| Abstract | 第1-10页 |
| Abbreviations | 第10-12页 |
| 1 Background | 第12-28页 |
| ·Possible mechanisms of inhibition of photosynthesis | 第12-13页 |
| ·Photo-oxidative damage to the photosynthetic apparatus | 第13-15页 |
| ·Adjustment of light-harvesting antenna size | 第15页 |
| ·State transition and balance of light energy | 第15-16页 |
| ·Thermal dissipation of excess absorbed light energy | 第16-18页 |
| ·The xanthophyll cycle and mechanism of qE | 第18-20页 |
| ·Oxygen-dependent electron transport | 第20-22页 |
| ·PSI electron transport | 第22-23页 |
| ·Regulation of cyclic electron transport | 第23-24页 |
| ·Measurement of cyclic electron transport in vivo | 第24页 |
| ·Physiological significance of cyclic electron transport | 第24-26页 |
| ·The objective of the study | 第26-28页 |
| 2 Materials and methods | 第28-36页 |
| ·Plant materials | 第28页 |
| ·Treatments of plant materials | 第28-29页 |
| ·Salt treatment and heat treatment | 第28页 |
| ·Salt shock | 第28页 |
| ·Photoinhibitory treatment | 第28-29页 |
| ·Calcium treatment | 第29页 |
| ·Methods of measurement | 第29-36页 |
| ·Measurement of water status | 第29页 |
| ·Analysis of mineral contents | 第29页 |
| ·Biochemical assays | 第29-30页 |
| ·Measurement of photosynthetic gas eschange | 第30页 |
| ·Anglysis of fluorescence quenching | 第30-31页 |
| ·Measurement of the rapid fluorescence induction kinetics | 第31-32页 |
| ·Polyphasic rise of fluorescence transient(OJOP) | 第32-33页 |
| ·The JIP test | 第33-34页 |
| ·Estimation of electron transport rate | 第34-36页 |
| 3 Results and discussion | 第36-95页 |
| ·Effects of NaCl stress on photosynthesis and PSII photochemistry | 第36-48页 |
| ·Effects of NaCl stress on photosynthetic gas exchange | 第37页 |
| ·Changes in water relations and ion content | 第37-38页 |
| ·Effects of NaCl stress on pigment content | 第38-39页 |
| ·The maximal photochemistry of PSII in dark-adapted leaves | 第39页 |
| ·PSII photochemistry in light-adapted leaves | 第39-41页 |
| ·Effect of NaCl stress on excitation energy distribution between PSII and PSI | 第41页 |
| ·Thermal dissipation of excess light energy | 第41-42页 |
| ·Time course of light induced kinetics of fluorescence quenching | 第42-43页 |
| ·Chlorophyll fluorescence characteristics in response PPFD | 第43-45页 |
| ·The reducing state of PQ | 第45-46页 |
| ·Discussion | 第46-48页 |
| ·The role of Mehler-peroxidase reaction (MPR) in dissipation excess light energy | 第48-59页 |
| ·PSII electron transport during photosynthetic induction and under steady state photosynthesis | 第50-52页 |
| ·Effect of NaCl stress on relationship between ФCO2 and ФPSII | 第52-53页 |
| ·The rate of photosynthetic electrons consumed in the Mehler-peroxidase reaction | 第53页 |
| ·Energy-dependent chlorophyll fluorescence quenching | 第53-54页 |
| ·Effects of O2 on the susceptibility of PSII to photoinhibition | 第54-55页 |
| ·Activities of SOD and APX | 第55页 |
| ·Discussion | 第55-59页 |
| ·PSII photochemistry and photoinhibition during salt shock | 第59-66页 |
| ·Effect of salt shock on photosynthesis | 第59-60页 |
| ·Effect of salt shock on PSII photochemistry | 第60-61页 |
| ·Distribution of photosynthetic electrons among pathways | 第61-62页 |
| ·Susceptibility of PSII to photoinhibition ? | 第62-63页 |
| ·Discussion | 第63-66页 |
| ·PSII photochemistry and thermostability in salt-treated Rumex leaves | 第66-75页 |
| ·Effect of heat stress on photosynthesis in control and NaCl-stressed leaves | 第66-67页 |
| ·Effect of heat stress on polyphasic rise of chlorophyll fluorescence | 第67-69页 |
| ·Effect of heat stress on PSII photochemistry in control and NaCl-stressed | 第69-71页 |
| ·Effect of heat stress on PSII QB-non-reducing reaction centers | 第71-72页 |
| ·Discussion | 第72-75页 |
| ·Interactive effects of NaCl stress and Ca2+ supplement on photosynthesis and PSII photochemistry | 第75-95页 |
| ·Effects of Ca2+ supplement on photosynthetic gas exchange | 第76-78页 |
| ·Effects of Ca2+ supplement PSII photochemistry in dark-adapted leaves | 第78-80页 |
| ·Effects of Ca2+ supplement on the induction kinetics of fluorescence quenching during a dark-light transition | 第80-81页 |
| ·Effects of Ca2+ supplement PSII photochemistry in light-adapted leaves | 第81-82页 |
| ·Effects of Ca2+ supplement on electrolyte leakage under NaCl stress | 第82-83页 |
| ·Effects of Ca2+ supplement on water status and osmotic adjustment under NaCl stress | 第83-84页 |
| ·Effects of Ca2+ supplement on photoinhibition of PSII | 第84-85页 |
| ·Effects of Ca2+ supplement on photosynthesis under NaCl stress at different concentrations | 第85-86页 |
| ·Effects of Ca2+ supplement on PSII photochemistry in light-adapted leaves | 第86-87页 |
| ·Effects of Ca2+ supplement on QB-non-reducing PSII reaction centers under NaCl stress | 第87-88页 |
| ·Effects of Ca2+ supplement on leaf water potential and osmotic potential under NaCl stress | 第88-89页 |
| ·Effects of Ca2+ supplement on content of proline and soluble sugar under NaCl stress | 第89-90页 |
| ·Discussion | 第90-95页 |
| 4 Conclusion | 第95-97页 |
| References | 第97-112页 |
| 中文摘要 | 第112-113页 |
| Acknowledgements | 第113-114页 |
| Publications | 第114页 |
