Auricularia auricula, one of the most important edible mushrooms, is affected heavily by Trichoderma. We collected diseased samples from main A. auricula cultivation regions to characterize pathogen and study effect Trichoderma spp. on species. identified species, T. pleuroticola, based internal transcribed spacer morphology characteristics, two types strains, Heiwei 15 (HW 15) Hei 29 (H 29), w...