Journal of Phytopathology (2016) 164, 348-353

GuoQing Li, FeiFei Liu, JieQiong Li, QianLi Liu and ShuaiFei Chen (2016)
Characterization of Botryosphaeria dothidea and Lasiodiplodia pseudotheobromae from English walnut in China
Journal of Phytopathology 164 (5), 348-353
Abstract: China is the largest walnut producer in the world, and walnut trees, especially English walnut, are widely distributed in the country. Species of Botryosphaeriaceae include important plant pathogens that can cause diseases on many tree crops including English walnut. Recently, disease symptoms caused by Botryosphaeriaceae were observed on English walnut branches or kernels from Beijing, Henan and Sichuan provinces in China. Based on morphological characteristics and phylogenetic analyses of the ITS rDNA sequences and translation elongation factor 1-alpha (TEF-1alpha) gene regions, Botryosphaeria dothidea and Lasiodiplodia pseudotheobromae were identified. Pathogenicity tests showed that both species are virulent to English walnut. To our knowledge, this is the first report of L. pseudotheobromae infecting English walnut in the world.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Shuai Fei Chen

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Botryosphaeria dothidea	Walnut/butternut (Juglans)
	Lasiodiplodia pseudotheobromae	Walnut/butternut (Juglans)