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80年代以来,我参加了以北京林业大学陈俊愉教授领导的“中国梅花品种研究”科研协作组,分工担任中国古梅的研究。10年中我走访了浙、皖、鄂、粤、滇5省、10市县,调查现存古梅33株。在调研过程中,遇着最棘手的问题,便是树龄的确定。也是其它古树名木调研工作中所碰到的共性难题。当今中外测定树龄的方法,已知者有生长锥年轮测定法,树皮韧皮层分析测定法,X射线
Since the 1980s, I participated in the research collaboration group of “China Plum Breeding Research” led by Prof. Chen Junyu of Beijing Forestry University. The division of labor serves as the research of China Gu Mei. In 10 years I visited Zhejiang, Anhui, Hubei, Guangdong, Yunnan 5 provinces, 10 counties, survey of 33 existing Cubs. In the course of the investigation, the most troublesome problem is the determination of the age of the tree. It is also common problems encountered in other ancient and famous trees research work. At present, the method of measuring the age at home and abroad is known to include the growth cone growth ring assay, the bark phloem analysis method, the X-ray