YIC-IR  > 中科院海岸带环境过程与生态修复重点实验室
Saline soil desalination by honeysuckle (Lonicera japonica Thunb.) depends on salt resistance mechanismKun
Yan, K; Xu, HL; Zhao, SJ; Shan, JJ; Chen, XB; Chen, XB (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China. kyan@yic.ac.cn; xbchen@yic.ac.cn
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
2016-03-01
Volume88Pages:226-231
KeywordPhytoremediation Root Na++ Extrusion Root Respiration Shoot Na++ Accumulation
DOI10.1016/j.ecoleng.2015.12.040
Contribution Rank[Yan, Kun; Shan, Jingjing; Chen, Xiaobing] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China; [Xu, Hualing] Dongying Acad Agr Sci, Dongying, Peoples R China; [Zhao, Shijie] Shandong Agr Univ, State Key Lab Crop Biol, Tai An, Shandong, Peoples R China
Department中科院海岸带环境过程与生态修复重点实验室
AbstractHoneysuckle (Lonicera japonica Thunb.) is a traditional medicinal plant in China. This study aimed to investigate the relation between salt tolerance mechanism in honeysuckle and phytodesalination of saline soil through field trial. In April, 2014, honeysuckle plants were transplanted to non-saline and moderate saline plots. Six months later, Na+ concentration, Na+ adsorption ratio and electrical conductance in tilth soil were significantly lowered by honeysuckle in moderate saline plots, suggesting that saline soil was desalinized. Due to the inhibition on plant growth, the estimated phytodesalination capacity by shoot Na+ accumulation was only 8.71 kg Na+ ha 1, which seemed very limited compared with succulent halophytes. Therefore, soil desalination by honeysuckle should depend on Na+ leaching rather than shoot Na+ accumulation. Respiration rate and Na+ extrusion in roots were elevated by salinity, and they were significantly and positively correlated, indicating the importance of root respiration for resisting Na+ uptake. The elevated root respiration might aid in dissolving calcite by releasing more CO2 into soil, and consistently, Ca2+ concentration in tilth soil was remarkably increased by honeysuckle in moderate saline plots in contrast to no significant change in non-saline plots. As a result, Na+ leaching could be facilitated, as Na+ at the exchange site would be efficiently replaced by Ca2+. In conclusion, salt-induced elevation of root respiration enhanced salt resistance of honeysuckle by increasing Na+ extrusion and could assist in desalinizing saline soil by improving Na+ leaching. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordSODIC SOILS ; PHYSIOLOGICAL ANALYSIS ; MINERAL-COMPOSITION ; PHENOLIC-COMPOUNDS ; FLOATING SYSTEM ; SUAEDA-SALSA ; TOLERANCE ; STRESS ; LEAVES ; PHYTOREMEDIATION
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS IDWOS:000369691900021
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/10857
Collection中科院海岸带环境过程与生态修复重点实验室
Corresponding AuthorYan, K; Chen, XB (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China. kyan@yic.ac.cn; xbchen@yic.ac.cn
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat
2.Dongying Acad Agr Sci
3.Shandong Agr Univ, State Key Lab Crop Biol
Recommended Citation
GB/T 7714
Yan, K,Xu, HL,Zhao, SJ,et al. Saline soil desalination by honeysuckle (Lonicera japonica Thunb.) depends on salt resistance mechanismKun[J]. ECOLOGICAL ENGINEERING,2016,88:226-231.
APA Yan, K.,Xu, HL.,Zhao, SJ.,Shan, JJ.,Chen, XB.,...&xbchen@yic.ac.cn.(2016).Saline soil desalination by honeysuckle (Lonicera japonica Thunb.) depends on salt resistance mechanismKun.ECOLOGICAL ENGINEERING,88,226-231.
MLA Yan, K,et al."Saline soil desalination by honeysuckle (Lonicera japonica Thunb.) depends on salt resistance mechanismKun".ECOLOGICAL ENGINEERING 88(2016):226-231.
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