Identification and Characterization of Gonatobotryum apiculatum Causing Leaf Spot and Blight on Sinowilsonia henryi

被引：2
|
作者：
Gao, Ying [1 ,2 ]
Liu, Hai Feng [1 ,2 ]
Song, Zheng Xing [3 ]
Du, Xiao Ying [1 ,2 ]
Deng, Jian Xin [1 ,2 ]
机构：
[1] Yangtze Univ, Coll Agr, Dept Plant Protect, Jingzhou, Peoples R China
[2] Yangtze Univ, Hubei Engn Technol Ctr, Forewarning & Management Agr & Forestry Pests, Jingzhou, Peoples R China
[3] Chungnam Natl Univ, Coll Agr & Life Sci, Dept Appl Biol, Daejeon, Peoples R China
来源：
MYCOBIOLOGY | 2020年 / 48卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Gonatobotryum; Dothioraceae; morphology; phylogeny; pathogenicity; DNA;
D O I：
10.1080/12298093.2019.1690405
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Sinowilsonia henryi is a rare and endangered plant, as well as an endemic species in China. In July 2018, leaf spot and blight disease was observed on S. henryi in Yichang, Hubei, China. A fungus isolated from disease tissues was identified as Gonatobotryum apiculatum based on morphology and sequence analyses of ITS and LSU regions. Phylogenetic analyses indicated that the species belongs to Dothioraceae (Dothideales). Morphologically, the species produced two distinct types of conidia from authentic media, both conidia were described here. Pathogenicity tests showed that the fungus is a pathogen causing leaf spots on S. henryi. This is the first report of leaf spot and blight disease on S. henryi caused by G. apiculatum in China.
引用
收藏
页码：70 / 74
页数：5
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