柑桔细菌性黄斑病(Citrus variegated chlorosis)是危害柑桔的新病害。目前在巴西迅速扩散并对柑桔生产造成严重威胁,病树叶片表明类似柑桔缺锌时的脉间褪绿症状,病果变小,果皮异常坚硬,严重影响柑桔品质,该病病原为一种局限于木质部的细菌,具有木质陷孔细菌(Xylella fastidiosa)的形态和构造特征,通过芽苗嫁接传播,病害控制尚难实施。 Citrus variegated chlorosis is a new disease that damages citrus. It is currently rapidly spreading in Brazil and poses a serious threat to the production of citrus trees. The diseased leaves show similar symptoms of meleal chlorosis during citrus zinc deficiency, resulting in smaller and harder peel and severely affecting the quality of the citrus, A species of xylem-restricted bacteria with the morphological and structural features of Xylella fastidiosa, which is spread by sprouting, is difficult to control.