Physiological and biochemical responses to saline-alkaline stress in two halophytic grass species with different photosynthetic pathways
文献类型：期刊论文
| 作者 | Guo, C. Y.; Wang, X. Z.; Chen, L.; Ma, L. N.; Wang, R. Z. |
| 刊名 | PHOTOSYNTHETICA
 |
| 出版日期 | 2015 |
| 卷号 | 53期号:1页码:128-135 |
| 关键词 | ATP content gas exchange membrane permeability Na2CO3 stress proline salinity |
| ISSN号 | 0300-3604 |
| DOI | 10.1007/s11099-015-0094-5 |
| 文献子类 | Article |
| 英文摘要 | We examined the physiological and biochemical responses of two halophytic grasses with different photosynthetic pathways, Puccinellia tenuiflora (C-3) and Chloris virgata (C-4), to saline-alkaline stresses. Plants were grown at different Na2CO3 concentrations (from 0 to 200 mM). Low Na2CO3 (< 12.5 mM) enhanced seed germination and plant growth, whereas high Na2CO3 concentrations (> 100 mM) reduced seed germination by 45% in P. tenuiflora and by 30% in C. virgata. Compared to C. virgata, P. tenuiflora showed lower net photosynthesis, stomatal conductance, intercellular CO2 concentration, and water-use efficiency under the same treatment. C. virgata exhibited also relatively higher ATP content, K+ concentration, and the K+/Na+ ratio under the stress treatments implying that salt tolerance may be the main mechanism for salt resistance in this species. Our results demonstrated that the C. virgata was relatively more resistant to saline-alkaline stress than the co-occurring P. tenuiflora; both two species adapt to their native saline-alkaline habitat by different physiological mechanisms. |
| 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 | WATER-STRESS ; SALT TOLERANCE ; MEMBRANE ; PROLINE ; DROUGHT ; PLANTS ; WHEAT ; ROOT ; ATP |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000349020700015 |
| 出版者 | SPRINGER |
| 资助机构 | National Scientific Foundation of China [31170304, 31070228] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/25606]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Wang, R. Z.] Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.[Wang, X. Z.] Indiana Univ Purdue Univ, Dept Biol, Indianapolis, IN 46202 USA 3.[Chen, L.] Hubei Normal Univ, Coll Life Sci, Huangshi 435002, Hubei, Peoples R China 4.[Guo, C. Y. 5.Ma, L. N. |
| 推荐引用方式 GB/T 7714 | Guo, C. Y.,Wang, X. Z.,Chen, L.,et al. Physiological and biochemical responses to saline-alkaline stress in two halophytic grass species with different photosynthetic pathways[J]. PHOTOSYNTHETICA,2015,53(1):128-135. |
| APA | Guo, C. Y.,Wang, X. Z.,Chen, L.,Ma, L. N.,&Wang, R. Z..(2015).Physiological and biochemical responses to saline-alkaline stress in two halophytic grass species with different photosynthetic pathways.PHOTOSYNTHETICA,53(1),128-135. |
| MLA | Guo, C. Y.,et al."Physiological and biochemical responses to saline-alkaline stress in two halophytic grass species with different photosynthetic pathways".PHOTOSYNTHETICA 53.1(2015):128-135. |
入库方式： OAI收割
来源：植物研究所
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