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本文通过一份记录福建省安溪县自然灾害的史志文献,发现大雪成灾的气候时间段(1720—1727)与一个有关“铁观音”诞生传说的时间(1725年)重合,通过观察现代实验中“铁观音的气孔大小”数据,得出“铁观音气孔明显小于其它乌龙茶品种的气孔,呈最小值”这一事实,推断1720—1727年间的大雪气候和铁观音的诞生之间存在某种联系。最后得出结论:1、安溪县在18世纪20年代上半期,气候突然连续数年变冷,外因的变化诱发一些乌龙茶茶种发生了变异,生成新的茶种——铁观音;2、铁观音的“观音韵”与这个气候段有相关;3、指出天气温度在铁观音培育种植过程中的重要性,低温的度数范围和持续时间,是“观音韵”研究要把握的一个重点方向。
Through a historical record documenting natural disasters in Anxi County, Fujian Province, this paper finds that the climatic time period of heavy snowfall (1720-1727) coincides with the time (1725) about the birth tale of “Tieguanyin” In modern experiments, the data of “stomatal size of Tieguanyin” show that “the stomatal aperture of Tieguanyin is obviously smaller than the stomata of other Oolong tea varieties, showing the minimum value”, inferring the heavy snow climate between 1720 and 1727 and Tieguanyin’s There is some connection between births. Finally, the conclusion is drawn as follows: 1, In the first half of 1920s in Anxi County, the climate suddenly became cool for several years. The change of external factors induced the mutation of some Oolong tea varieties to produce new tea species - Tieguanyin. “Guanyin Yun” is related to this climatic segment; 3. It is pointed out that the importance of the weather temperature in the cultivation and cultivation of Tieguanyin, the range and duration of the degree of low temperature is the one to be grasped by the study of “Guanyin Yun” Key directions.