文献类型: 外文期刊
作者: Liu, Jian-Kui 1 ; Luo, Zong-Long 3 ; Liu, Ning-Guo 2 ; Cheewangkoon, Ratchadawan 1 ; To-Anun, Chaiwat 1 ;
作者机构: 1.Chiang Mai Univ, Fac Agr, Dept Entomol & Plant Pathol, Chiang Mai 50200, Thailand
2.Guizhou Acad Agr Sci, Guizhou Key Lab Agr Biotechnol, Guiyang 550006, Guizhou, Peoples R China
3.Dali Univ, Coll Agr & Biol Sci, Dali 671003, Yunnan, Peoples R China
4.Naresuan Univ, Fac Agr Nat Resources & Environm, Phitsanulok 65000, Thailand
关键词: Asexual morph;Dothideomycetes;Phylogeny;Pleosporales;Taxonomy
期刊名称:PHYTOTAXA ( 影响因子:1.171; 五年影响因子:1.196 )
ISSN: 1179-3155
年卷期: 2018 年 338 卷 3 期
页码:
收录情况: SCI
摘要: Two new hyphomycetes, Paradictyoarthrinium aquatica and P. hydei were collected and isolated from submerged wood and decaying wood in China and Thailand respectively. Morphologically, they line well with Paradictyoarthrinium in having superficial, gregarious, black, powdery fruiting bodies, macronematous conidiophores with unevenly dictyoseptate, muriform, subglobose to ellipsoidal dark brown conidia, but they differ from the other species in having short conidiophores. Phylogenetic analysis of combined LSU, ITS and RPB2 sequence data showed that six taxa of Paradictyoarthriniaceae, including the two new species, form a monotypic clade among the phylogenetically close families in Pleosporales with good support. Six isolates of Paradictyoarthrinium formed four distinct clades and represent four different species. Detailed descriptions and illustrations of the new species are provided, as well as the comparisons with related taxa.
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