| 渗透胁迫诱导水稻幼苗的氧化伤害 |
| |
| 引用本文： | 蒋明义,杨文英.渗透胁迫诱导水稻幼苗的氧化伤害[J].作物学报,1994,20(6):733-738. |
| |
| 作者姓名： | 蒋明义 杨文英 |
| |
| 作者单位： | 新疆八一农学院生物部，新疆乌鲁木齐，830052 |
| |
| 摘 要： | 水稻幼苗在渗透胁迫下，随着胁迫强度的增加及时间的延长，O2和H2O2大量产生，膜脂过氧化加剧，细胞膜的完整性受到破坏，离子大量外泄；严重渗透胁迫亦使叶绿素——蛋白质复合体结合松弛，叶绿素含量明显降低。活性氧清除剂α-生育酚、抗坏血酸及甘露醇可阴抑渗透胁迫所诱导的丙二醛增生，减少叶绿素的氧化破坏。这些结果表
|
| 关 键 词： | 渗透胁迫，活性氧，膜脂过氧化，氧化伤害，水稻 |
| 收稿时间： | 1993-02-26 |
| 修稿时间： | 1993-09-28 |
Osmotic Stress-Induced Oxidative Injury of Rice Seedlings |
| |
| Jiang Ming-yi Yang Wen-ying Xu Jiang Chen Qiao-yun.Osmotic Stress-Induced Oxidative Injury of Rice Seedlings[J].Acta Agronomica Sinica,1994,20(6):733-738. |
| |
| Authors: | Jiang Ming-yi Yang Wen-ying Xu Jiang Chen Qiao-yun |
| |
| Institution: | Department of Biological Basic Sciences, August Ist Agricultural College of Xinjiang, Urumqi, 830052 |
| |
| Abstract: | The effects of osmotic stress induced by PEG 6000(-0.5Mpa, -0.8MPa) on the contents of superoxide radical (O2) and hydrogen peroxide (H2O2), membrane-lipid peroxidation, chlorophyll-protein binding degree and chlorophyll content, and permeability of plasma membrane in rice seedlings were studied. Th |
| |
| Keywords: | Osmotic stress Active oxygen Lipid peroxidation Oxidative injury Rice |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《作物学报》浏览原始摘要信息 |
| 点击此处可从《作物学报》下载免费的PDF全文 |
