Tea plant is one of the most important commercial crops worldwide. The Didymellaceae fungi can cause leaf blight disease of tea plant. In this study, 240 isolates were isolated from tea plant leaves of 10 provinces in China. Combined with multi-locus (ITS, LSU, RPB2 and TUB2 ) phylogenetic analysis and morphological characteristics, these isolates were identified as 25 species of six genera in Didymellaceae, including 19 known species Didymella coffeae-arabicae , D. pomorum , D. segeticola , D. sinensis , Epicoccum catenisporum , E. dendrobii , E. draconis , E. italicum , E. latusicollum , E. mackenziei , E. oryzae , E. poaceicola , E. rosae , E. sorghinum , E. tobaicum , Neoascochyta mortariensis , Paraboeremia litseae , Remotididymella anemophila and Stagonosporopsis caricae , of which 15 species were new record species and six novel species, named D. yunnanensis , E. anhuiense , E. jingdongense , E. puerense , N. yunnanensis and N. zhejiangensis . Amongst all isolates, D. segeticola was the most dominant species. Pathogenicity tests on tea plant leaves showed that E. anhuiense had the strongest virulence, while E. puerense had the weakest virulence. Besides, D. pomorum , D. yunnanensis , E. dendrobii , E. italicum , E. jingdongense , E. mackenziei , E. oryzae , E. rosae , E. tobaicum , N. mortariensis , N. yunnanensis , N. zhejiangensis and R. anemophila were non-pathogenic to the tea plant.

Yuchun Wang

Yiyi Tu

Xueling Chen

Hong Jiang

Hengze Ren

Qinhua Lu

Chaoling Wei

Wuyun Lv

MycoKeys

MYCOKEYS 是一本经过同行评审、开放获取、在线和印刷、快速制作的期刊，旨在支持真菌（包括地衣）系统学和生物学方面的思想和信息的自由交流。在 MYCOKEYS 上发表的所有论文都可以自由复制、下载、为读者免费印刷和分发。因此，鼓励作者将已发表论文的 PDF 文件张贴在其主页或其他地方，以加快分发速度。颜色没有限制，也没有收费。

MYCOKEYS is a peer-reviewed, open-access journal available in both online and print formats, aimed at facilitating the free exchange of ideas and information in the fields of fungal (including lichen) systematics and biology. All papers published in MYCOKEYS can be freely copied, downloaded, and printed for distribution to readers at no cost. Therefore, authors are encouraged to upload the PDF files of their published papers to their personal websites or other platforms to expedite dissemination. There are no restrictions on color usage, and no fees are charged.

MYCOKEYS 是一本经过同行评审的开放获取期刊，提供在线和印刷版，旨在促进真菌（包括地衣）系统学和生物学领域思想和信息的自由交流。所有在 MYCOKEYS 上发表的论文均可自由复制、下载，并可供读者免费印刷和分发。因此，我们鼓励作者将已发表论文的 PDF 文件上传到个人主页或其他平台，以加快传播速度。期刊不限制颜色使用，也不收取任何费用。

Category	Quartile
生物学	2
生物学, 真菌学	2

Didymellaceae species associated with tea plant (Camellia sinensis) in China

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