2014年套袋苹果果面斑点病在烟台严重发生。室内分离鉴定结果表明,其病原菌为链格孢(Alternaria mali)和点枝顶孢(Acremonium stictum),在苹果不同品种上侵染的种类也不同。经室内离体果实接种病菌测定其致病性,针刺有伤接种处理均发病,无伤接种处理均不发病。表明该病原菌是弱寄生菌,只通过伤口侵染。田间防治试验结果表明,10%多抗霉素可湿性粉剂1000倍液喷雾对该病害有较好的防治效果。 2014 bagging apple fruit spot disease occurs seriously in Yantai. The results of indoor separation and identification showed that the pathogenic bacteria were Alternaria mali and Acremonium stictum, and the species of apple were different. In vivo isolated fruit inoculation pathogen determination of pathogenic, acupuncture injury vaccination are pathogenesis, no injury inoculation are not disease. This pathogen is weakly parasitic and infects only through the wound. Field control test results show that 10% Doxorubicin WP 1000 times spraying the disease have a better control effect.