Eighty five diseases which occur in Citrus production in China mainland were listed.Their distribution and the organs of Citrus plants by which the diseases mainly attack were also described.Of the listed diseases there were 61 infectious diseases and 24 non-infectious diseases.The infectious diseases were caused by 79 pathogens including fungi,viruses (viroids),bacteria (pseudo bacteria),phytoplasma,nematodes and parasitic higher plants.Citrus yellow vein clearing virus,Citrus chlorotic dwarf-associated virus,Citrus leaf blotch virus,Citrus bark cracking viroid,Citrus viroid V,and Citrus viroid Ⅴ (CVd-Ⅵ) are new diseases identified in China.%笔者列出了我国柑橘主产区发生危害的85种柑橘病害名称、病原菌、病害分布、危害部位,其中侵染性病害61种,非侵染性病害24种.侵染性病原物79种,包括病原真菌、病毒(类病毒)、细菌(假细菌)、植原体、线虫和寄生性种子植物.柑橘黄脉病、柑橘褪绿矮缩病、柑橘叶斑驳病、柑橘树皮裂纹类病毒、柑橘类病毒Ⅴ和柑橘类病毒Ⅵ为国内新发现病害.
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