|Table of Contents|

Effects of Elevated CO2 Concentration and Nitrogen Deposition on the Growth and Its Medicinal Components of Reineckia carnea Kunth

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年06
Page:
104-111
Research Field:
Publishing date:

Info

Title:
Effects of Elevated CO2 Concentration and Nitrogen Deposition on the Growth and Its Medicinal Components of Reineckia carnea Kunth
Author(s):
HUANG Xingmin1; DENG Xiaohong1; PENG Hailan1; WANG Jianjian1; 2
(1.College of Life Sciences/Institute of Agro-bioengineering,Guizhou University,Guiyang,Guizhou 550025;2.Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education),Guiyang,Guizhou 550025)
Keywords:
carbon dioxide; nitrogen deposition;  Reineckia carnea Kunth;  medicinal ingredients
PACS:
-
DOI:
10.11937/bfyy.20222659
Abstract:
Taking Reineckia carnea（Andr.）Kunth,a commonly used medicinal herb of the Miao nationality,as the research object,the pot control experiment was carried out,and four treatments were set up,including control (CK),carbon dioxide increase alone (eC:CO2 concentration ((800±20)μmol ? mol-1),nitrogen application alone (eN: application of 5 g NH4NO3),carbon dioxide increase and nitrogen application simultaneously (eC+eN:CO2 concentration (800±20)μmol ? mol-1,and application of 5 g NH4NO3),the effects of elevated CO2 concentration,nitrogen deposition and their interaction on the growth and medicinal components of Reineckia carnea（Andr.） Kunth were studied,in order to provide reference for the medicinal production of Reineckia carnea（Andr.） Kunth.The results showed that,1) increasing CO2 concentration and nitrogen application or simultaneously increasing CO2 concentration and nitrogen application significantly promoted the morphological growth,total biomass and soluble protein content significantly increased,carbon content in stem significantly decreased,and super oxide dismuta (SOD) activity had no significant change.2) Under nitrogen application,the total nitrogen content increased significantly,Catalase (CAT) activity and saponin content in roots and leaves decreased significantly.On this basis,increasing CO2concentration could alleviate the decline of saponin,CAT activity increased significantly,and endogenous hormone content increased significantly under nitrogen application or simultaneously increasing CO2 concentration and nitrogen application.In the actual production process,the concentration of CO2 can be appropriately increased,but the concentration of nitrogen should not be too high,which is beneficial to the growth of Reineckia carnea Kunth and ensure its medicinal quality is not damaged.

References:

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Last Update: 2023-04-19