Morphological and molecular identification of Diaporthe species in south-western China, with description of eight new species

被引：41

作者：

Sun, Wenxiu ^{[1
]}

Huang, Shengting ^{[1
]}

Xia, Jiwen ^{[2
]}

Zhang, Xiuguo ^{[2
]}

Li, Zhuang ^{[2
]}

机构：

[1] Yangtze Univ, Coll Life Sci, Jingzhou 434025, Hubei, Peoples R China

[2] Shandong Agr Univ, Shandong Prov Key Lab Biol Vegetable Dis & Insect, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China

来源：

MYCOKEYS | 2021年 / 77期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Diaporthaceae; Diaporthales; phylogeny; taxonomy; 8 new taxa; BAYESIAN PHYLOGENETIC INFERENCE; STEM-END ROT; 1ST REPORT; SP; NOV; PHOMOPSIS; DIVERSITY; DIEBACK; COMPLEX; MRBAYES; REVEAL;

D O I：

10.3897/mycokeys.77.59852

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Diaporthe species have often been reported as plant pathogens, endophytes and saprophytes, commonly isolated from a wide range of infected plant hosts. In the present study, twenty strains obtained from leaf spots of twelve host plants in Yunnan Province of China were isolated. Based on a combination of morphology, culture characteristics and multilocus sequence analysis of the rDNA internal transcribed spacer region (ITS), translation elongation factor 1-alpha (TEF), beta-tubulin (TUB), calmodulin (CAL), and histone (HIS) genes, these strains were identified as eight new species: Diaporthe camelliae-sinensis, D. grandiflori, D. heliconiae, D. heterostemmatis, D. litchii, D. lutescens, D. melastomatis, D. pungensis and two previously described species, D. subclavata and D. tectonendophytica. This study showed high species diversity of Diaporthe in tropical rain forests and its hosts in south-western China.

引用

页码：65 / 95

页数：31

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