中国中药杂志

2020, v.45(21) 5150-5159

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根际土壤无机元素与川芎“菊花心”纹理形成的关联性研究
Relationship between inorganic elements in rhizosphere soil and rhizome radial striations in Ligusticum chuanxiong

李芳琼;何冬梅;王海;方千;伍艳红;严铸云;
LI Fang-qiong;HE Dong-mei;WANG Hai;FANG Qian;WU Yan-hong;YAN Zhu-yun;Key Laboratory of Standardization of Traditional Chinese Medicinal Herbs Co-sponsored by Province and Ministry of Education,State Key Laboratory and Breeding Base of Systematic Research, Development and Utilization of Traditional Chinese Medicine Resource Co-sponsored by Province and Ministry of Education, Chengdu University of Traditional Chinese Medicine;

摘要(Abstract):

为了揭示川芎根际土壤无机元素在其生长周期内的含量变化规律,探究川芎"菊花心"性状形成与土壤元素波动之间的关联性,该研究对川芎生长期内的根茎进行连续取样观察,同期利用X射线荧光光谱法(XRF)跟踪测定"非菊花心""菊花心"川芎生长过程中根际土中26种无机元素的含量并作差异分析。结果发现,"非菊花心"川芎、"菊花心"川芎根际元素含量变化呈现出不同的"关键期"和"关键波动元素",以及差异性的元素协同和拮抗关系。非菊花心组根际土元素关键波动时期主要在0~60 d及60~150 d,其中钠(Na)、镁(Mg)、铝(Al)等22种元素是0~60 d的关键变化元素,锶(Sr)、铪(Hf)、铅(Pb)、钴(Co)、铈(Ce)5种元素是60~150 d的关键变化元素;菊花心组根际土元素关键波动时期主要在0~60 d及210~270 d,其中钠(Na)、钴(Co)、铈(Ce)、砷(As)4种元素是0~60 d的关键变化元素;镁(Mg)、铝(Al)、硅(Si)等18种元素是210~270 d的关键变化元素。同时该研究发现,根际土中多种无机元素的波动规律与川芎生长发育进程及"菊花心"形成的关键时期相吻合。栽种后60~150 d为根茎侧芽快速生长进而影响"菊花心"形成的关键时期,此时期内非菊花心组Sr,Co元素积累增加很可能是导致根茎侧芽膨大无法形成典型"菊花心"纹理的重要原因。
The study is aimed to reveal the fluctuation of the inorganic elements in the rhizosphere soil of Ligusticum chuanxiong during their whole growth period, and explore the relationship between that fluctuation and the formation of radial striations character in the rhizomes. During the cultivation period of L. chuanxiong, the rhizosphere soil samples were taken regularly, and the content of 26 inorganic elements were determined by X-ray fluorescence spectrometry(XRF). Then the difference between the radial striations and un-radial striations rhizomes were analyzed for their fluctuation of the inorganic elements. The results showed that there were different "key period" and "key elements" in the rhizosphere elements content of L. chuanxiong rhizome with radial and un-radial striations, and different element coordination and antagonistic relationship. The key fluctuation period of rhizosphere elements in un-radial striations group were in 0-60 and 60-150 days, of which 22 elements such as Na, Mg, Al were the key elements in 0-60 days, and 5 elements such as Sr, Hf, Pb, Co, Ce were the key elements in 60-150 days. The key fluctuation period of rhizosphere elements in radial striations group were in 0-60 and 210-270 days, of which four elements such as Na, Co, Ce, As are the key change elements in 0-60 days, and 18 elements such as Mg, Al, Si are the key change elements in 210-270 days. At the same time, the study showed that the fluctuation of inorganic elements in rhizosphere soil coincided with the growth and development process of L. chuanxiong and the key period of the formation of "radial striations rhizome". The key stage which the rapid growth of lateral buds of rhizome affected the formation of radial striations is 60-150 days after planting, while the increase of Sr and Co elements is likely to be an important reason for the expansion of lateral buds of rhizome and the failure to form typical "radial striations rhizome" in un-radial striations group.

关键词(KeyWords): 川芎;根际土;无机元素;菊花心;X射线荧光光谱法
Ligusticum chuanxiong;rhizosphere soil;inorganic elements;radial striations;X-ray fluorescence spectrometry

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金面上项目(81673553);; 四川省科技厅项目(2017RZ0054);; 中央本级重大增减支项目(2060302);; 成都中医药大学杏林人才计划项目(030041141)

作者(Author): 李芳琼;何冬梅;王海;方千;伍艳红;严铸云;
LI Fang-qiong;HE Dong-mei;WANG Hai;FANG Qian;WU Yan-hong;YAN Zhu-yun;Key Laboratory of Standardization of Traditional Chinese Medicinal Herbs Co-sponsored by Province and Ministry of Education,State Key Laboratory and Breeding Base of Systematic Research, Development and Utilization of Traditional Chinese Medicine Resource Co-sponsored by Province and Ministry of Education, Chengdu University of Traditional Chinese Medicine;

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DOI: 10.19540/j.cnki.cjcmm.20200813.101

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