Positive correlation between potassium uptake and salt tolerance in wheat
文献类型：期刊论文
| 作者 | Cheng, D.; Wu, G.; Zheng, Y. |
| 刊名 | PHOTOSYNTHETICA
 |
| 出版日期 | 2015 |
| 卷号 | 53期号:3页码:447-454 |
| 关键词 | gas exchange malondialdehyde peroxidase reactive oxygen species Triticum aestivum L. |
| ISSN号 | 0300-3604 |
| DOI | 10.1007/s11099-015-0124-3 |
| 文献子类 | Article |
| 英文摘要 | The aim of our study was to answer whether any positive correlation exists between K+ uptake and salt tolerance in wheat. We carried out a sand-culture experiment with salt-tolerant, DK961 (ST), and salt-sensitive, JN17 (SS), wheat cultivars, where photosynthesis, the K+/Na+ ratio, growth, and the biomass yield were examined. The seeds were exposed for four weeks to six NaCl concentrations (50, 100, 150, 200, 250, and 300 mM), which were embodied in the Hoagland solution. Salinity-induced decrease of K+ or increase in the Na+ content was much smaller in ST than that in SS. The reductions in the light-saturated photosynthetic rate (P (Nmax)) and chlorophyll content caused by salinity were smaller in the ST compared to SS. Stomatal conductance decreased in both cultivars under saline conditions; nevertheless, it was lower in SS than in ST. The antioxidative capacity was higher in ST than that in SS under saline conditions. Significant positive correlations were observed in both cultivars between K+ contents and P (Nmax)/biomass yields. We suggest that higher-affinity K+ uptake might play a key role in higher salt tolerance and it might be a reliable indicator for breeding new species of salt-tolerant wheat. |
| 学科主题 | Plant Sciences |
| 出版地 | DORDRECHT |
| 电子版国际标准刊号 | 1573-9058 |
| WOS关键词 | HIGH-AFFINITY POTASSIUM ; TRITICUM-AESTIVUM L. ; ARABIDOPSIS ROOTS ; K+-TRANSPORT ; SODIUM-TRANSPORT ; SALINITY STRESS ; WATER-STRESS ; PLANTS ; NA+ ; BARLEY |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000358411000015 |
| 出版者 | SPRINGER |
| 资助机构 | National Natural Science Foundation of China [31170367] ; Chinese Academy of Sciences [KSZD-EW-Z-012] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/25809]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.[Cheng, D. 2.[Cheng, D.] Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Wu, G. 4.Zheng, Y.] Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cheng, D.,Wu, G.,Zheng, Y.. Positive correlation between potassium uptake and salt tolerance in wheat[J]. PHOTOSYNTHETICA,2015,53(3):447-454. |
| APA | Cheng, D.,Wu, G.,&Zheng, Y..(2015).Positive correlation between potassium uptake and salt tolerance in wheat.PHOTOSYNTHETICA,53(3),447-454. |
| MLA | Cheng, D.,et al."Positive correlation between potassium uptake and salt tolerance in wheat".PHOTOSYNTHETICA 53.3(2015):447-454. |
入库方式： OAI收割
来源：植物研究所
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