CO2浓度升高对干旱胁迫下小麦光合作用和抗氧化酶活性的影响

应用生态学报 ›› 2000, Vol. ›› Issue (6): 881-884.

CO₂浓度升高对干旱胁迫下小麦光合作用和抗氧化酶活性的影响

陈雄¹, 吴冬秀¹, 王根轩¹, 任红旭²

1. 兰州大学干旱农业生态国家重点实验室, 兰州730000;
2. 中国科学院兰州寒区旱区环境与工程研究所冰芯与寒区环境实验室, 兰州730000

收稿日期:1999-10-29 修回日期:2000-03-16 出版日期:2000-12-25
通讯作者: 陈雄,男,1972年生,硕士,助研,从事植物生理生态学及逆境生物学研究,发表论文多篇.E-mail:hxren@lzu.edu.cn
基金资助:
国家自然科学基金资助项目(39670139);中国科学院重点项目(B类)KZ952S1216)

Effect of elevated CO₂ concentration on photosynthesis and antioxidative enzyme activities of wheat plant grown under drought condition

CHEN Xiong¹, WU Dongxiu¹, WANG Genxuan¹, RRN Hongxu²

1. State Key Laboratory of Arid Agroecology, Lanzhou University, Lanzhou 730000;
2. Laboratory of Ice Core and Cold Region Environment, Cold and Arid Regions Envi ron mental and Engi neeri ng Research Instit ute, Chnese A cademy of Sciences, Lanzhou 730000

Received:1999-10-29 Revised:2000-03-16 Online:2000-12-25

摘要/Abstract

摘要： 在CO₂浓度分别为350μmol·mol^-1和倍增浓度(700μmol·mol^-1)的两个开顶式生长室内,研究了干旱胁迫下小麦(Triticum aestivum L.)光合作用和抗氧化酶活性的变化.结果表明,CO₂浓度升高显著提高了小麦的净光合速率,降低了蒸腾速率,提高了气孔阻力和水分利用效率.倍增CO₂浓度明显提高了SOD、POD及CAT酶活性,增强了小麦的抗氧化保护能力和抗旱性.

陈雄, 吴冬秀, 王根轩, 任红旭. CO₂浓度升高对干旱胁迫下小麦光合作用和抗氧化酶活性的影响[J]. 应用生态学报, 2000, (6): 881-884.

CHEN Xiong, WU Dongxiu, WANG Genxuan, RRN Hongxu. Effect of elevated CO₂ concentration on photosynthesis and antioxidative enzyme activities of wheat plant grown under drought condition[J]. Chinese Journal of Applied Ecology, 2000, (6): 881-884.

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CO₂浓度升高对干旱胁迫下小麦光合作用和抗氧化酶活性的影响

Effect of elevated CO₂ concentration on photosynthesis and antioxidative enzyme activities of wheat plant grown under drought condition

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