潮州市农业科技发展中心自 2 0 0 0年采用荔枝专用袋开展荔枝果实套袋试验示范 ,2 0 0 1年增加潮州市果树研究所为试点扩大示范 ,对荔枝不同品种、不同时期果实套袋及相关配套技术开展应用示范。经两年多试验 ,效果明显。1　材料与方法1 1　试验示范果园　试验时间为 2 0 0 0年 Chaozhou Agricultural Science and Technology Development Center since 2000 using litchi bags for litchi fruit bagging demonstration, in 2001 to increase Chaozhou City Institute of Pomology as a pilot to expand the demonstration of different varieties of litchi, fruit bagging at different times And related supporting technology to carry out demonstration. After more than two years of experiment, the effect is obvious. 1 Materials and methods 1 1 Experimental demonstration Orchard test time is 200 years