FANG Qian,YAN Zhu-yun,LYU Hong-yang,et al.Research on Natural Boundary of Traditional Geo-authentic Origin of Ligusticum chuanxiong via Soil Elements Characteristics Along Same Longitude[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(18):145-153.
FANG Qian,YAN Zhu-yun,LYU Hong-yang,et al.Research on Natural Boundary of Traditional Geo-authentic Origin of Ligusticum chuanxiong via Soil Elements Characteristics Along Same Longitude[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(18):145-153. DOI: 10.13422/j.cnki.syfjx.20201914.
Research on Natural Boundary of Traditional Geo-authentic Origin of Ligusticum chuanxiong via Soil Elements Characteristics Along Same Longitude
To find the natural environmental boundary of the origin of the authentic
Ligusticum chuanxiong
by analyzing the distribution characteristics of soil elements in the traditional geo-authentic area and the southern continuous expanding areas along the same longitude.
Method
2
The contents of 24 elements both in soil and plant
L. chuanxiong
samples were determined by using X-ray fluorescence spectrometry (XRF) and ICP-MS,etc. Spearman correlation test was used to evaluate the correlations of rhizosphere soil and each portion of
L. chuanxiong
,to screen out “characteristic elements”. Bray-Curtis similarity indexes based on all elements and "characteristic elements" were used for hierarchical cluster analysis of soil samples
to identify the sample range with similar soil element charateristics to the traditional geo-authentic area of
L. chuanxiong
.
Result
2
K,Mg,Mn and Rb elements were significantly correlated in rhizosphere soil and plant
L. chuanxiong
. Geographical differentiation of all elements and four characteristic elements showed that there was a highest similarity between geo-authentic area and its neighbor plots S1-S6 (except plot S4) in soil elements distribution
followed by plots S14-S16. The middle section plots S7-S13 in the expansion areas were quite different from the traditional geo-authentic production areas.
Conclusion
2
The soil element characteristics in the study areas were not completely controlled by geographical distance,but demonstrated the "fault" variation in the areas along longitude. This study provides a theoretical basis for the detrrmination of suitable cultivation area for Ligusticum Chuanxiong
and the natural boundary of its geo-authentic area may be extended an additional 60 km southward along longitude beyond the traditional origin. Additionally, K,Mg,Mn and Rb characteristic elements may be the potential markers to evaluate the suitable soil environment for cultivating
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Related Author
WANG Hai
HE Dongmei
LYU Hongyang
HAN Guiqi
YAN Zhuyun
Hua LI
Guoying HUANG
Mingxiao ZHANG
Related Institution
College of Medical Technology, Chengdu University of Traditional Chinese Medicine
State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China
Institute of Chinese Materia Medica,China Academy of Chinese Medical Sciences