First report of Fusarium solani causing root rot in mushroom (Lyophyllum decastes) in China

Lyophyllum decastes is a delicious mushroom with healthcare value and has been successfully cultivated in many areas in China. In 2021 and 2022, root rot was found on the mushroom in a production base of Guiyang City, Guizhou Province. Based on morphological and molecular identifications, the pathogenic fungus was identified as Fusarium solani . The pathogenicity was verified with Koch’s postulates. This is the first report confirming the presence of this Fusarium causing root rot on L. decastes in China.