柑桔矢尖以在我市一年发生三代,以第一代发生较为整齐,二、三代常重叠,第三代常上果危害,受害严重的常造成枯叶、枯枝、僵果、甚至死树,为了经济有效地防治矢尖蚧,抓住第一代较整齐的幼蚧盛发期进行药剂防治,是全年防治的关键,据有关测报资料,各地第一代矢尖蚧幼蚧初见日,后推23天,是最佳施药期。从今年初见日预测我市第一代矢尖蚧盛发期为5月 Citrus tip in order to occur in our city three generations a year, the first generation occurred more tidy, two or three generations often overlap, the third generation often on the tree, seriously injured, often resulting in dead leaves, dead branches, stiff fruit and even Dead trees, in order to cost-effective prevention and treatment of Agriocalasius gracilis cling to the first generation of more nectar climacteric Sheng Pharmacy control, is the key to prevention and treatment of the year, according to the relevant measurement data, First seen in Japan, pushed back 23 days, is the best application period. From the beginning of this year to see the forecast of the city's first generation of acanthopanax sinensis Sheng period of May