Journal
PLANT DISEASE
Volume 105, Issue 5, Pages 1356-1364Publisher
AMER PHYTOPATHOLOGICAL SOC
DOI: 10.1094/PDIS-06-20-1218-RE
Keywords
Photinia; bud blight; pathogen; new disease; morphology; phylogeny
Categories
Funding
- National Natural Science Foundation of China [31972218, 31701733]
- Key Research and Development Program of Shandong Province [2019GSF109082]
- Program for Talents in Qingdao Agricultural University [6631114307]
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Photinia x fraseri, a globally distributed green plant with high ornamental value, experienced an outbreak of bud blight disease caused by Nothophoma quercina in Qingdao, China. This is the first report of such a phenomenon in China.
Photinia (Photinia x fraseri Dress) is a well-known green plant that has high ornamental value and is widely distributed around the world. An outbreak of typical bud blight disease was observed between May and August in photinia in 2017 in Qingdao, China. The causal agent for this blight was subsequently isolated from symptomatic samples and identified as Nothophoma quercina based on morphological characterization and molecular analyses (ITS, LSU, RPB2. and TUB2). Results of pathogenicity tests on isolated fungi also supported the conclusion that N. quercina is the pathogen responsible for this condition. To our knowledge, this is the first report of bud blight on P. fraseri caused by N. quercina in China.
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