|Table of Contents|

Study on Dynamic Accumulation of Dry Matter and Mineral Elements of Angelica pubescens Radix

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2025年1
Page:
68-74
Research Field:
Publishing date:

Info

Title:
Study on Dynamic Accumulation of Dry Matter and Mineral Elements of Angelica pubescens Radix
Author(s):
YANG Fuhong1; 2; LIU Xiangfeng3; XING Peng1; BAO Guojun1; ZHANG Yanzhu1; DU Tao2
(1.Pingliang Academy of Agricultural Sciences,Pingliang,Gansu 744000;2.College of Pharmacy,Gansu University of Chinese Medicine,Lanzhou,Gansu 730000;3.Shanghai Huma Biotechnology Co.Ltd.,Shanghai 200949)
Keywords:
Angelica pubescens Radix; dry matter; mineral elements; dynamic accumulation
PACS:
S 853.75
DOI:
10.11937/bfyy.20241829
Abstract:
Taking Angelica pubescens Radix as the test material,from April 4th to October 1st,a regular measurement method was adopted every 20 days to study the growth and dynamic changes of mineral nutrients in the roots of biennial Angelica pubescens Radix,in order to produce high-quality and high-yield medicinal materials through balanced fertilization,and provide reference for standardized planting of Angelica pubescens Radix.The results showed that the morphological indexes of Angelica pubescens Radix changed greatly at different growth stages，the plant height，leaf length，leaf width，leaf weight，main root length，main root diameter，number of lateral roots and root weight all showed an ‘S’ growth trend.There was a significant difference in the time point of turning change of each index，and the change of each index of the aboveground part was earlier than that of the underground part.The correlation analysis showed that the leaf weight (0.89)>leaf length (0.83)>plant height (0.76) was the most significant positive correlation order between root weight and aboveground indexes，and the number of lateral roots (0.93)>main root diameter (0.92)>main root length (0.91) was the most significant positive correlation order between root weight and underground indexes.The contents of 9 mineral elements in roots varied greatly at different growth stages and at the same time，and the peak value of each element appeared in different period.The two absorption peaks of N,P and K were from May 14th to June 23rd and from August 2nd to August 22nd，Fe，Mn，Zn and B from April 24th to May 14th and from June 23rd to August 2nd，and the microelement absorption peaks earlier than for major elements.It was suggested that leaf weight，leaf length and plant height should be selected as the first indexes of indirect selection.The major elements and microelement should be used reasonably during the peak period of mineral absorption，it was more advantageous to the growth and high-yield of Angelica pubescens Radix.

References:

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Last Update: 2025-01-16