| Contents | 第1-7页 |
| Abstract | 第7-10页 |
| Abstract in Chinese | 第10-12页 |
| Chapter 1 Introduction | 第12-23页 |
| 1 Crop establishment and matter accumulation | 第12-16页 |
| ·Seed and seedling vigor | 第12-13页 |
| ·Vegetable growth and matter accumulation | 第13-16页 |
| 2 Reproductive structure differentiation and onset of seed | 第16-18页 |
| ·Panicle differentiation and sink capacity for yield | 第16-17页 |
| ·Contributors to desirable panicle initiation | 第17页 |
| ·Manipulation for increasing yield sink size | 第17-18页 |
| 3 Translocation of assimilate, grain filling, and yield visualizing | 第18-22页 |
| ·Seed development | 第18页 |
| ·The transfer of assimilates to gains and harvest index | 第18-19页 |
| ·Grain number per panicle and grain weight at maturity | 第19-20页 |
| ·Roles of related enzymes in grain filling | 第20-21页 |
| ·Roles of plant hormones in grain filling | 第21-22页 |
| 4 Research background and general objectives | 第22-23页 |
| Chapter 2 Molecular dissection of seedling vigor and associated physiological traits in rice | 第23-37页 |
| 1 Introduction | 第23页 |
| 2 Materials and methods | 第23-25页 |
| 3 Results | 第25-34页 |
| ·Performance of trait | 第25-26页 |
| ·Correlations among various traits | 第26-27页 |
| ·Single marker analysis | 第27页 |
| ·QTL analysis for morphological traits | 第27-30页 |
| ·QTL analysis for physiological traits | 第30-31页 |
| ·Digenic interaction analysis | 第31-34页 |
| 4 Discussion | 第34-37页 |
| ·Relationships among seedling vigor traits | 第34页 |
| ·Relationships among physiological traits | 第34-35页 |
| ·Physiological explanation of seedling vigor performance | 第35-36页 |
| ·Comparison of QTL mapping in different population of rice | 第36-37页 |
| Chapter 3 Molecular dissection of relationships among tiller number, plant height, and heading date in rice | 第37-50页 |
| 1 Introduction | 第37-38页 |
| 2 Materials and Methods | 第38页 |
| 3 Results and analyses | 第38-47页 |
| ·The performance of traits | 第38-39页 |
| ·Correlation analyses | 第39-40页 |
| ·Single marker analyses | 第40-42页 |
| ·Composite interval mapping of traits | 第42-44页 |
| ·Analyses of digenic interaction in the entire genome | 第44-47页 |
| 4 Discussion | 第47-50页 |
| ·Different genetic basis for a trait at different stages of growth | 第47页 |
| ·Environment×genotype interaction | 第47页 |
| ·Correspondence between known major and detected putative QTL | 第47-48页 |
| ·Relations among tiller number, plant height, and heading date | 第48-50页 |
| Chapter 4 Genetic analysis of panicle characteristics related to yield sink capacity of rice | 第50-63页 |
| 1 Introduction | 第50-51页 |
| 2 Materials and methods | 第51页 |
| 3 Results | 第51-61页 |
| ·Variations in panicle traits | 第51-52页 |
| ·Simple correlation analysis | 第52-53页 |
| ·Path coefficient analysis | 第53-54页 |
| ·QTL mapping for panicle traits | 第54-56页 |
| ·Single marker analysis | 第56-59页 |
| ·Two-locus interaction analysis | 第59-61页 |
| 4 Discussion | 第61-63页 |
| ·Correlations among panicle Waits and contributions of them to sink size | 第61页 |
| ·Genetic basis for correlation among panicle traits | 第61-62页 |
| ·Environmental effects on panicle traits | 第62-63页 |
| Chapter 5 Relations of source and sink to 1000-grain weight and filled grain percentage in a recombinant inbred population of rice | 第63-72页 |
| 1 Introduction | 第63-64页 |
| 2 Material and methods | 第64页 |
| 3 Results and analyses | 第64-69页 |
| ·Trait variation | 第64-65页 |
| ·Simple correlation analysis | 第65页 |
| ·Effects of source and sink on 1000-grain weight | 第65-68页 |
| ·Effects of source and sink on filled grain percentage | 第68-69页 |
| 4 Discussion | 第69-72页 |
| ·Relations of leaves to 1000-groin weight and filled grain percentage | 第70-71页 |
| ·Relations of panicle characters to 1000-grain weight and filled grain percentage | 第71-72页 |
| Chapter 6 Contributions of yield components and morpho-physiological characters to grain yield in a rice population | 第72-84页 |
| 1 Introduction | 第72-73页 |
| 2 Materials and methods | 第73页 |
| 3 Results and analyses | 第73-81页 |
| ·Variations in yield and its components, related traits | 第73-74页 |
| ·Simple correlation analysis | 第74-76页 |
| ·Path analysis of yield and yield-related traits | 第76-77页 |
| ·Analysis of causes for decrease in grain yield in 2000 | 第77-81页 |
| 4 Discussion | 第81-84页 |
| Chapter 7 Molecular dissection of yield and its components in rice | 第84-99页 |
| 1 Introduciton | 第84页 |
| 2 Materials and methods | 第84页 |
| 3 Results and analyses | 第84-97页 |
| ·Variation in yield and its components | 第84-85页 |
| ·Single-marker analysis | 第85-89页 |
| ·Composite interval mapping | 第89-90页 |
| ·Estimate of QTL×environment interaction | 第90-91页 |
| ·Two-locus interaction analysis | 第91-97页 |
| 4 Discussion | 第97-99页 |
| ·Basis for relations among yield and its components | 第97页 |
| ·Basis for consistent performance of trait across two years | 第97-98页 |
| ·Environmental effects on yield traits | 第98-99页 |
| Chapter 8 QTL analysis for leaf characteristics in rice | 第99-105页 |
| 1 Introduction | 第99-100页 |
| 2 Materials and methods | 第100页 |
| 3 Results | 第100-102页 |
| ·Trait variation | 第100-101页 |
| ·QTL analysis for leaf characteristics | 第101-102页 |
| 4 Discussion | 第102-105页 |
| ·Relations of length of seedling leaves to 1000-grain weight | 第102-103页 |
| ·High correlation among the topmost leaves | 第103页 |
| ·Relations between characteristics of the topmost leaves and days to heading | 第103-105页 |
| References | 第105-115页 |
| Acknowledgments | 第115页 |
