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

Mycobiology
Ying GaoJian Xin Deng

Abstract

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.

References

May 11, 1992·Nucleic Acids Research·J L Cenis
Feb 20, 2010·Studies in Mycology·C L SchochJ W Spatafora
Mar 24, 2016·Molecular Biology and Evolution·Sudhir KumarKoichiro Tamura

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Datasets Mentioned

BETA
EF622212
DQ678048
DQ247802
AY883094
AY544681

Methods Mentioned

BETA
PCR

Software Mentioned

ClustalW
BLASTn
RAxML
Mega

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