First report of gray mold on Bletilla striata caused by Botrytis fabiopsis in Japan

Abstract

Gray mold was found on leaves and flowers of Bletilla striata in Shizuoka Prefecture from April to May 2021 and 2022. The isolated fungus was identified as Botrytis fabiopsis based on morphology and G3PDH, HSP60, and RPB2 sequences. This is the first report of B. fabiopsis causing gray mold on B. striata in Japan.