| Abstract | 第8-11页 |
| 摘要 | 第12-15页 |
| List of abbreviations | 第15-17页 |
| CHAPTER 1 Introduction | 第17-29页 |
| 1.1. Global warming | 第17-18页 |
| 1.2. Trends of global warming in China | 第18-20页 |
| 1.3. Global warming and agriculture | 第20-21页 |
| 1.4. Global warming and rice productivity | 第21-22页 |
| 1.5. High temperature and rice grain quality | 第22-25页 |
| 1.5.1. Rice milling quality in relation to high temperature | 第23-24页 |
| 1.5.2. Physical appearance of the grains as affected by high temperature | 第24页 |
| 1.5.3. Cooking and sensory properties in relation to high temperature | 第24-25页 |
| 1.6. Growth regulators and crops productivity under high temperature | 第25页 |
| 1.7. Rice and plant growth regulators | 第25-26页 |
| 1.8. Rice panicle morphology and architecture | 第26-27页 |
| 1.9. Objectives of the trials | 第27-28页 |
| 1.10. Research project grant | 第28-29页 |
| CHAPTER 2 Impact of high-temperature stress on rice plant and its traits related totolerance(A review published in Journal of Agricultural Science) | 第29-46页 |
| 2.1. Summary | 第29页 |
| 2.2. Introduction | 第29-30页 |
| 2.3. High temperature in relation to growth and development of rice plant | 第30-32页 |
| 2.4. High temperature and spikelet sterility | 第32-35页 |
| 2.4.1. Mechanism of heat induced floret sterility | 第32-33页 |
| 2.4.2. Pollination in relation to spikelet fertility at high temperature | 第33-34页 |
| 2.4.3. Role of humidity in spikelet sterility at high temperature | 第34-35页 |
| 2.5. Physiological and biochemical mechanisms of heat tolerance | 第35-37页 |
| 2.5.1. Role of HSPs in inducing thermo-tolerance | 第36-37页 |
| 2.5.2. Factors other than HSPs contributing to thermo-tolerance | 第37页 |
| 2.6. Traits related to tolerance of high temperature stress | 第37-41页 |
| 2.6.1. Plant architecture | 第37-38页 |
| 2.6.2. Time of flowering and anthesis | 第38-39页 |
| 2.6.3. Length of anther | 第39-40页 |
| 2.6.4. Size of basal pore | 第40页 |
| 2.6.5. Length of basal dehiscence of anther | 第40-41页 |
| 2.7. Interactive effect of temperature with other climatic factors on rice | 第41-42页 |
| 2.8. Mitigating strategies for the forthcoming warmer climate | 第42-46页 |
| 2.8.1. Breeding perspective | 第43-44页 |
| 2.8.2. Management Options | 第44-46页 |
| CHAPTER 3 Ecotype and cultivar based variation in response of rice cultivars tovarious high temperature treatments | 第46-74页 |
| 3.1. Introduction | 第46-47页 |
| 3.2. Materials and methods | 第47-52页 |
| 3.2.1. Crop husbandry | 第47-48页 |
| 3.2.2. Experimental design and temperature treatments | 第48-50页 |
| 3.2.3. Antioxidant enzyme superoxide dismutase (SOD) activity and plant height | 第50页 |
| 3.2.4. Yield and its components | 第50-52页 |
| 3.2.5. Biomass and harvest index | 第52页 |
| 3.2.6. Data Analysis | 第52页 |
| 3.3. Results | 第52-67页 |
| 3.3.1. Temperature increment | 第52-53页 |
| 3.3.2. Superoxide dismutase (SOD) | 第53页 |
| 3.3.3. Plant height at maturity | 第53-56页 |
| 3.3.4. Grain yield | 第56页 |
| 3.3.5. Grain yield components | 第56-64页 |
| 3.3.6. Total aboveground biomass and harvest index | 第64-67页 |
| 3.4. Discussion | 第67-73页 |
| 3.5. Conclusion | 第73-74页 |
