HAO Jian-jun,LU Huan,HUANG Chun-hua,et al.Influence of HSO3-、Cl-and Na+on Photosynthesis of Soybean Seedlings[J].Soybean Science,2012,31(05):855-857,860.[doi:10.3969/j.issn.1000-9841.2012.05.037]
HSO3-、Cl-和Na+对大豆幼苗光合作用的影响
- Title:
- Influence of HSO3-、Cl-and Na+on Photosynthesis of Soybean Seedlings
- 文章编号:
- 1000-9841（2012）05-0855-03
- Keywords:
- NaCl; NaHSO3; Soybean seedlings; Photosynthesis; Rubisco
- 分类号:
- S641.2
- 文献标志码:
- A
- 摘要:
- 以铁丰31大豆幼苗为试材，在大豆幼苗叶片完全展开时以一定浓度的NaCl和NaHSO3及清水喷施于叶片的正反两面，测定光合速率、可溶性糖、光合色素等生理指标，以探讨HSO3-、Cl-和Na+对光合作用的影响。结果表明：Na+对大豆幼苗叶片可溶性糖含量的增加、ATP合酶活性的提高、叶片Rubisco含量的增加均有一定的促进作用。Cl-在整个实验中作用不明显。 HSO3-对大豆幼苗叶片叶绿素a和叶绿素b的合成有显著促进作用；并能显著提高全链光合电子传递速率、ATP合酶活性，使光合磷酸化过程加强； HSO3-显著提高了Rubisco羧化活性及PEPC活力和PEPC比活力；并提高了Rubisco和PEPC含量,从而促进大豆幼苗的光合速率增加。
- Abstract:
- Soybean seedlings of Tiefeng No.31 was sprayed with NaCl and NaHSO3 solutions,respectively,and determined the photosynthetic rate,soluble sugar,photosynthetic pigment and other physiological indexes.Na+ increased soluble sugar content,ATP enzyme activity,and the content of Rubiscoase of soybean leaves.HSO3- promoted the synthesis of Chl a and Chl b;significantly increased the whole chain photosynthetic electron transfer rate and ATP synthase activity,strengthened the photosynthetic phosphorylation process,and speed up the process of the dark reactions of photosynthesis.Furthermore, HSO3- ?significantly improved the Rubiscoase carboxy change activity,PEPCase vitality as well as content of Rubisco and PEPC.Hence,promoted the photosynthetic rate of soybean seedlings.
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备注/Memo
基金项目：辽宁省教育厅科学技术研究项目（2004A011）。