Мақола

Neostagonosporella sichuanensis gen. et sp. nov. (Phaeosphaeriaceae, Pleosporales) on Phyllostachys heteroclada (Poaceae) from Sichuan Province, China

Chunlin YangForestry Research Institute, Chengdu Academy of Agricultural and Forestry Sciences, Nongke Road 200, Chengdu 611130, Sichuan, China Mae Fah Luang University Chiang Rai ThailandXiulan XuForestry Research Institute, Chengdu Academy of Agricultural and Forestry Sciences, Nongke Road 200, Chengdu 611130, Sichuan, China Mae Fah Luang University Chiang Rai ThailandDhanushka N. WanasingheCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand Forestry Research Institute, Chengdu Academy of Agricultural and Forestry Sciences Chengdu ChinaRajesh JeewonDepartment of Health Sciences, Faculty of Science, University of Mauritius, Reduit, Mauritius University of Mauritius Reduit MauritiusRungtiwa PhookamsakKey Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 649201, Yunnan, China Kunming Institute of Botany, Chinese Academy of Science Kunming ChinaYing‐Gao LiuCollege of Forestry, Sichuan Agricultural University, Wenjiang District, Huiming Road 211, Chengdu 611130, Sichuan, China Sichuan Agricultural University Chengdu ChinaLijuan LiuCollege of Forestry, Sichuan Agricultural University, Wenjiang District, Huiming Road 211, Chengdu 611130, Sichuan, China Sichuan Agricultural University Chengdu ChinaKevin D. HydeCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand Forestry Research Institute, Chengdu Academy of Agricultural and Forestry Sciences Chengdu China

2019en

ABI

Аннотация

Neostagonosporellasichuanensis sp. nov. was found on Phyllostachysheteroclada collected from Sichuan Province in China and is introduced in a new genus Neostagonosporella gen. nov. in this paper. Evidence for the placement of the new taxon in the family Phaeosphaeriaceae is supported by morphology and phylogenetic analysis of a combined LSU, SSU, ITS and TEF 1-α DNA sequence dataset. Maximum-likelihood, maximum-parsimony and Bayesian inference phylogenetic analyses support Neostagonosporella as a distinct genus within this family. The new genus is compared with related genera of Phaeosphaeriaceae and full descriptions and illustrations are provided. Neostagonosporella is characterised by its unique suite of characters, such as multiloculate ascostromata and cylindrical to fusiform, transversely multiseptate, straight or curved ascospores, which are widest at the central cells. Conidiostromata are multiloculate, fusiform to long fusiform or rhomboid, with two types conidia; macroconidia vermiform or subcylindrical to cylindrical, transversely multiseptate, sometimes curved, almost equidistant between septa and microconidia oval, ellipsoidal or long ellipsoidal, aseptate, rounded at both ends. An updated phylogeny of the Phaeosphaeriaceae based on multigene analysis is provided.

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DOI: 10.3897/mycokeys.46.32458

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