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水稻苗期耐盐性状的关联分析研究

摘要第6-7页
ABSTRACT第7-8页
LIST OF ABBREVIATIONS第12-18页
1 CHAPTER 1 INTRODUCTION第18-28页
    1.1 BACKGROUND第18页
    1.2 CHALLENGES: GLOBAL RICE PRODUCTION第18-19页
    1.3 SALINITY EXTENT AND DISTRIBUTION第19页
    1.4 RESPONSE OF PLANT UNDER SALINITY STRESS第19-20页
    1.5 MECHANISM OF SALT TOLERANCE第20-21页
    1.6 RICE RESPONSE TO SALINITY STRESS第21-22页
        1.6.1 Shoot length and root length under salt stress第22页
        1.6.2 Biomass under salt stress第22页
    1.7 IMPLICATION OF MOLECULAR MARKER FOR GENETIC MAPPING第22-26页
        1.7.1 Single nucleotide polymorphism第23-24页
        1.7.2 Implementation of SNPs as marker第24页
        1.7.3 Genome-wide association study (GWAS)第24-25页
        1.7.4 Candidate gene approach第25页
        1.7.5 Linkage disequilibrium and haplotype analysis第25-26页
    1.8 QUANTITATIVE TRAIT LOCI (QTL)第26页
    1.9 QTLS MAPPING FOR SALINITY TOLERANCE第26-27页
    1.10 AIMS AND OBJECTIVES第27-28页
2 CHAPTER 2 MATERIALS AND METHODS第28-34页
    2.1 PLANT MATERIALS第28页
    2.2 EXPERIMENTAL SITE AND GROWING CONDITION第28-29页
    2.3 PHENOTYPING OF SEEDLING第29-31页
        2.3.1 Plant growth measurement第29页
        2.3.2 Seedling survival Index (SSI)第29-30页
        2.3.3 Measurement of Na~+ and K~+ concentration in shoot and root第30页
        2.3.4 Measurement of salinity response index (SRI)第30-31页
    2.4 GENOTYPING AND SNP IDENTIFICATION第31页
    2.5 STATISTICAL ANALYSIS第31-34页
        2.5.1 Phenotypic data analysis第31页
        2.5.2 Population genetic analysis第31-34页
3 Chapter 3 RESULTS第34-71页
    3.1 IDENTIFICATION OF ELITE GERMPLASMS THROUGH PHYSIOLOGICALCHARACTERIZATION AT SEEDLING STAGES第34-43页
        3.1.1 Seedling survival index (SSI)第34页
        3.1.2 Shoot length (cm)第34页
        3.1.3 Root length (cm)第34页
        3.1.4 Shoot dry weight (mg)第34页
        3.1.5 Root dry weight (mg)第34-35页
        3.1.6 Na~+ concentration (mg ml~(-1)) in shoot第35页
        3.1.7 K~+ concentration (mg ml~(-1)) in shoot第35页
        3.1.8 Na~+ concentration (mg ml~(-1)) in root第35-37页
        3.1.9 K~+ concentration (mg ml~(-1)) in root第37页
        3.1.10 Na~+/K~+ ratio in shoot第37页
        3.1.11 Na~+/K~+ ratio in root第37-39页
        3.1.12 Correlation analysis among traits in germplasm第39-41页
        3.1.13 Performance of selected germplasm at salinity response index第41-43页
    3.2 IDENTIFICATION OF QTLS ASSOCIATED WITH SALINITY TOLERANCE AT THE SEEDLINGSTAGE THROUGH GWAS第43-61页
        3.2.1 QTLs for seedling survival index (SSI)第43-44页
        3.2.2 QTLs for shoot length第44页
        3.2.3 QTLs for root length第44-45页
        3.2.4 QTLs for shoot dry weight第45页
        3.2.5 QTLs for root dry weight第45-46页
        3.2.6 QTLs for Na~+ concentration of shoot第46-52页
        3.2.7 QTLs for Na~+ concentration of root第52-53页
        3.2.8 QTLs for K~+ concentration of root第53-54页
        3.2.9 QTLs for Na~+/ K~+ concentration of shoot第54-58页
        3.2.10 Identified QTL regions of QTLs in different traits第58-61页
    3.3 IDENTIFICATION OF CANDIDATE GENES第61-71页
        3.3.1 Candidate genes for QTL q SSI-7.1 and q SSI-7.2第61页
        3.3.2 Candidate genes for q SLR-9第61页
        3.3.3 Candidate genes for q RNCR-9.2 and q RNCR-11.1第61-62页
        3.3.4 Candidate genes for q RKCR-3 and q RKCR-10.1第62页
        3.3.5 Candidate genes for q SNKR-10.2第62-71页
4 Chapter 4 DISCUSSION第71-77页
    4.1 PHYSIOLOGICAL CHARACTERIZATION AT SEEDLING STAGE第71-73页
    4.2 IDENTIFICATION OF QTL USING GWAS第73-75页
    4.3 CANDIDATE GENE IDENTIFICATION USING HAPLOTYPE ANALYSIS第75-77页
5 Chapter 5 SUMMARY AND CONCLUSIONS第77-79页
References第79-89页
APPENDICES第89-94页
Acknowledgement第94-95页
Resume第95页

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