Species of Mycosphaerella and related anamorphs on Eucalyptus leaves from Thailand

被引：62

作者：

Cheewangkoon, R. ^{[1
]}

Crous, P. W. ^{[2
]}

Hyde, K. D. ^{[3
]}

Groenewald, J. Z. ^{[2
]}

To-anan, C. ^{[1
]}

机构：

[1] Chiang Mai Univ, Fac Agr, Dept Plant Pathol, Chiang Mai 50000, Thailand

[2] CBS Fungal Biodivers Ctr, NL-3584 CT Utrecht, Netherlands

[3] Mae Fah Luang Univ, Sch Sci, Chiang Rai, Thailand

来源：

PERSOONIA | 2008年 / 21卷

关键词：

Eucalyptus; Mycosphaerella; Mycosphaerella leaf disease; Penidiella; Pseudocercospora; taxonomy;

D O I：

10.3767/003158508X370857

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Species of Mycosphaerella and their related anamorphs represent potentially serious foliar pathogens of Eucalyptus. The fungi treated in the present study were isolated from symptomatic Eucalyptus leaves collected in Thailand during June-October 2007. Species were initially identified based on morphological and cultural characteristics. Identifications were confirmed using comparisons of DNA sequence data of the internal transcribed spacers (ITS1, 5.8S nrDNA, ITS2) and the 28S nrDNA (LSU) regions. To help distinguish species of Psetidocercospora, the dataset was expanded by generating partial sequences of the translation elongation factor 1-alpha and actin genes. By integrating the morphological and molecular datasets, five new taxa were distinguished, namely Mycosphaerella irregulari, M. pseudomarksii, M. quasiparkii, Penidiella eucalypti and Pseudocercospora chiangmaiensis, while M. vietnamensis represents a new record for Thailand.

引用

页码：77 / 91

页数：15

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