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一、引言柑桔黄龙病是一个重要病害,在广东省普宁、潮安、潮阳、揭阳、广州郊区和福建省樟州等地均有发現。历史悠久。本病曾經过各地园艺和植保工作者的研究,闡明了不少問題,但对于病原問題尚无統一結論。何畏冶(1937)认为本病是镰刀菌引起的,林孔湘(1957)也一度认为鐮刀菌是桔柑发生黃龙病的主要因素。陈其儤(1943)认为本病是病毒引起的,林孔湘(1956)也认为本病确是病毒引起的,农业部柑桔黃龙病考察組同
I. Introduction Citrus Huanglongbing is an important disease found in Puning, Chaoan, Chaoyang, Jieyang, Guangzhou suburbs and Zhangzhou in Fujian Province. historical. The disease has been around gardening and plant protection workers in the study, clarified a lot of problems, but there is no uniform conclusion on the pathogen. He Wei Ye (1937) that the disease is caused by Fusarium, Lin Kong (1957) once also think Fusarium citron is the main factor in the occurrence of yellow dragon’s disease. Chen Qizhi (1943) that the disease is caused by a virus, Lin Kong (1956) that the disease is indeed caused by the virus, the Ministry of Agriculture citrus Huanglongbing inspection team with