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梨泡状溃疡类病毒(Pear blister canker viroid,PBCVd)为马铃薯纺锤块茎类病毒科(Pospiviroidae)苹果锈果类病毒属(Apscaviroid)成员~([1])。该类病毒在自然条件下主要侵染野生和栽培的梨和苹果~([2~4]),梨和榅桲多数品种感染PBCVd后无明显症状,通过嫁接传染该类病毒可诱导梨指示植物
Pear blister canker viroid (PBCVd) is a member of Apscaviroid in Pospiviroidae ~ ([1]). The virus mainly invaded wild and cultivated pears and apples ([2-4]) under natural conditions. There was no obvious symptom after infection with PBCVd in most varieties of pears and slugs. Infection with grafts could induce pear-indicating plants