Preprints
https://doi.org/10.5194/soil-2021-37
https://doi.org/10.5194/soil-2021-37

  17 May 2021

17 May 2021

Review status: this preprint is currently under review for the journal SOIL.

The geographical distribution of soil elements determines the boundaries of the Daodi-zone of medicinal plant (Ligusticum chuanxiong Hort.)

Hongyang Lv1,2, Hai Wang1,2,3, Qian Fang1,2, Lei Kang1,2, Guiqi Han1,3, Xiaorui Zhang1,2, Qin Si3, Dongmei He1,2,4, and Zhuyun Yan1,2 Hongyang Lv et al.
  • 1State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu,611137, People’s Republic of China
  • 2Pharmacy College,Chengdu University of Traditional Chinese Medicine;The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine;Key Laboratory of Systematic Research,Development and Utilization of Chinese Medicine Resources in Sichuan Province-Key Laboratory Breeding Base of Co-founded by Sichuan Province and MOST
  • 3College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, People’s Republic of China
  • 4Center for Post-doctoral research, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, State Key Laboratory Breeding Base of Dao-di Herbs, Beijing 100700, China

Abstract. Understanding the boundary of plants' best production zone is of great significance to the rational introduction cultivation. We set up 9 sample points in the center-zone and 28 sample points extending eastward along the longitude. Then, we were collecting the bulk soil of L.chuanxiong, testing soil properties and elements. Later, a multi-point cultivation test was carried out on L.chuanxiong, the content of elements in the plant measured by ICP-MS, and HPLC detected the active ingredients. Based on hierarchical clustering and PCA analysis, the study zone's soil element was divided into three groups. In the L.chuanxiong cultivation experiments, we found Ligustilide in rhizomes was positively related to Se and Sr and negatively related to Mn and the chemical elements. This study successfully verified that the medicinal plant's Daodi-zone has a natural boundary, and L.chuanxiong's Daodi-zone may be from east of Dujiangyan to the west edge of Longquan, rich in Na, Mg, K and Low Mn is the soil characteristics of the area. Moreover, we put forward a method to identify L.chuanxiong's Daodi-zone based on characteristic soil elements, which can also provide a practical basis for dividing other economic plants' growth environment.

Hongyang Lv et al.

Status: open (until 19 Jul 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on soil-2021-37', Anonymous Referee #1, 02 Jun 2021 reply
    • RC2: 'Reply on RC1', Anonymous Referee #1, 02 Jun 2021 reply

Hongyang Lv et al.

Hongyang Lv et al.

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Short summary
This study successfully verified the best production zone of medicinal plant has a natural boundary. Moreover, we put forward the method of identifying the suitable growth area of L.chuanxiong based on soil elements, which can also provide a practical basis for dividing other economic plants' growth environment with narrow appropriate growth areas.