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International Journal of Medicinal Mushrooms
IF: 1.423 5-Year IF: 1.525 SJR: 0.431 SNIP: 0.716 CiteScore™: 2.6

ISSN Print: 1521-9437
ISSN Online: 1940-4344

International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v19.i2.70
pages 155-161

Identification of a New Fungal Pathogen Causing White Villous Disease on the Fruiting Body of the Culinary-Medicinal Mushroom Auricularia auricula-judae (Agaricomycetes) in China

Jie-Chi Zhang
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Xiang-Hui Kong
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Pi-Qi Zhang
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Jia-Ning Liu
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Yin-Peng Ma
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, Heilongjiang, China
Xiao-Dong Dai
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Zeng-Hua Han
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Qing-Fang Ma
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, China; Institute of Advanced Technology, Heilongjiang Academy of Sciences, Harbin, China
Xiao-Yong Wang
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, Heilongjiang, China
Li-Ping Yu
Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, Heilongjiang, China; Institute of Advanced Technology, Harbin, Heilongjiang, China

ABSTRACT

Auricularia auricula-judae is an edible and medicinal fungus ranking fourth in production among the edible fungi cultivated worldwide. White villous disease is rampant in Northeast China; it infects the fruiting bodies of A. auricula-judae by forming a white mycelial layer on its ventral side. The disease not only causes an unacceptable morphological appearance and a poor-quality product, but it also significantly reduces the yield. In this study, based on fungal morphology, ribosomal DNA internal transcribed spacer sequences, identification of species-specific primers, and the pathogenicity of the mycelia and spores, 2 fungal pathogens were isolated and identified as Fusarium equiseti and F. sporotrichioides.


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