| CHAPTER 4 Rice grain quality in a short-term global warming scenario:Exploring the differential role of near 2℃ elevated maximum, mean and minimumtemperatures | 第74-97页 |
| 4.1. Introduction | 第74页 |
| 4.2. Materials and methods | 第74-75页 |
| 4.2.1. Crop husbandry | 第74页 |
| 4.2.2. Grain qualitative traits | 第74-75页 |
| 4.2.3 Data Analysis | 第75页 |
| 4.3. Results | 第75-88页 |
| 4.3.1. Temperature increase | 第75页 |
| 4.3.2. Grain dimensions:width, length, area and length to width ratio | 第75-81页 |
| 4.3.3. Chalkiness related parameters and other qualitative traits | 第81-88页 |
| 4.4. Discussion | 第88-96页 |
| 4.5. Conclusion | 第96-97页 |
| CHAPTER 5 Positional variation in terms of weight, fertility and distribution of rice grains on panicle axis under different temperature regimes and plant growthregulators | 第97-118页 |
| 5.1. Introduction | 第97页 |
| 5.2. Materials and Methods | 第97-98页 |
| 5.2.1. Experimental details | 第97页 |
| 5.2.2. Chemical treatments | 第97-98页 |
| 5.2.3. Panicle related traits | 第98页 |
| 5.3. Results | 第98-114页 |
| 5.3.1. Panicle length | 第98-100页 |
| 5.3.2. Spikelets distribution pattern on panicle | 第100页 |
| 5.3.3. Grain weight at different positions on panicle under different temperature regimes and plant growth regulators | 第100-107页 |
| 5.3.4. Heat susceptibility index for weight of grains at different positions on panicle axis under various temperatures and growth regulators | 第107-111页 |
| 5.3.5. Variations in fertility of spikelets at different positions on panicle axis under various temperatures and growth regulators | 第111页 |
| 5.3.6. Heat susceptibility index for fertility of grains at different positions on panicle axis under various temperatures and growth regulators | 第111-114页 |
| 5.4. Discussion | 第114-117页 |
| 5.5. Conclusion | 第117-118页 |
| CHAPTER 6 Effect of glycine betaine and salicylic acid on quality related attributesof various rice varieties under different temperatures | 第118-132页 |
| 6.1. Introduction | 第118-119页 |
| 6.2. Materials and methods | 第119页 |
| 6.3. Results | 第119-129页 |
| 6.3.1. Chalkiness related traits | 第119-122页 |
| 6.3.2. Grain dimensions | 第122-129页 |
| 6.4. Discussion | 第129-131页 |
| 6.5. Conclusion | 第131-132页 |
| CHAPTER 7 Physiological and biochemical changes in rice associated with highnight temperature and their amelioration by exogenous ascorbic acid (vitamin C)125 | 第132-143页 |
| 7.1. Introduction | 第132-133页 |
| 7.2. Materials and methods | 第133-135页 |
| 7.2.1. Plant growth | 第133-134页 |
| 7.2.2. Ascorbic acid plus temperature treatments | 第134页 |
| 7.2.3. Lipid per oxidation and anti-oxidant enzymes | 第134-135页 |
| 7.2.4. Sodium and potassium ions determination and leaf stomatal conductance | 第135页 |
| 7.2.5. Statistical analysis | 第135页 |
| 7.3. Results and discussion | 第135-142页 |
| 7.3.1. Lipid peroxidation and anti-oxidant enzymes | 第136-137页 |
| 7.3.2. Leaf stomatal conductance (gs) | 第137-138页 |
| 7.3.3. Sodium and potassium ions content | 第138-141页 |
| 7.3.4. Relationship between Pottasium ion and malondialdehyde, and peroxdase and stomatal conductance | 第141-142页 |
| 7.4. Conclusion | 第142-143页 |
| References | 第143-166页 |
| Acknowledgements | 第166-168页 |
| Scientific contribution | 第168-169页 |
