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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yu, Jing Quan Ye, Su Feng Huang, Li Feng |
| Copyright Year | 2002 |
| Abstract | The effects of simulated acid rain on gas exchange, chlorophyll fluorescence, and anti-oxidative enzyme activity in cucumber seedlings (Cucumis sativus L. cv. Jingchun No. 4) were investigated. Acid rain significantly reduced net photosynthetic rate and mainly non-stomatal factors contributed to the decrease of photosynthesis during the experimental period. The reduced photosynthesis was associated with a decreased maximal photochemical efficiency (F$_{v}$/F$_{m}$) and the average quantum yield of the photosystem 2 (PS2) reaction centres (Φ$_{PS2}$). Meanwhile, acid rain significantly increased the activities of guaiacol peroxidase (GPX) and superoxide dismutase (SOD), but decreased the activity of catalase (CAT) together with an increased content of malonyldialdehyde (MDA), Hence the changes in photosynthesis in acid rain treatment might be a secondary effect of acidity damage probably due to lipid peroxidation of lipids and proteins in thylakoid membrane rather than direct effect on PS2 reaction centre. |
| Starting Page | 331 |
| Ending Page | 335 |
| Page Count | 5 |
| File Format | |
| ISSN | 03003604 |
| Journal | Photosynthetica |
| Volume Number | 40 |
| Issue Number | 3 |
| e-ISSN | 15739058 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2002-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | Plant Physiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science |
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