柑桔黄龙病是柑桔生产的严重病害之一,广东全省,广西、福建南部的绝大多数柑桔产区都有发生。 我区所发现的柑桔“黄龙病”,和广东、广西、福建的黄龙病很相似,但又不尽相同。虽然不象两广的黄龙病那样在几年内可使柑桔树整株病死,但 Citrus Huanglongbing is one of the serious diseases of citrus production. Most of the citrus producing areas in Guangdong, Guangxi and Fujian provinces have occurred. The citrus “Huanglongbing” discovered in our district is similar to the Huanglongsai in Guangdong, Guangxi and Fujian, but it is not the same. Although not like the Guangdong and Guangxi Huanglong disease citrus trees in a few years can make the whole plant died of disease, but