几种苹果潜隐性病毒传播途径的研究刘月英朱世新万惠民（辽宁省水土保持研究所）徐国庆（辽宁省朝阳市双塔区八里堡乡政府）苹果病毒按其危害特点可分为两大类，一类是非潜隐性病毒，在大多数品种上表现明显症状，容易识别，可通过清除病株来解决病毒的传播和防治问题。另... Study on the Transmission Pathways of Several Latent Viruses in Apple Liu Yueying Zhu Shixin Wan Huimin (Institute of Soil and Water Conservation of Liaoning Province) Xu Guoqing (Government of BaLabao Township, Shuangta District, Chaoyang City, Liaoning Province) Apple viruses can be divided into two major categories , A class of non-latent virus, the obvious symptoms in most species, easy to identify, you can remove the diseased strains to solve the spread of the virus and control problems. another...