赤霉素是柑桔较理想的保花保果剂,但在生长较旺的幼年结果树上喷用,效果欠佳。为探讨赤霉素在温州蜜柑幼旺树上的适宜使用方法和浓度,于1990年进行了本试验。 试材为树势较旺的5年生富川温州蜜柑,设6个处理:分别用100、200、300、350ppm赤霉素涂果,50ppm赤霉素喷雾,同时设对照(涂清水),每处理2株,重复4次,喷、涂时间为5月10日(涂果柄)和6 Gibberellin is the ideal flower protectant citrus fruit, but in the growth of young fruit tree spraying, the effect is not good. In order to explore the suitable method and concentration of gibberellin on the young tree of Wenzhou Satsuma, this experiment was carried out in 1990. The test material for the tree vigor is more prosperous five-year Fuchuan Wenzhou Satsuma, set up six treatments: 100,200,300,350 ppm gibberellin-coated fruit, 50ppm gibberellin spray, while the control (coated with clear water), each treatment 2 strains, repeated 4 times, spraying, coating time is May 10 (stained fruit handle) and 6