以新疆冬枣为试材,对其采后贮藏中黑腐病病原菌进行了分离纯化和鉴定,并对其控制措施进行了研究。结果表明:冬枣黑腐病病原菌鉴定为链格孢菌;链格孢菌在不同培养基上的菌落生长速率、产孢量以及菌落厚度差异较大,黑暗对其孢子的产生起促进作用,分生孢子致死温度为70℃,微波和超声波处理均能抑制其孢子的萌发,链格孢菌孢子具有较强的抗紫外线辐照能力。 Xinjiang jujube was used as material to isolate, purify and identify black rot pathogens in postharvest storage, and its control measures were studied. The results showed that the black rot pathogen of Dongzao was identified as Alternaria; Alternaria alternata had different colony growth rate, sporulation rate and colony thickness on different culture media, and the darkness promoted the spore production. The lethal temperature of conidia was 70 ℃. The spore germination was inhibited by both microwave and ultrasonic treatment. Alternaria sp. Possessed strong ability of resisting ultraviolet radiation.