Growth and saikosaponin production of the medicinal herb Bupleurum chinense DC. under different levels of nitrogen and phosphorus

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	Growth and saikosaponin production of the medicinal herb Bupleurum chinense DC. under different levels of nitrogen and phosphorus
	Zhu Zaibiao; Liang Zonysuo; Han Ruilian; Liang, ZS
	2009
发表期刊	INDUSTRIAL CROPS AND PRODUCTS
卷号	29 期号:1 页码:96-101
摘要	Dried roots of Bupleurum spp. have been used medicinally in China for over 2000 years. The roots, which are called Bupleuri Radix, are used in at least 66% of the formulations/prescriptions in traditional Chinese medicine and Kampo medicine. Demand for Bupleuri Radix is increasing and B. chinense is one of the most important Bupleurum spp. in China. We conducted a 2-year pot experiment to investigate the effect of nitrogen (N) and phosphorus (P) fertilizer on biomass production and root saikosaponin a (SSa) and saikosaponin d (SSd) content of B. chinense. The experiment included seven combinations of N and P fertilizer. The results showed that medium levels of N and P fertilizer significantly increased the biomass and SSa content of B. chinense roots, but had no significant effect on root SSd content. The application of moderate amounts of N or P fertilizer increased total SSa and SSd yield significantly compared to the unfertilized control, but the greatest increase in total SSa and SSd yield occurred when N and P were applied together. This suggests that N and P have a synergistic effect on B. chinense growth and saikosaponin production. When high amounts of N and P fertilizer were used total SSa and SSd yields declined. This implied that there was a nutrient supply threshold for the biosynthesis of saikosaponins. Total SSa and SSd yields were greater in treatments which received only P fertilizer compared to treatments that received only N fertilizer. Our results reinforce the importance of soil testing and the application of recommended amounts N and P fertilizers for the cultivation of B. chinense. (C) 2008 Elsevier B.V. All rights reserved.
关键词	Bupleurum Chinense Dc. n And p Fertilizer Growth Saikosaponin
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	sbir.nwafu.edu.cn/handle/361005/4834
专题	水保所知识产出(1956---)
通讯作者	Liang, ZS
推荐引用方式 GB/T 7714	Zhu Zaibiao,Liang Zonysuo,Han Ruilian,et al. Growth and saikosaponin production of the medicinal herb Bupleurum chinense DC. under different levels of nitrogen and phosphorus[J]. INDUSTRIAL CROPS AND PRODUCTS,2009,29(1):96-101.
APA	Zhu Zaibiao,Liang Zonysuo,Han Ruilian,&Liang, ZS.(2009).Growth and saikosaponin production of the medicinal herb Bupleurum chinense DC. under different levels of nitrogen and phosphorus.INDUSTRIAL CROPS AND PRODUCTS,29(1),96-101.
MLA	Zhu Zaibiao,et al."Growth and saikosaponin production of the medicinal herb Bupleurum chinense DC. under different levels of nitrogen and phosphorus".INDUSTRIAL CROPS AND PRODUCTS 29.1(2009):96-101.

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