不同树龄忍冬的生长与药材质量关系研究

目的 研究忍冬个体生长与药材质量的关系。方法 调查忍冬不同树龄的形态指标，分析花蕾中绿原酸的含量的变化动态。结果 金银花药材的质量与其忍冬树龄关系密切。不同树龄忍冬，萌发新枝能力与花蕾生长不同，其质量差异较大。综合产量和绿原酸含量的因素，金银花药材以忍冬树龄9～15年较好。结论 保证金银花优质、高产的关键技术是：随树龄增长，适时调整密度，在GAP基地建设中，对不同树龄植株要分类管理。本研究对人工栽培多年生药材的研究与管理具有指导意义。

Studies on relationship between growth of Lonicerae japonica and their quality of crude drug at different tree ages

Object To mainly deal with the relationship between the growth of Lonicera japonica Thunb. and the quality of crude drug. Methods By investigating the form index and the growth trend at different tree ages of plants, the content of chlorogentic acid in flower buds of Flos Lonicerae at different harvest times were analyzed. Results The crude drug quality of Flos Lonicerae is closely related to its growth and development. Conclusion The research results show that the yield and quality of Flos Lonicerae have remarkable differences at different tree ages, there are difference in ability of sprouting and growing of flower bud. Considering the yield and the content of chlorogentic acid in flower buds, the quality of Flos Lonicerae is the better in the tree age of 9-15 years. The key techniques to insure the quality and high yield are adjusting density timing and managing different tree ages as the growth of plant in construction of GAP bases. The research results have a signification to guide the management and study of cultivated perennial crude drug.