| 外源甜菜碱对盐胁迫下水稻幼苗光合功能的改善 |
| |
| 引用本文： | 赵华,曹云英,周蓉,季本华. 外源甜菜碱对盐胁迫下水稻幼苗光合功能的改善[J]. 华北农学报, 2006, 21(6): 72-74 |
| |
| 作者姓名： | 赵华 曹云英 周蓉 季本华 |
| |
| 作者单位： | 南通大学,生命科学学院,江苏,南通,226007;南通大学,生命科学学院,江苏,南通,226007;南通大学,生命科学学院,江苏,南通,226007;南通大学,生命科学学院,江苏,南通,226007 |
| |
| 基金项目： | 南通大学科研项目资助(02YL7) |
| |
| 摘 要： | 以水稻为试材,研究了盐胁迫下外源甜菜碱对水稻幼苗光合作用及抗盐生理生化特性的影响。结果表明:一定浓度范围内的甜菜碱可明显增强水稻对盐胁迫的抗性。外源甜菜碱能使叶片叶绿素a荧光诱导动力学参数Fv/Fo,Fv/Fm增高,说明外源甜菜碱有利于植物对光能的捕获和转换,明显促进植物生长,降低盐胁迫对植物的抑制作用;外源甜菜碱能增加过氧化物酶活性,延缓叶片叶绿素含量减少的趋势。
|
| 关 键 词： | 甜菜碱 叶绿素 叶绿素a荧光诱导动力学参数 |
| 文章编号： | 1000-7091（2006）06-0072-03 |
| 收稿时间： | 2006-07-22 |
| 修稿时间： | 2006-07-22 |
Exogenous Glycinebetaine Improves Photosynthesis of Rice Seedlings under Salt Stress |
| |
| ZHAO Hua,CAO Yun-ying,ZHOU Rong,JI Ben-hua. Exogenous Glycinebetaine Improves Photosynthesis of Rice Seedlings under Salt Stress[J]. Acta Agriculturae Boreali-Sinica, 2006, 21(6): 72-74 |
| |
| Authors: | ZHAO Hua CAO Yun-ying ZHOU Rong JI Ben-hua |
| |
| Affiliation: | College of Life Science, Nantong University, Nantong 226007, China |
| |
| Abstract: | Effect of exogenous glycinebetaine(GB)on the salt resistance of rice seedlings including photosynthetic characteristics was studied.The results showed that GB in the certain extent could obviously improve salt resistance of seedlings.GB could increase chlorophyll a fluorescence induction kinetics parameters Fv/Fo,Fv/Fm of leaves of rice seedling under salt stress and improve the growth and light energy conversion of rice seedlings.Exogenous GB could also increase POD activity and slowly reduce the content of chlorophyll. |
| |
| Keywords: | Glycinebetaine Chlorophyll Chlorophyll a fluorescence induction kinetics parameter |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
