在1982年北方果树植保工作会议上,确定将苹果轮纹病列为国内苹果主要产区的重点病害之一,号召各地要将已取得的科研成果尽快地运用到生产中去,使其发挥最大的经济效益。为此,我们于1983年开始,在青岛市所属的六县一区范围内,全面开展防治苹果轮纹病的大面积生产示范,继而推广到 In the north of 1982 meeting on fruit trees and plant protection, apple rings disease was identified as one of the major diseases in the main producing areas of domestic apple, calling for all local scientific research achievements to be made as soon as possible to use in production to make it to the maximum The economic benefits. To this end, we started in 1983, in the six counties in a district within the scope of Qingdao, the full implementation of large-scale production of prevention and control of apple ring disease demonstration, and then extended to