干旱区生态环境知识资源中心(Arid): Nitrogen Fertilizer Levels Affect the Growth and Quality Parameters of Astragalus mongolica

Arid

DOI	10.3390/molecules25020381
	Nitrogen Fertilizer Levels Affect the Growth and Quality Parameters of Astragalus mongolica
	Wang, Lingling 1,2,3; Yang, Lucun 1,2; Xiong, Feng 1,2,3; Nie, Xiuqing 1,2,3; Li, Changbin 1,2,3; Xiao, Yuanming 1,2,3; Zhou, Guoying 1,2
通讯作者	Zhou, Guoying
来源期刊	MOLECULES
EISSN	1420-3049
出版年	2020
卷号	25 期号:2
英文摘要	Owing to overexploitation, wild resources of Astragalus mongolica, a Chinese herbal plant that is widely distributed in the arid and semi-arid areas of Northern China, have gradually become exhausted, and therefore, commercial cultivation is increasingly important to meet the growing demand for astragalus and reduce the pressure on wild populations. Nitrogen level is an important factor that affects the yield and quality of A. mongolica. However, uniform standards for fertilization among production areas have not yet been determined. In this study, the effect of nitrogen fertilizer treatment on the yield and quality of A. mongolica in the Qinghai-Tibet Plateau was explored using a control treatment (no added nitrogen, N0) and five different nutrient levels: 37.5 kg/ha (N1), 75 kg/ha (N2), 112.5 kg/ha (N3), 150 kg/ha (N4), and 187.5 kg/ha (N5). According to grey relational analysis, the optimal nitrogen fertilizer treatment was the N4 level followed by the N5 and N2 levels. Nitrogen fertilizer significantly increased the root biomass, plant height, root length, and root diameter. However, nitrogen fertilization had no significant effect on the content of Astragaloside IV and mullein isoflavone glucoside. The content of ononin and calycosin continually accumulated throughout the growing period. The results showed that the ononin and calycosin content under N4 and N2 is higher than other levels and there is not significantly different between different nitrogen fertilizer levels about them. The content of formononetin decreased gradually with the progression of the growing season. The optimal nitrogen fertilizer treatment for A. mongolica is recommended to be 150 kg/ha and the content of active compounds and yield were observed to reach the maximum in October.
英文关键词	nitrogen fertilizer Astragaloside IV mullein isoflavone glucoside harvest time yield Qinghai-Tibet Plateau
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000515381800143
WOS关键词	YIELD ; L. ; MEMBRANACEUS ; RATES ; GRA ; IV
WOS类目	Biochemistry & Molecular Biology ; Chemistry, Multidisciplinary
WOS研究方向	Biochemistry & Molecular Biology ; Chemistry
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/315193
作者单位	1.Chinese Acad Sci, Key Lab Tibetan Med Res, Northwest Inst Plateau Biol, Xining 810008, Qinghai, Peoples R China; 2.Qinghai Key Lab Qinghai Tibet Plateau Biol Resour, Xining 810008, Qinghai, Peoples R China; 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang, Lingling,Yang, Lucun,Xiong, Feng,et al. Nitrogen Fertilizer Levels Affect the Growth and Quality Parameters of Astragalus mongolica[J],2020,25(2).
APA	Wang, Lingling.,Yang, Lucun.,Xiong, Feng.,Nie, Xiuqing.,Li, Changbin.,...&Zhou, Guoying.(2020).Nitrogen Fertilizer Levels Affect the Growth and Quality Parameters of Astragalus mongolica.MOLECULES,25(2).
MLA	Wang, Lingling,et al."Nitrogen Fertilizer Levels Affect the Growth and Quality Parameters of Astragalus mongolica".MOLECULES 25.2(2020).