干旱区生态环境知识资源中心(Arid): Influence of salt stress on propagation, growth and nutrient uptake of typical aquatic plant species

Arid

DOI	10.1111/njb.02411
	Influence of salt stress on propagation, growth and nutrient uptake of typical aquatic plant species
	Chen, Xin 1; Cheng, Xianwei 1; Zhu, Hui 1; Banuelos, Gary 2; Shutes, Brian 3; Wu, Haitao 1
通讯作者	Zhu, Hui
来源期刊	NORDIC JOURNAL OF BOTANY
ISSN	0107-055X
EISSN	1756-1051
出版年	2019
卷号	37 期号:12
英文摘要	Anthropogenic activities and natural causes contribute to an increase in the area and degree of degraded saline wetlands in arid/semi-arid and coastal regions. The objective of this study was to determine the salt tolerance of the seven aquatic plant species Phragmites australis, Arundo donax, Canna indica, Scirpus validus, Alternanthera philoxeroides, Phyllostachys heteroclada and Potederia cordata during asexual reproduction and continuous growth. The species were exposed to five salinity treatments from 0.3 (control) to 20 dS m(-1) during a 30 day experiment. Data were collected on asexual reproduction and growth, chlorophyll content in leaves, Na+ and K+ concentrations, total nitrogen (TN) and total phosphorus (TP) concentrations in above-ground biomass (AGB) and below-ground biomass (BGB). The results showed that: 1) increase in salinity (especially at a salinity level of EC >= 15 dS m(-1)) generally inhibited the capacity for asexual reproduction and reduced the chlorophyll content of leaves; 2) total dry biomass of plants was significantly negatively related to asexual reproduction; 3) species-specific salt tolerance mechanisms were reflected by the Na+ and K+ concentrations and Na+/K+ ratios in different parts of the plants; and 4) the absorption of TN and TP were inhibited at high salinity (i.e. EC = 20 dS m(-1)) in AGB and BGB of most tested plant species. However, salinity may enhance plant uptake of TN and TP under certain conditions (e.g. EC at 5, 10 and 15 dS m(-1)). In general, as compared to the other species tested, giant reed A. donax and alligator weed A. philoxeroides showed relatively high asexual reproduction and growth capacity under high salt stress, and these species should thus be considered as candidates for restoration of degraded saline wetlands and/or for decontaminating saline wastewater.
英文关键词	aquatic plants asexual propagation Na+ K+ nutrients uptake salt stress
类型	Article
语种	英语
国家	Peoples R China ; USA ; England
收录类别	SCI-E
WOS记录号	WOS:000506052000005
WOS关键词	FLOW CONSTRUCTED WETLANDS ; WASTE-WATER TREATMENT ; SEED-GERMINATION ; OSMOTIC-STRESS ; SALINITY ; TOLERANCE ; REMOVAL ; NA+ ; SODIUM ; TRANSPORTERS
WOS类目	Plant Sciences
WOS研究方向	Plant Sciences
EI主题词	2019-12-01
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/311214
作者单位	1.Chinese Acad Sci, Key Lab Wetland Ecol & Environm, Northeast Inst Geog & Agroecol, CN-130102 Changchun, Peoples R China; 2.ARS, USDA, San Joaquin Valley Agr Sci Ctr, Parlier, CA USA; 3.Middlesex Univ, Urban Pollut Res Ctr, London, England
推荐引用方式 GB/T 7714	Chen, Xin,Cheng, Xianwei,Zhu, Hui,et al. Influence of salt stress on propagation, growth and nutrient uptake of typical aquatic plant species[J],2019,37(12).
APA	Chen, Xin,Cheng, Xianwei,Zhu, Hui,Banuelos, Gary,Shutes, Brian,&Wu, Haitao.(2019).Influence of salt stress on propagation, growth and nutrient uptake of typical aquatic plant species.NORDIC JOURNAL OF BOTANY,37(12).
MLA	Chen, Xin,et al."Influence of salt stress on propagation, growth and nutrient uptake of typical aquatic plant species".NORDIC JOURNAL OF BOTANY 37.12(2019).