苹果轮纹病[Botryosphaeria dothidea(M oug.)Ces.et De Not.]是富士苹果的主要病害,该病在环渤海湾和黄河故道苹果产区已严重影响苹果生产。据2008年调查,国内苹果枝干轮纹病总体发病率达77.6%[1],因轮纹病一般年份苹果果实损失20%~30%,严重年份损失70%以上[2]。目前,对于苹 Botryosphaeria dothidea (M ou g.) Ces. Et De Not.] Is a major disease of Fuji apples that have severely affected apple production in the apple producing areas around the Bohai Bay and the Yellow River. According to the 2008 survey, the overall incidence of dry rodentidroposes in apple blossoms in China reached 77.6% [1], the loss of apple fruits was 20% -30% in the general year due to the occurrence of the annual ring pattern disease, and the loss of more than 70% in severe years [2]. At present, for Apple