枣烂果病已成为影响泗洪大枣产量和品质的主要病害之一。对于此病的病原菌 ,还没有一致的说法。笔者将病原菌从病果上分离纯化后进行鉴定 ,初步认为是半知菌亚门 ,球壳孢目 ,小穴壳属 ,群生小穴壳种真菌 ,同时进行了室内抑菌试验。1　材料与方法　　供试菌种 :从泗洪大枣病果中 Jujube rot disease has become the impact of Sihong jujube yield and quality of one of the major diseases. For the pathogenic bacteria, there is no consistent statement. The author of the pathogen isolated from the sick after the identification of the fruit, initially considered to be semi-Amycolatopsis, Spherical shell spores, small cave genus, group of small cave shell fungi, at the same time indoor antibacterial test. 1 Materials and methods tested species: fruit jujube from Sihong