干旱区生态环境知识资源中心(Arid): Water transport and water use efficiency differ among Populus euphratica Oliv. saplings exposed to saline water irrigation

Arid

DOI	10.1007/s40333-019-0002-0
	Water transport and water use efficiency differ among Populus euphratica Oliv. saplings exposed to saline water irrigation
	Zhou Honghua 1,2; Chen Yaning1,2 ; Zhu Chenggang 1; Yang Yuhai 1,2; Ye Zhaoxia 1
通讯作者	Ye Zhaoxia
来源期刊	JOURNAL OF ARID LAND
ISSN	1674-6767
EISSN	2194-7783
出版年	2019
卷号	11 期号:6 页码:866-879
英文摘要	Populus euphratica Oliv. is a unique woody tree that can be utilized for vegetation restoration in arid and semi-arid areas. The effects of saline water irrigation (0.00, 2.93, 8.78 and 17.55 g/L NaCl solutions) on water transport and water use efficiency (WUE) of P. euphratica saplings were researched in 2011 in Urumqi, Xinjiang, China for improving the survival of P. euphratica saplings and vegetation restoration in arid and semi-arid areas. Results showed that hydraulic conductivity and vulnerability to cavitation of P. euphratica saplings were more sensitive in root xylem than in twig xylem when irrigation water salinity increased. Irrigation with saline water concentration less than 8.78 g/L did not affect the growth of P. euphratica saplings, under which they maintained normal water transport in twig xylem through adjustment of anatomical structure of vessels and kept higher WUE and photosynthesis in leaves through adjustment of stomata. However, irrigation with saline water concentration up to 17.55 g/L severely inhibited the photochemical process and WUE of P. euphratica saplings, resulting in severe water-deficit in leaves and a sharp reduction in water transport in xylem. Thus, it is feasible to irrigate P. euphratica forest by using saline groundwater for improving the survival of P. euphratica saplings and vegetation restoration in arid and semi-arid areas of Xinjiang, China.
英文关键词	photosynthesis photochemical process water use efficiency hydraulic conductivity cavitation resistance
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	Bronze
收录类别	SCI-E
WOS记录号	WOS:000492718900002
WOS关键词	ROOT HYDRAULIC CONDUCTIVITY ; SODIUM-CHLORIDE ; SALT-RESISTANT ; STRESS ; TOLERANCE ; GROWTH ; PLANTS ; NACL ; CONDUCTANCE ; AQUAPORINS
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
EI主题词	2019-10-28
来源机构	中国科学院新疆生态与地理研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/310364
作者单位	1.Chinese Acad Sci, State Key Lab Desert & Oasis Ecol, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China; 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhou Honghua,Chen Yaning,Zhu Chenggang,et al. Water transport and water use efficiency differ among Populus euphratica Oliv. saplings exposed to saline water irrigation[J]. 中国科学院新疆生态与地理研究所,2019,11(6):866-879.
APA	Zhou Honghua,Chen Yaning,Zhu Chenggang,Yang Yuhai,&Ye Zhaoxia.(2019).Water transport and water use efficiency differ among Populus euphratica Oliv. saplings exposed to saline water irrigation.JOURNAL OF ARID LAND,11(6),866-879.
MLA	Zhou Honghua,et al."Water transport and water use efficiency differ among Populus euphratica Oliv. saplings exposed to saline water irrigation".JOURNAL OF ARID LAND 11.6(2019):866-879.