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枣树原产我国,栽培历史距今已有三千余年。枣的抗逆性强、适应性广、营养和经济价值很高,深受广大农民欢迎。但是,目前在枣树生产上,一般存在严重的落花落果现象,据1958年在山西省稷山、中阳等枣区调查结果,发现其着果率仅1—2%。因此,如何采取有效措施,实现枣的保花保果,提高着果率,在政治上和经济上都具有重要意义。此项研究是通过1957—1958年的调查和吸取各地试验成果的基础上进行的。方法以应用生长刺激素、环状
Jujube native to China, cultivation history dating back more than 3,000 years. Jujube strong resistance, wide adaptability, high nutritional and economic value, welcomed by the majority of farmers. However, the current jujube tree production, there is a serious phenomenon of falling flowers and fruits, according to 1958 in Shanxi Province Jishan, Zhong Yang and other jujube district findings and found that the fruit rate of only 1-2%. Therefore, it is politically and economically important to take effective measures to realize the preservation of fruit and fruit and the improvement of the fruit yield of jujube. The study was based on 1957-1958 surveys and drawing on experimental results from all over the world. Methods to use growth stimulators, ring