[1]吕金海,舒孝顺,刘鹏,等.NaCl胁迫对鱼腥草光合作用的影响[J].北方园艺,2012,36(05):176-178.
　LV Jin-hai,SHU Xiao-shun,LIU Peng,et al.Effects of NaCl Stress on Photosynthesis of Houttuynia cordata Thunb[J].Northern Horticulture,2012,36(05):176-178.

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NaCl胁迫对鱼腥草光合作用的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第36卷期数: 2012年05期页码: 176-178 栏目: 出版日期: 2012-05-16

Title:: Effects of NaCl Stress on Photosynthesis of Houttuynia cordata Thunb

文章编号:: 1001-0009(2012)05-0176-03

作者:: 吕金海¹; 2; 舒孝顺³; 刘鹏²; 周芳²; 1.怀化学院民族药用植物资源研究与利用湖南省重点实验室，湖南怀化 418008；
2.怀化学院生命科学系，湖南怀化 418008；
3.长沙理工大学化学与生物工程学院，湖南长沙 410076

Author(s):: LV Jin-hai¹; 2; SHU Xiao-shun³; LIU Peng²; ZHOU Fang²; 1.Key Laboratory of Hunan Province for Study and Utilization of Ethnic Medicinal Plant Resources，Huaihua University,Huaihua,Hunan 418008；
2.Department of Life Science,Huaihua University,Huaihua,Hunan 418008；
3.College of Chemisty and Biology, Changsha University of Science and Technology,Changsha,Hunan 410076

关键词:: NaCl胁迫; 峨眉蕺菜; 湘白鱼腥草; 光合作用

Keywords:: NaCl stress; Houttuynia from Emei; Houttuynia from Huaihua; photosynthes

分类号:: S 567.23+9

文献标志码:: A

摘要:: 以四川峨眉产和湖南怀化产鱼腥草为试材，研究了不同浓度NaCl（0、0.10、0.15、0.20和0.25 mol/L）胁迫下鱼腥草的光合特性变化。结果表明：随NaCl浓度的升高不同产地鱼腥草的光合速率、蒸腾速率、气孔导度、胞间CO2浓度等生理指标均呈现下降的趋势，说明NaCl胁迫抑制了2个居群鱼腥草的生长和光合作用。当NaCl浓度大于0.20 mol/L时，湖南怀化产湘白鱼腥草的光合速率、蒸腾速率、气孔导度、胞间CO2浓度均有上升的趋势。说明湘白鱼腥草能进行自身调节提高光合作用从而提高其对盐胁迫的适应性。

Abstract:: The effects of different concentrations of NaCl (0,0.10,0.15,0.20 and 0.25 mol/L)on plant growth，photosynthetic characteristics of different Houttuynia cordata Thunb from Emei,Sichuan province (HTE)and Huaihua county ,Hunan province(HTH)were studied.The results showed that with increasing NaCl concentration,the net photosynthetic rate(Pn)，transpiration rate (Tr),stomatal conductance(Cs) and intercellular CO₂concentration(Ci)decreased significantly，It was indicated that the growth and photosynthesis of the HTE and the HTH were inhibited under NaCl stress.However，when the concentrations of NaCl increased 0.25 mol/L，the net photosynthetic rate(Pn)，transpiration rate (Tr),stomatal conductance(Cs) and intercellular CO₂concentration(Ci) of the HTH increased,the results indicated that the HTH adjusted themselves to improve photosynthesis and adapt to salt stress.

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备注/Memo

第一作者简介：吕金海(1968-)，男，本科，教授，现主要从事资源植物开发与利用研究所。
收稿日期：2011-11-30

更新日期/Last Update: 2014-08-28