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铈对酸雨胁迫下水稻幼苗期防护与修复作用

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姚梦婕, 金琎. 铈对酸雨胁迫下水稻幼苗期防护与修复作用[J]. 环境化学, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
引用本文: 姚梦婕, 金琎. 铈对酸雨胁迫下水稻幼苗期防护与修复作用[J]. 环境化学, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
shu
YAO Mengjie, JIN Jin. Effects of cerium on the protection and repair of rice seedlings under acid rain stress[J]. Environmental Chemistry, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
Citation: YAO Mengjie, JIN Jin. Effects of cerium on the protection and repair of rice seedlings under acid rain stress[J]. Environmental Chemistry, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
shu

铈对酸雨胁迫下水稻幼苗期防护与修复作用

  • 1.

    苏州科技大学化生学院, 苏州, 215009

  • 基金项目:

    苏州市科技计划项目（SYN201413）和江苏省教育厅“高等学校大学生实践创新训练”（2014058）资助.

Effects of cerium on the protection and repair of rice seedlings under acid rain stress

  • 1.

    School of Chemistry and Biological Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China

  • Fund Project: Supported by the Suzhou Science and Technology Plan Projects (SYN201413) and Jiangsu Provincial Department of Education "College Students Practice Innovation Training" (2014058).

  • 摘要: 为进一步了解铈（Ce3+）对酸雨胁迫下植物的作用，采用溶液培养法探究Ce3+对酸雨胁迫下水稻幼苗（30 d）的抗氧化酶系统（过氧化物酶POD、超氧化物歧化酶SOD）、丙二醛（MDA）、氧自由基产生速率、硝酸还原酶（NR）、质膜透性和叶绿素含量的影响.结果显示，与对照相比，模拟酸雨（pH 3.0）胁迫下，水稻幼苗NR活性和叶绿素含量降低，POD、SOD、MDA、质膜透性和氧自由基产生速率升高；在水稻叶面喷施30 mg·L-1 Ce3+后，与酸雨组相比，防护组与修复组NR活性、叶绿素含量提高，POD、SOD、MDA、质膜透性和氧自由基产生速率降低.酸雨影响植物生长代谢，不利于植物健康生长.30 mg·L-1 Ce3+对酸雨胁迫下水稻幼苗各生理指标具有改善作用，可以减轻酸雨对植物的危害，而不同指标防护与修复的作用不同.
    Abstract: To further clarify the effects of Cerium (Ce3+) on plants caused by acid rain, the present work studied the effects of Ce3+ on the antioxidant enzyme system (peroxidase POD, superoxide dismutase SOD), malondialdehyde (MDA), oxygen free radical generation rate, nitrate reductase (NR), membrane permeability and chlorophyll content in rice seedlings (30 days) using hydroponic culture. The results showed that NR activity and chlorophyll content in rice seedlings under simulated acid rain (pH 3.0) decreased, whereas POD, SOD, MDA and oxygen free radicals generation rate increased by comarison with the control. After the rice seedlings foliar application of 30 mg·L-1 Ce3+, NR activity, chlorophyll content increased, POD, SOD, MDA, membrane penetration and oxygen free radical production rate decreased as compared with the simulated acid rain treatment group. Results indicate that acid rain could affect plant growth and metabolism, and then damage the healthy growth of plants. 30 mg·L-1 Ce3+ improved the various physiological indicators in rice seedlings under acid rain stress, and the damage caused by acid rain was relieved. The effects on different indicators were different from protection and repair.
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出版历程
  • 收稿日期:  2016-05-18
  • 刊出日期:  2016-12-15
姚梦婕, 金琎. 铈对酸雨胁迫下水稻幼苗期防护与修复作用[J]. 环境化学, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
引用本文: 姚梦婕, 金琎. 铈对酸雨胁迫下水稻幼苗期防护与修复作用[J]. 环境化学, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
shu
YAO Mengjie, JIN Jin. Effects of cerium on the protection and repair of rice seedlings under acid rain stress[J]. Environmental Chemistry, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
Citation: YAO Mengjie, JIN Jin. Effects of cerium on the protection and repair of rice seedlings under acid rain stress[J]. Environmental Chemistry, 2016, 35(12): 2553-2558. doi: 10.7524/j.issn.0254-6108.2016.12.2016051804
shu

铈对酸雨胁迫下水稻幼苗期防护与修复作用

  • 1. 苏州科技大学化生学院, 苏州, 215009
  • 收稿日期:  2016-05-18
基金项目:

苏州市科技计划项目（SYN201413）和江苏省教育厅“高等学校大学生实践创新训练”（2014058）资助.

摘要: 为进一步了解铈（Ce3+）对酸雨胁迫下植物的作用，采用溶液培养法探究Ce3+对酸雨胁迫下水稻幼苗（30 d）的抗氧化酶系统（过氧化物酶POD、超氧化物歧化酶SOD）、丙二醛（MDA）、氧自由基产生速率、硝酸还原酶（NR）、质膜透性和叶绿素含量的影响.结果显示，与对照相比，模拟酸雨（pH 3.0）胁迫下，水稻幼苗NR活性和叶绿素含量降低，POD、SOD、MDA、质膜透性和氧自由基产生速率升高；在水稻叶面喷施30 mg·L-1 Ce3+后，与酸雨组相比，防护组与修复组NR活性、叶绿素含量提高，POD、SOD、MDA、质膜透性和氧自由基产生速率降低.酸雨影响植物生长代谢，不利于植物健康生长.30 mg·L-1 Ce3+对酸雨胁迫下水稻幼苗各生理指标具有改善作用，可以减轻酸雨对植物的危害，而不同指标防护与修复的作用不同.

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