Balance between salt stress and endogenous hormones influence dry matter accumulation in Jerusalem artichoke
Shao, TY; Li, LL; Wu, YW; Chen, MX; Long, XH; Shao, HB; Liu, ZP; Rengel, Z; Long, XH (reprint author), Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Jiangsu, Peoples R China.; Shao, HB (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China. Email:longxiaohua@njau.edu.cn; shaohongbochu@126.com
2016-10-15
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号568页码:891-898
产权排序[Shao, Tianyun; Li, Lingling; Wu, Yawen; Chen, Manxia; Long, Xiaohua; Liu, Zhaopu] Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Jiangsu, Peoples R China; [Shao, Hongbo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Shao, Hongbo] Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China; [Rengel, Zed] Univ Western Australia, Soil Sci & Plant Nutr, Sch Earth & Environm, 35 Stirling Highway, Crawley, WA 6009, Australia
摘要Salinity is one of the most serious environmental stresses limiting agricultural production. Production of Jerusalem artichoke on saline land is strategically important for using saline land resources. The interaction between plant hormones and salinity stress in governing Jerusalem artichoke (Helianthus tuberosus) growthisunclear. Jerusalem artichoke (variety Nanyu-1) was grown under variable salinity stress in the field, and a role of endogenous hormones [zeatin (ZT), auxins (IAA), gibberellins (GA(3)) and abscisic acid (ABA)] in regulating sugar and dry matter accumulation in tubers was characterized. Under mild salt stress (<= 2.2 g NaCl kg(-1) soil), Nanyu-1 grew well with no significant alteration of dry matter distribution to stems and tubers. In contrast, under moderate salt stress (2.7 g NaCl kg(-1) soil), the distribution to stem decreased and to tubers decreased significantly. Mild salt stress induced sugar accumulation in tubers at the beginning of the tuber-expansion period, but significantly inhibited (i) transfer of non-reducing sugars to tubers, and (ii) polymerization and accumulation of fructan during the tuber-expansion stage. Under different salinity stress, before the stolon growth, the ratio of IAA/ABA in leaves increased significantly and that of GA(3)/ABA increased slightly; during tuber development, these ratios continued to decrease and reached the minimum late in the tuber-expansion period. While, salt stress inhibited (i) underground dry matter accumulation, (ii) tuber dry matter accumulation efficiency, (iii) transport of non-reducing sugars to tubers, and (iv) fructan accumulation efficiency during the tuber-expansion period; these effects were accompanied by significantly decreased tuber yield with an increase in salinity. With soil salinity increasing, the synthesis of IAA and GA(3) was inhibited in leaves and tubers, while ABA synthesis was stimulated. In brief, tuber yield would significantly decreased with the increase of salinity. (C) 2016 Elsevier B.V. All rights reserved.
关键词Jerusalem Artichoke Tuber Dry Matter Endogenous Phytohormones Salt Stress
作者部门海岸带生物学与生物资源利用所重点实验室
DOI10.1016/j.scitotenv.2016.06.076
项目资助者Jiangsu Agricultural Science and Technology Independent Innovation Fund Project(CX(15)1005 ; National Natural Science Foundation of China(41171216) ; Shuangchuang Talent Plan of Jiangsu Province ; National Key Project of Scientific and Technical Supporting Programs - Ministry of Science & Technology of Jiangsu Province(BE2014374 ; Fundamental Research Funds For Central University(KYE201623) ; CX(12)1005-1) ; BY2015071-03)
收录类别SCI
关键词[WOS]HELIANTHUS-TUBEROSUS L. ; SOLID-PHASE EXTRACTION ; SOIL ; PLANT ; CROP ; CHROMATOGRAPHY ; BIOREFINERY ; BIOMASS ; POTATO ; FOREST
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS记录号WOS:000382258300089
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/17131
专题海岸带生物学与生物资源利用所重点实验室
通讯作者Long, XH (reprint author), Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Jiangsu, Peoples R China.; Shao, HB (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China. Email:longxiaohua@njau.edu.cn; shaohongbochu@126.com
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Shao, TY,Li, LL,Wu, YW,et al. Balance between salt stress and endogenous hormones influence dry matter accumulation in Jerusalem artichoke[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,568:891-898.
APA Shao, TY.,Li, LL.,Wu, YW.,Chen, MX.,Long, XH.,...&shaohongbochu@126.com.(2016).Balance between salt stress and endogenous hormones influence dry matter accumulation in Jerusalem artichoke.SCIENCE OF THE TOTAL ENVIRONMENT,568,891-898.
MLA Shao, TY,et al."Balance between salt stress and endogenous hormones influence dry matter accumulation in Jerusalem artichoke".SCIENCE OF THE TOTAL ENVIRONMENT 568(2016):891-898.
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