采用“四结合”措施防治柑桔矢尖蚧东江库区现有柑桔１２００ｈｍ２，均为山地桔园。其中有些桔园光照条件差，水库边常年空气湿度又较大，矢尖蚧发生较为普遍。特别是部分桔园管理较粗放，矢尖蚣危害更为严重，桔树枝叶枯焦，树势减弱，果实品质下降。１９９２～１９９４... The “four combination” measures were adopted to prevent and cure the existing citrus fruit of 1200hm2 in Citrus cuscuta, East River reservoir area, all of which are mountain orange orchard. Among them, some orange garden poor lighting conditions, the reservoir side of the perennial air humidity is greater, the incidence of Cape scale is more common. In particular, part of the orange garden management is more extensive, apathetic more serious harm, citrus branches Jiaojiao, tree weakening, fruit quality decline. 1992 ~ 1994 ...