/j.cnki.1672-352x.20170811.009
基金项目:教育部博士点基金(20131108110003)和华北理工大学科学研究基金项目(Z201311)共同资助。
Identification of several strains of Pestalotiopsis-like fungi from Camellia oleifera
JIANG Yulong,ZHOU Yingke,MA Kezhen,MAO Yangliu,YU Xueteng,LIU Yi,HOU Chenglin
(Miaoshou Forest Farm, Jingde 242604;College of Mining Engineering, North China University of Science and Technology, Tangshan 063210;College of Life Science, Capital Normal University, Beijing 100048)
Abstract:
Pestalotiopsis-like fungi are important pathogens of Camellia oleifera,causing diseases and damages. Morphology combined with the molecular phylogenetic analysis of three genes (ITS+TUB+TEF) were used to identify six strains of Pestalotiopsis-like fungi, which isolated from the leaf of Camellia oleifera in Miaoshou Forest Farm, Jingde County, Anhui Province. The results showed that there were six strains belonging to four species of Pestalotiopsis-like fungi. The known specie of Pestalotiopsis chamaeropis was firstly reported on Camellia oleifera. Due to the lack of sufficient strains, the other strains were described as phylogenetic species. The results indicated that there might be many undescribed species of Pestalotiopsis-like fungi on Camellia oleifera. Thus, a comprehensive and systematic investigation on the Pestalotiopsis-like fungi of Camellia oleifera in China is necessary for disease control and resistance breeding of Camellia oleifera.
Key words:  Pestalotiopsis-like fungi  molecular phylogenetic analysis  morphology  identification  Camellia oleifera

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