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Determination of Dilution Point for Saline Irrigation Based on Physiological Response of Two Okra Cultivars under Salt Stress Followed by Re-watering

ACKNOWLEDGEMENTS第5-10页
ABSTRACT第10-12页
摘要第13-23页
ABBREVIATIONS第23-25页
GENERAL INTRODUCTION AND PROJECT AIMS第25-37页
    1. Introduction第26-37页
        1.1 Water第26页
        1.2 Salinity, Agriculture and saline water第26-28页
        1.3 Types of salt stress and effect on plant physiology第28-30页
        1.4 Problem statement and different techniques to used saline water第30-31页
        1.5 Okra第31-33页
        1.6 Project Aims第33页
        1.7 Outline of the Dissertation第33-37页
LITERATURE REVIEW第37-57页
    2. Literature review第38-57页
        2.1 Photosynthetic characteristics第38-43页
        2.2 Salts concentration Effect on growth properties第43-48页
        2.3 Leaf water potential and carbonic anhydrase activity第48-51页
        2.4 Effect of salt stress on plants Electrophysiological features第51-52页
        2.5 Dilution effect on the restoration of plants physiology第52-57页
GERMINATION AND SEEDLING GROWTH第57-67页
    3. Effect of Sodium Chloride and Calcium Chloride on seed germination and early seedling growth of two okra cultivars第58-67页
        3.1 Introduction第58-59页
        3.2 Material and method第59-60页
        3.3 Result and discussion第60-65页
            3.3.1 Effect on germination第60-62页
            3.3.2 Effect on root length, shoot length and root/shoot ratio第62-64页
            3.3.3 Total length第64页
            3.3.4 Effect on biomass第64-65页
        3.4 Conclusion第65-67页
PHOTOSYNTHETIC RESPONSE第67-95页
    4. Photosynthetic Response of two Okra Cultivars under Salt stress and Re-watering第68-95页
        4.1 Introduction第68-69页
        4.2 Material and method第69-77页
            4.2.1 Plant material and culture condition第69-70页
            4.2.2 Physiological parameters第70-71页
            4.2.3 Water potential第71-73页
            4.2.4 Growth parameters 494.2.5 Carbonic anhydrase activity第73-75页
            4.2.6 Calculation of re-watering water use efficiency(WUE_R)第75-76页
            4.2.7 Statistical analysis第76-77页
        4.3 Results第77-90页
            4.3.1 Net photosynthetic Rate第77-79页
            4.3.2 Stomatal conductance第79页
            4.3.3 Transpiration第79-80页
            4.3.4 Intercellular CO_2 concentration and WUE第80-81页
            4.3.5 Water potential and water content第81-83页
            4.3.6 Growth parameters第83-86页
            4.3.7 Carbonic anhydrase第86-88页
            4.3.8 Correlation between different parameters of the two cultivars第88页
            4.3.9 Re-watering water use efficiency第88-90页
        4.4 Discussion第90-93页
            4.4.1 Photosynthetic rate and plant growth under salt stress第90-91页
            4.4.2 Re-watering effect on plant growth第91-92页
            4.4.3 Re-watering water use efficiency(WUE_R)第92-93页
        4.5 Conclusion第93-95页
WATER STATUES AND GROWTH RESPONSE第95-113页
    5. Okra response to salt stress and re-watering application based on electrophysiological characteristics and growth parameter第96-113页
        5.1 Introduction第96-97页
        5.2 Material and methods第97-101页
            5.2.1 Plant material and culture condition第97-98页
            5.2.2 Growth parameter measurement第98-99页
            5.2.3 Water potential第99页
            5.2.4 Physiological capacitance第99-100页
            5.2.5 Calculation of leaf tensity第100-101页
            5.2.6 Statistical analysis第101页
        5.3 Results第101-110页
            5.3.1 Water potential第101-102页
            5.3.2 Physiological capacitance第102-103页
            5.3.3 Leaf tensity第103页
            5.3.4 Plant growth第103-107页
            5.3.5 Fruit growth第107页
            5.3.6 Correlation between water status and growth parameters of both cultivars第107-110页
        5.4 Discussion第110-112页
        5.5 Conclusions第112-113页
DILUTION STRATEGY第113-131页
    6. Determination of dilution regime through electrophysiological characteristic and growth response for two okra cultivars第114-131页
        6.1 Introduction第114页
        6.2 Material and method第114-121页
            6.2.1 Optimized value第114-116页
            6.2.2 Dilute and direct irrigation point第116-117页
            6.2.3 Principle of model construction第117-120页
            6.2.4 Prediction of re-watering levels第120-121页
        6.3 Results第121-126页
            6.3.1 Optimized value第121页
            6.3.2 Model construction第121-124页
            6.3.3 Direct and dilute irrigation point of both cultivars第124-125页
            6.3.4 Method for predicting re-watering levels第125-126页
        6.4 Discussion第126-128页
        6.5 Conclusion第128-131页
GENERAL CONCLUSION第131-139页
    7. Summary and Future perspective第132-139页
        7.1 Summary第132-135页
        7.2 Relation between our research work and Agricultural Engineering第135-137页
        7.3 Future perspective第137-138页
        7.4 Innovation第138-139页
Reference第139-171页
Publication第171-173页
Patent第173-175页
Appendix: plant response under different growth stage第175-177页

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