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Erysiphe deutziae causing powdery mildew on Deutzia parviflora var. amurensis in China
Author(s) -
Nguyen Vanninh,
Guan Guanxiu,
Zhao Fengyun,
Tang Shurong,
Li Yu,
Liu Shuyan
Publication year - 2018
Publication title -
forest pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.535
H-Index - 49
eISSN - 1439-0329
pISSN - 1437-4781
DOI - 10.1111/efp.12454
Subject(s) - powdery mildew , biology , internal transcribed spacer , ornamental plant , botany , shrub , china , ribosomal rna , genetics , gene , political science , law
Deutzia parviflora var. amurensis is a common ornamental shrub in the Hydrangeaceae. In July and September 2017, powdery mildew infections were first noticed on this shrub in Yichun, China. Powdery mildew colonies on leaves and nonlignified stems were conspicuous, especially when the plants were growing in shade. Based on morphological characteristics and sequencing of the nuclear ribosomal internal transcribed spacer ( ITS ) region, the pathogen was identified as Erysiphe deutziae . To our knowledge, this is the first report of powdery mildew caused by E. deutziae on Deutzia parviflora var.  amurensis in China.

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