Morphological and Phylogenetic Analyses Reveal Three New Species of Didymella (Didymellaceae, Pleosporales) from Jiangxi, China
文献类型： 外文期刊
作者： Luo, Xingxing 1 ; Hu, Yafen 1 ; Xia, Jiwen 2 ; Zhang, Kai 3 ; Ma, Liguo 4 ; Xu, Zhaohuan 1 ; Ma, Jian 1 ;
作者机构： 1.Jiangxi Agr Univ, Coll Agron, Nanchang 330045, Peoples R China
2.Shandong Agr Univ, Coll Plant Protect, Shandong Prov Key Lab Biol Vegetable Dis & Insect, Tai An 271018, Shandong, Peoples R China
3.Shandong Agr & Engn Univ, Coll Forestry Engn, Jinan 250100, Peoples R China
4.Shandong Acad Agr Sci, Inst Plant Protect, Shandong Key Lab Plant Virol, Jinan 250100, Peoples R China
关键词： asexual ascomycetes; Dothideomycetes; multi-locus phylogeny; new taxa; taxonomy
期刊名称：JOURNAL OF FUNGI （ 影响因子：4.7； 五年影响因子：5.2 ）
ISSN：
年卷期： 2024 年 10 卷 1 期
页码：
收录情况： SCI
摘要： Didymella contains numerous plant pathogenic and saprobic species associated with a wide range of hosts. Over the course of our mycological surveys of plant pathogens from terrestrial plants in Jiangxi Province, China, eight strains isolated from diseased leaves of four host genera represented three new species of Didymella, D. bischofiae sp. nov., D. clerodendri sp. nov., and D. pittospori sp. nov. Phylogenetic analyses of combined ITS, LSU, RPB2, and TUB2 sequence data, using maximum-likelihood (ML) and Bayesian inference (BI), revealed their taxonomic placement within Didymella. Both morphological examinations and molecular phylogenetic analyses supported D. bischofiae, D. clerodendri, and D. pittospori as three new taxa within Didymella. Illustrations and descriptions of these three taxa were provided, along with comparisons with closely related taxa in the genus.
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