声明
摘要
ABSTRACT
CONTENTS
LIST OF ABBREVIATIONS
LIST OF FIGURES
LIST OF TABLES
CHAPTER 1 INTRODUCTION
1．1 INTRODUCTION
1．2 LITERATURE REVIEW
1．2．1 Salt stress
1．2．2 Harmful effects of salt stress on plants
1．2．3 Effects of salt stress on rice growth and development
1．2．4 Effects of salt stress on rice physiological characteristics
1．2．5 Role of ethylene in rice growth and development
1．2．6 1-Methylecyclopropene (1-MCP) as an ethylene inhibitor under salt stress
1．2．7 Effects of 1-MCP on rice spikelets development
1．3 QUESTIONS OF RESEARCH
1．4．1 Objectives
1．4．2 Significance of the research
1．5 EXPERIMENTAL DESIGN
CHAPTER 2 SODIUM CHLORIDE STRESS DURING EARLY GROWTH STAGES ALTERED PHYSIOLOGICAL AND GROWTH CHARACTERISTICS OF RICE
2．1 INTRODUCTION
2．2 Materials and Methods
2．2．1 Location and growth conditions
2．2．2 Plant material and experimental design
2．2．3 Plant sampling
2．2．4 Calculations of seed emergence characteristics
2．2．5 Seedling height reduction
2．2．6 Relative dry weight
2．2．7 Calculations of Growth characteristics
2．2．8 Photosynthetic activities
2．2．9 Statistical analysis
2．3 RESULTS
2．3．1 Effects of salt stress on seedling emergence characteristics
2．3．2 Growth characteristics at early seedlings stage
2．3．3 Seedling height reduction rate at early seedling stage and maximum tillering stage
2．3．4 Physiological and growth characteristics at maximum tillering stage
2．3．5 Relative dry weight at early seedling stage and maximum tillering stage
2．3．6 Tillering dynamics
2．3．7 Leaf Area
2．3．8 Growth characteristics at maximum tillering stage
2．3．9 Categorization of rice cultivars against sodium chloride
2．4 DISCUSSION
CHAPTER 3 1-METHYLCYCLOPROPENE MODULATES PHYSIOLOGICAL AND AGRONOMICAL CHARACTERISTICS OF RICE TO SALT STRESS
3．1 INTRODUCTION
3．2 MATERIALS AND METHODS
3．2．1 Experimental design
3．2．2 Soil condition and fertilizer
3．2．3 1-MCP application
3．2．4 Plant sampling
3．2．5 Dry matter measurement
3．2．6 Leaf area index
3．2．7 Physiological parameters
3．2．8 Statistical analysis
3．3 RESULT
3．3．1 1-MCP modulates physiological characters of rice under salt stress from maximum tillering stage to full heading stage
3．3．2 1-MCP modulates agronomical characters
3．4 DISCUSSIONS
CHAPTER 4 EFFECTS OF 1-METHYLCYCLOPROPENE ON RICE SUPERIOR AND INFERIOR SPIKELETS DEVELOPMENT AND GRAIN YIELD UNDER SALT STRESS
4．1 INTRODUCTION
4．2 MATERIALS AND METHODS
4．2．7 Spikelet grain weight and grain filling rate
4．2．8 Ethylene production
4．2．9 Statistical analyses
4．3 RESULTS
4．3．1 Effects of 1-MCP on ethylene productions in spikelets of rice under salt stress
4．3．2 Effects of 1-MCP on rice grain filling process under salt stress
4．3．3 Effects of 1-MCP on rice grain yield and its components
4．4 DISCUSSION
CHAPTER 5 1-METHYLECYCLOPROPENE REGULATE BIOCHEMICAL CHARACTERISTICS OF RICE RESPONSE TO SALT STRESS
5．1 INTRODUTION
5．2 MATERIALS AND METHODS
5．2．1 Experimental design
5．2．2 Soil condition and fertilizer
5．2．3 1-Methylcyclopropene application
5．2．4 Plant sampling
5．2．5 Determination of proline and soluble protein
5．2．6 Determination of antioxidants
5．2．7 Chlorophyll contents
5．2．8 Statistical analysis
5．3．1 Effects of 1-MCP on antioxidants
5．3．2 Proline contents
5．3．3 Soluble protein
5．3．4 Chlorophyll a，b，carotenoids，and total chlorophyll
5．4 DISCUSSION
CHAPTER 6 EFFECTS OF SALT STRESS ON RICE PROTEOMICS AND BIOCHEMICAL FEATURES
6．1 INTRODUCTION
6．2 MATERIALS AND METHODS
6．2．1 Growth conditions，Plants material，and experimental design
6．2．2 Soil and plant sampling
6．2．3 Lcaf proteomics analysis
6．2．4 Cell membrane injury
6．2．5 Rice root activity
6．2．6 Na+ concentration in soil and plant
6．2．8 Cl- concentration in soil and plant
6．2．10 Statistical analysis
6．3．2 Na+ and Cl- in rice plant
6．3．3 Effects of NaCl on rice flag leave’s Cell membrane injury
6．3．5 Effects of NaCl on leaf proteomics in rice at maximum tillering stage
6．4 DISCUSSION
CHAPTER 7 MAJOR FINDINGS AND FUTURE PERSPECTIVES
7．1 Novel Findings
7．2 Major Findings
7．3 Future Perspectives
REFERENCES
LIST OF PUBLICATIONS
ACKNOWLEDGEMENTS
AUTHOR RESUME
