Alternaria yunnanensis sp. nov., a New Alternaria Species Causing Foliage Spot of Rubber Tree in China

被引：11

作者：

Cai, Zhi-Ying ^{[1
]}

Liu, Yi-Xian ^{[1
]}

Shi, Yu-Ping ^{[1
]}

Dai, Li-Ming ^{[1
]}

Li, Lan-Lan ^{[1
]}

Mu, Hong-Jun ^{[1
]}

Lv, Mei-Lin ^{[2
]}

Liu, Xiao-yong ^{[2
]}

机构：

[1] Yunnan Inst Trop Crops, Res Ctr Plant Protect, Jinghong 666100, Peoples R China

[2] Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100101, Peoples R China

来源：

MYCOBIOLOGY | 2019年 / 47卷 / 01期

关键词：

Alternaria yunnanensis; Ascomycota; morphology; multi-loci molecular phylogeny; taxonomy; BLACK LEAF-SPOT; 1ST REPORT; STRATEGIES;

D O I：

10.1080/12298093.2019.1575584

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

A new species of Alternaria causing leaf spots on the rubber tree (Hevea brasiliensis) in Yunnan, China, was isolated, examined, and illustrated. Morphologically, it belongs to the section Porri of Alternaria, which produces relatively large conidia and a simple or branched, filamentous long beak. It is, however, characterized by conidiophores gradually enlarging near the apex into a clavate conidiogenous cell and long ellipsoid to obclavate, smooth-walled conidia with a long filamentous beak. Molecular phylogenetic analyses based on ITS rDNA, GAPDH, and TEF1-alpha sequences demonstrate that the phytopathogen falls in the clade of the section Porri, being most closely related to A. sidae, A. sennae, A. deseriticola, A. cyamopsidis, A. rostellata, A. nitrimali, A. crassa, and A. thunbergiae.

引用

页码：66 / 75

页数：10

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