裂皮病(exocortis)是柑桔的重要病毒病害之一,是感病砧木柑桔植株的毁灭性病害。该病害遍布世界各地,目前已报发生裂皮病的国家有美国、澳大利亚、巴西、阿根廷、西班牙、意大利、希腊、以色列、摩洛哥、南非和日本等。澳大利亚的“鳞片状根端”的“兰普来檬病”与裂皮病系同一病害。我国台湾1972年报道在引入的葡萄柚和 Exocortis is one of the most important viral diseases in citrus and is a devastating disease in the rootstock citrus plants. The disease is spread all over the world. At present, the countries where split disease has been reported are the United States, Australia, Brazil, Argentina, Spain, Italy, Greece, Israel, Morocco, South Africa and Japan. Australia’s “scaly root” of the “Lop Lack disease” and split the same disease disease Department. Our country Taiwan reported in 1972 the introduction of grapefruit and