Morphology and phylogeny reveal Stemphylium dianthi sp. nov. and new host records for the sexual morphs of S. beticola, S. gracilariae, S. simmonsii and S. vesicarium from Italy and Russia
文献类型： 外文期刊
作者： Brahmanage, Rashika S. 1 ; Wanasinghe, Dhanushka N. 3 ; Dayarathne, Monika C. 2 ; Jeewon, Rajesh 5 ; Yan, Jiye 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing Key Lab Environm Friendly Management Frui, Beijing 100097, Peoples R China
2.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
3.World Agro Forestry Ctr, East & Cent Asia Off, 132 Lanhei Rd, Kunming 650201, Yunnan, Peoples R China
4.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Biodivers & Biogeog East Asia KLPB, Kunming 650201, Yunnan, Peoples R China
5.Univ Mauritius, Fac Sci, Dept Hlth Sci, Reduit, Mauritius
6.Russian Res Inst Floriculture & Subtrop Crops, 2-28 Yana Fabritsiusa St, Soci 354002, Krasnodar Regio, Russia
7.AMB, Circolo Micol Giovanni Carini, CP 314, Brescia, Italy
8.AMB Grp, Micol Forlivese Antonio Cicognani, Via Roma 18, Forli, Italy
9.Societa Nat Romagna, CP 143, Bagnacavallo, RA, Italy
10.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
关键词： 1 new species; 4 new host records; fungi; plant pathogens; Pleospora; phylogeny; 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： 2019 年 411 卷 4 期
页码：
收录情况： SCI
摘要： In an investigation of related pleosporalean taxa collected from Italy and Russia, a novel species, Stemphylium dianthi and new host and geographical records of S. beticola, S. gracilariae, S. simmonsii and S. vesicarium are reported. Stemphylium is a genus of filamentous ascomycetes comprising plant pathogens and saprobes in the family Pleosporaceae. Our new species, S. dianthi is a dematiaceous hyphomycete, which can be distinguished from other hyphomycetes as it forms phaeodictyospores based on the percurrent rejuvenation of its conidiophores, and apically swollen conidiogenous cells. The sexual morphs of S. gracilariae and S. vesicarium are new host records from Italy and Russia respectively. Stemphylium beticola from dead stem of Dianthus capitatus and S. simmonsii from Acer campestre are herein described from a natural host substrate for the first time. An updated phylogenetic tree for Stemphylium is constructed using multi-genes (ITS, gapdh and cmdA) to confirm the phylogenetic relationships of Stemphylium species presented in this study. This paper provides morphological descriptions, illustrations and molecular data for each taxon.
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