声明
List of Tables
List of Figures
List of Abbreviations
Chapter I Introduction and Research Background
1 INTRODUCTION
2 RESEARCH BACKGROUND
2.1 Rice Diversification
2.2 Heterosis and Genetic Diversity
2.3 Objectives of the research
ChapterⅡMolecular profiling, genetic diversity and heterosis analysis of introgression lines derived from crosses between Oryza sativa and Oryza glaberrima
1 INTRODUCTION
2 MATERIALS and METHODS
2.1 Plant materials
2.2 Field trials and agronomic traits evaluation
2.3 DNA extraction
2.4 SSR primers designing and Genotyping
2.5 Statistical analyses
3 RESULTS
3.1 Phenotypic Variation and Correlation Analysis of the seven Agronomic Traits
3.2 Polymorphism and Segregation Analysis
3.3 Gene diversity and polymorphism information content (PIC)
3.4 Detecting the O. glaberrima genomic fragments in the ILs
3.5 Population Structure of the Introgression Lines [ΔK ?K=2]
4 DISCUSSIONS
i. Graphical genotyping
ii. Population structure
iii. Genetic diversity
Chapter Ⅲ Heterosis analysis and Identification of interspecific heterotic loci associated with agronomic traits in rice introgression lines carrying genomic fragments of Oryza glaberrima
1 INTRODUCTION
2 MATERIALS and METHODS
2.1 Material preparation
2.2 Evaluation of agronomic traits and MPH
2.3 Genomic DNA extraction, Polymorphism and Genotyping analysis
2.4 Identification of QTLs and interspecific HLs
3 RESULTS
3.1 Performance of the seven agronomic traits in the ILs, GZ63S and PIHs
3.2 Heterosis performance of the PIHs
3.3 Heterobeltiosis (heterosis over the better parent) performance of the PIHs
3.4 Correlations between the agronomic traits and genotype-environment interaction
3.5 Identification of interspecific HLs in the PIHs
3.6 Mapping QTLs associated to the agronomic traits in the ILs
3.7 Pleiotropism of the QTLs and the HLs
3.8 Trait-marker Association mapping
4 DISCUSSIONS
4.1 Potential of distant heterosis in rice
4.2 The mechanism of the interspecific heterosis
4.3 Detection of molecular markers for interspecific rice breeding
4.4 Comparison between Association mapping and QTL mapping
CONCLUSIONS AND PERSPECTIVES
参考文献
APPENDIX
致谢