柑橘黄龙病又叫黄梢病,几乎能危害柑橘类的所有种类是南方柑橘产区的一种毁灭性病害。它不仅使叶片转黄,还能使柑橘产量降低,品质下降,病情严重时会使根系腐烂,甚至会造成柑橘全园被毁,对柑橘生产威胁极大。因此,应高度重 Citrus Huanglongbing also known as yellow tip disease, almost all types of harmful citrus is a devastating disease in southern citrus producing areas. It not only leaves the leaves yellow, but also to reduce the yield of citrus, quality decline, the disease will make the roots decay serious, and even cause the whole citrus destroyed the park, a great threat to the production of citrus. Therefore, it should be highly valued