论文目录 | |
| Acknowledgements | 第1-11
页 |
| Abstract | 第11-17
页 |
| List of tables | 第17-19
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| List of figures | 第19-20
页 |
| Chapter Ⅰ Literature Review | 第20-37
页 |
| · Biological mechanisms involved in Cd movement, accumulation, and detoxification in plants | 第20-23
页 |
| · Cd movement and accumulation in plants | 第20-22
页 |
| · Cd detoxification and strategy of Cd tolerance in plants | 第22-23
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| · Effect of Cd stress on plant physiology and morphology | 第23-29
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| · Effect of Cd stress on plant growth | 第24-25
页 |
| · Effect of Cd on chlorophyll content and photosynthetic rate | 第25-27
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| · Changes in dark respiration | 第27-28
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| · Cadmium toxicity and oxidative stress | 第28-29
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| · Strategies to alleviate Cd toxicity and its accumulation in crops | 第29-37
页 |
| · Effect of Zn on Cd toxicity | 第29-32
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| · Role of S in alleviation of Cd toxicity | 第32-33
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| · Effect of N form on Cd uptake and accumulation | 第33-34
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| · Genotypic difference in response to Cd stress in rice | 第34-37
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| Chapter Ⅱ Influence of Cadmium Toxicity on Antioxidant Enzyme Activities, plant growth and Cd accumulation in rice | 第37-52
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| 2 Materials and methods | 第38-52
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| · Culture condition and Cd treatment | 第38-40
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| · Measurement | 第39-40
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| · Result and analysis | 第40-47
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| · Plant height, SPAD values and photosynthetic rate | 第40-42
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| · Effect of Cd on plant biomass and Cd concentration | 第42-44
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| · Effect of Cd on MDA | 第44-45
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| · Effect of Cd on antioxidant enzymes | 第45-47
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| · Discussion | 第47-52
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| Chapter Ⅲ Zinc Alleviates Growth Inhibition and Oxidative Stress Caused by Cadmium Toxicity in Rice | 第52-66
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| 3 Materials and methods | 第53-66
页 |
| · Culture condition and Cd treatment | 第53-54
页 |
| · Sampling and enzymatic analysis | 第54
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| · Result and analysis | 第54-62
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| · Plant height and biomass | 第54-57
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| · Chlorophyll content and photosynthetic rate | 第57-58
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| · Cd concentrations in roots and shoots | 第58-59
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| · MDA content | 第59-60
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| · SOD and POD activities | 第60-62
页 |
| · Discussion | 第62-66
页 |
| Chapter Ⅳ Sulfur Alleviates Growth Inhibition and Oxidative Stress Caused by Cadmium Toxicity in Rice | 第66-82
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| 4 Materials and methods | 第67-82
页 |
| · Culture condition and treatment | 第67-69
页 |
| · Sampling and measurement | 第68-69
页 |
| · Statistical analysis | 第69
页 |
| · Results and analysis | 第69-78
页 |
| · Plant height and biomass | 第69-70
页 |
| · Chlorophyll content and photosynthetic rate | 第70-71
页 |
| · Nutrient concentration | 第71-72
页 |
| · Cd and S Concentrations | 第72-73
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| · MDA content | 第73-75
页 |
| · Glutathione content | 第75-77
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| · SOD activity | 第77-78
页 |
| · Discussion | 第78-82
页 |
| Chapter Ⅴ The influence of N forms on growth and some enzymatic activities of rice plants exposed to Cadmium stress | 第82-92
页 |
| 5 Materials and methods | 第83-92
页 |
| · Culture condition and treatments | 第83-84
页 |
| · Sampling and measurement | 第84-85
页 |
| · Statistical analysis | 第85
页 |
| · Results and analysis | 第85-89
页 |
| · Plant height, leaf and tiller number per plant | 第85
页 |
| · Photosynthetic rate, chlorophyll content and biomass accumulation | 第85-87
页 |
| · SOD activity | 第87
页 |
| · MDA content | 第87
页 |
| · N and Cd concentrations in roots and shoots | 第87-89
页 |
| · Discussion | 第89-92
页 |
| Literature cited | 第92-115
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