甜瓜黑点根腐病(Monosporascus cannonballus Pollack & Uecker)是我国新的进境植物检疫性有害生物,主要危害香瓜、西瓜、黄瓜等葫芦科作物,引起根腐,并导致果实品质下降,目前我国尚无该病发生为害的报道。在国内外文献资料的基础上简要介绍了该病病原菌的分类地位、寄主和分布、形态特征、生物学特性、病症、流行病学、检测方法以及防治措施等,以期为该病的防治提供帮助。 Melon black rot and root rot (Monosporascus cannonballus Pollack & Uecker) is China’s new quarantine pest of entry plants, the main harm melon, watermelon, cucurbits and other Cucurbit crops, causing root rot, and lead to the decline in fruit quality, at present, our country No reports of the disease. Based on the domestic and foreign literatures, this paper briefly introduced the taxonomic status, host and distribution, morphological characteristics, biological characteristics, disease, epidemiology, detection methods and prevention measures of the pathogenic bacteria in order to provide help for the prevention and treatment of the disease .