目前,已知的苹果潜隐病毒都不能或难于接种到草本植物上。因此,病毒种类的鉴定,主要是利用木本指示植物二重嫁接法在田间进行。虽然木本指示植物田间鉴定法可以鉴定所有已知的苹果潜隐病毒,但其缺点是所需时间长,若将所有病毒种类鉴定清楚,则需要2～4 At present, none of the known apple latent viruses is able or difficult to inoculate on herbs. Therefore, the identification of virus types, mainly the use of woody plants dual grafting method in the field. Although the woody indicating plant field appraisal method can identify all the known apple latent virus, its disadvantage is that the time required is long. If all the virus types are identified clearly, it needs 2 to 4