鴨跖草對干旱脅迫的變異適應(yīng)
【學(xué)位單位】:中國農(nóng)業(yè)科學(xué)院
【學(xué)位級別】:博士
【學(xué)位年份】:2019
【中圖分類】:S451
【文章目錄】:
摘要
Abstracts
Abbreviations
Chapter 1 Literature Review
1.1. General information of Commelina communis L
1.2. Biology of Commelina communis L
1.2.1. Habitat
1.2.2. Weed status
1.2.3. Natural enemies of Commelina
1.3. Management of Commelina species
1.3.1. Cultural management
1.3.2. Mulching
1.3.3. Mechanical management
1.3.4. Solarization
1.3.5. Chemical management
1.4. Stress
1.4.1. Biotic stress
1.4.2. Abiotic Stress
1.4.3. Cross-Tolerance between Abiotic and Biotic Stress
1.5. Factor affecting abiotic stress
1.5.1. Soil
1.5.2. Topography
1.5.3. Climatic factors
1.5.4. Water
1.6. Importance of water and weed crop competition for water
1.7. Drought stress
1.8. Effects of drought stress on molecular, morphological and physiological characteristics
1.8.1. Molecular characteristics
1.8.2. Morphological characteristics
1.8.2.1. Response to leaf relative water content (RWC)
1.8.2.2 Effect of drought stress on chlorophyll content
1.8.3. Physiological characteristics
1.8.3.1. Chlorophyll fluorescence
1.9 Objectives
Chapter 2 Growth and seed production response of Commelina communis L. to water stress
2.1. Introduction
2.2. Materials and methods
2.2.1 Field capacity
2.2.2. Experiment detail
2.2.2.1. Experiment 1 Degree of water
2.2.2.2. Experiment 2 Water duration
2.2.3. Data measurement
2.2.4. Statistical analysis
2.3. Results
2.3.1. Growth response of C. communis to field capacity
2.3.2. Biomass
2.3.3. Seed production
2.3.4. Growth response of C. communis to duration of water stress
2.3.5. Biomass
2.3.6. Seed production
2.4. Discussion
2.5. Conclusion
CHAPTER 3 Growth,biomass partitioning and chlorophyll fluorescence response to drought stress: Acomparative study of Commelina communis L. biotypes
3.1. Introduction
3.2. Materials and methods
3.2.1. Drought stress treatment
3.2.2. Growth and biomass parameters
3.2.3. Chlorophyll fluorescence
3.3 Results
3.3.1. Plant height (cm) and number of leaves
3.3.2. Biomass (g)
3.3.3. Plant photochemistry
3.4. Discussion
3.5. Conclusion
CHAPTER 4 Drought stress response of Commelina communis L. biotypes: a gene expressionstudy
4.1. Introduction
4.2. Materials and methods
4.2.1. Drought stress treatment
4.2.2. Growth and biomass parameters
4.2.3. Isolation ofRNA
4.2.4. cDNA Preparation
4.2.5. PCR
4.2.6. qRT-PCR
4.3. Results
4.3.1. Plant height
-1'> 4.3.2. Number of leaves plant-1
4.3.4. Shoot biomass (g)
4.3.5. Drought sensitive 1 (DRS1)
4.3.6. Ethylene responsive element binding (EREB)
4.3.7. Hypersensitive red and blue light (HRB1)
4.4. Discussion
4.5. Conclusion
Chapeter 5 General discussion and conclusion
CONCLUSION
References
Acknowledgements
Author biography
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