菲律宾尚处在研究过程中的柑桔黄龙病或青果病(Greening)防治方法,主要是首先根除既无经济价值又是病害接种源的大田病树,然后利用无病栽培材料建果园,审慎喷药使果园不遭传毒媒介——柑桔木虱(Diaphorina citri)为害。早在1960年到1972年间,八打雁及其吕宋岛上邻省的兴旺柑桔产业就因病害问题而荒废。据鉴定,所发生的病害是青果病,它的 Philippines is still in the process of research citrus Huanglong disease or greening disease prevention and treatment methods, mainly the first to eradicate the economic benefits of disease is not infected with the source of the field sick tree, and then use the disease-free cultivation of materials to build orchards, prudent spray The medicine keeps the orchard from being poisoned by Diaphorina citri. As early as 1960 to 1972, the flourishing citrus industry in Batangas and its neighboring provinces of Luzon was abandoned due to disease problems. It is identified that the disease that occurs is green fruit disease, it’s