据华南农大植保系报道,从甜橙、蕉柑和化州橙的病树上选取具典型黄龙病症状的芽条,用45～48℃的1000ppm盐酸四环素溶液处理10～15分钟,嫁接于无病红桔实生苗上,连续3年观察未见发病,而用未经加热的药液（20℃）或清水以及用同样温度的热水处理,则有31.1～95.1%的植株发病。 According to reports from South China Agricultural University Plant Protection Department, from the sweet orange, banana and Huazhou orange tree disease with typical symptoms of yellow buds selected with 45 ~ 48 ℃ 1000ppm tetracycline hydrochloride solution for 10 to 15 minutes, grafted to no Sick red tangerine seedlings, no incidence observed for 3 consecutive years, but with unheated liquid (20 ℃) ​​or water and the same temperature hot water treatment, there are 31.1 to 95.1% of the plant disease.