（1Research Center of Hami-melon， Xinjiang Academy of Agricultural Sciences， Urumqi 830052， Xinjiang， China； 2Key Laboratory of Melon and Watermelon Genetic Breeding of Hainan Province， Sanya 572014， Hainan， China）
Abstract：Gummy stem blight is an important disease of melon（Cucumis melo L.）．In
this paper，the pathogen of melon gummy stem blight found in Hainan Province was identified by
morphological characters．The pseudothecia，ascus and ascospore were measured．These fungi were
identified as ascomycete fungus Didymella bryoniae（ Auersw.） Rehm. ．The detailed description of
these fungi’s morphological characteristics was given．
