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不同栽培居群板蓝根性状及显微特征的变异研究
引用本文:刘盛,乔传卓. 不同栽培居群板蓝根性状及显微特征的变异研究[J]. 中草药, 1999, 30(5): 368-370
作者姓名:刘盛  乔传卓
作者单位:第二军医大学药学院,上海200433
摘    要:为了探讨菘蓝Isatis indigotica Fort.与生药鉴定有关的种内变异,对19个不同栽培居群的板蓝根样品进行了实验研究。结果表明:不同居群的板蓝根在性状上可分为胶质和粉质两大类,它们的显微组织特征虽基本相同,但淀粉粒的大小、复粒数量占淀粉粒总数的比例不仅在两大类之间有显著差异,不同居群之间也有较明显的差异。聚类分析结果显示:不同栽培居群板蓝根性状特征的改变与淀粉粒特征的改变有关。经异地

关 键 词:菘蓝 板蓝根 性状特征 显微特征 变异 栽培居群
收稿时间:1998-08-10

Studies on Variation of Character and Microstructure of Indigoblue Woad Root (Isatis indigotica) Among Different Cultivated Populations
Liu Sheng and Qiao Chuanzhuo. Studies on Variation of Character and Microstructure of Indigoblue Woad Root (Isatis indigotica) Among Different Cultivated Populations[J]. Chinese Traditional and Herbal Drugs, 1999, 30(5): 368-370
Authors:Liu Sheng and Qiao Chuanzhuo
Affiliation:College of Pharmacy, Second Military Medical University, Shanghai 200433;College of Pharmacy, Second Military Medical University, Shanghai 200433
Abstract:For the purpose to explore the variations occurred in the cultivation of Isatis indigotica Fort. that may affect its pharmacognostic identification, 19 samples of Radix Isatidis from different cultivated populations were collected and examined. On characteristic features, these samples could be classified into two categorys: those that were gummy and those that were starchy. On microstructural examination, they were essentially similar, but with different sizes of starch grains and ratio between the number of compounded starch grains to the number of total starch grains. Result of clustering analysis showed that the variations of starch grains and change of character were interrelated. Experiment of field cultivation in different localities proved that the variation might be genetically related. In addition, polarizing phenomenon could be observed in all starch grains of different samples. Semi-compound starch grains or multihilum simple starch grains were not found by polarizing microscope.
Keywords:Isatis indigotica Fort. Radix Isatidis  variations in cultivated species
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