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柑桔碎叶病是近年来在我国引起重视的一种病毒病害。它主要为害以枳壳或枳壳杂交种为砧木的柑桔树,其症状表现为嫁接口附近的嫁接穗部肿大,接合处呈环状隘缩,树冠叶片黄化等,严重的病树表现出衰退、矮化、遇强风或用手轻推病树,嫁接口部位易折断,造成柑桔生产上的重大损失。自1962年在美国加洲的北京柠檬上首先发现此病以来,相继在日本,澳大利亚、南非和我国的台湾、浙江、四川、广西、广东、湖南等省均有报道柑桔不同品砷植株感染碎叶病。我省柯冲等从1985年以来对福建省柑桔
Citrus leaf fragment disease is a virus disease that has drawn great attention in our country in recent years. It is mainly for the citrus trees with the aurantium or Citrus aurantium hybrids as the rootstocks. The symptoms are grafted spike near the grafted mouth, annular narrowing at the junction, yellowing of canopy leaf leaves, etc., and the serious diseased tree Show decline, dwarfing, strong wind or push the tree by hand, easy to break the interface of the grafting, resulting in a significant loss of citrus production. Since the first discovery of the disease on Lemons in Beijing, California, USA, in 1962, several citrus arsenic-infected plants have been reported in Japan, Australia, South Africa and Taiwan, Zhejiang, Sichuan, Guangxi, Guangdong and Hunan provinces Broken leaf disease. Ke Chong, etc. from our province since 1985, oranges in Fujian Province