Dictyophora rubrovolvata is an important edible mushroom that widely cultivated in China. In 2019, a serious rot disease on D. was observed production facility located Ce Heng County, Southwest of Guizhou Province, The causal agent identified as Trichoderma koningiopsis by amplification and sequencing the internal transcribed spacer (ITS) region, translation elongation factor 1-alpha (EF-1?) ge...