Hunan is one of the most important citrus producers in China, but its citriculture suffers from several virus diseases such as Citrus Tristeza Virus (CTV), Citrus Tatter Leaf Virus (CTLV), Citrus Exocortis Viroid (CEVd), Satsuma Dwarf Virus (SDV) etc.

• 作为柑橘大省，湖南近年来先后报道了柑橘衰退病(Citrus Tristeza Virus，CTV)、碎叶病(Citrus Tatter Leaf Virus，CTLV)、裂皮病(Citrus Exocortis Viroid，CEVd)和温州蜜柑萎缩病(Satsuma Dwarf Virus，SDV)等病毒类病害的存在，为我省柑橘病毒的预防敲响警钟。