Citrus tristeza virus (CTV), a member of the genus Closterovirus, is one of the most destructive and economically important virus pathogens of citrus in the world.

• 柑橘衰退病毒(Citrus tristeza virus,CTV)是线形病毒科线形病毒属的一种,严重威胁着世界的柑橘生产。