学位专题

封面
DEDICATIONS
声明
THESIS RELEASE CERTIFICATE
CERTIFICATION
ACKNOWLEDGEMENTS
Abstract
摘要
TABLE OF CONTENTS
CHAPTER 1 General Introduction and Review of Literature
1．1 General Introduction
1．1．1 Background information
1．1．2 Research objectives
1．2 Review of Literature
1．2．1 Boron：chemical properties，production and usage
1．2．2 Boron in softs
1．2．3 Boron in plant
1．2．4 Boron stress in plants
1．2．5．Mechanisms for B stress tolerance
1．2．6 The interaction with salinity stress
CHAPTER 2 Effect of boron toxicity on seed germination，root elongation and early seedling development of watermelon，Citrullus lanatus Thumb
2．1 Introduction
2．2 Materials and Methods
2．3 Results
2．4 Discussion
CHAPTER 3 Low boron toxicity induces plant growth in early seedling stage of watermdon (Citrullus lanatus Thumb)
3．1 Introduction
3．2 Materials and methods
3．3 Results
3．4 Discussion
CHAPTER 4 Activation of antioxidant enzymes-reduced malondialdehyde，and altering of mineral uptake promote watermelon growth under boron deficiency conditions in the early seedling stage
4．1 Introduction
4．2 Materials and methods
4．3 Results
4．4 Discussions
CHPTER 5 Nitric oxide donor (SNP) protects watermelon against oxidative stress caused by boron toxicity and deficiency stress
5．1 Introduction
5．2 Materials and methods
5．3 Result
5．4 Discussion
CHAPTER 6 Exogenous salicylic acid role in protection of watermelon boron toxicity and deficiency stress
6．1 Introduction
6．2 Materials and methods
6．3 Result
6．4 Discussion
CHAPTER 7 The effect of interactions of salinity and boron stress on morphological，physiological and biochemical traits of watermelon
7．1 Introduction
7．2 Materials and methods
7．3 Result
7．4 Discussion
CHAPTER 8 Overall Conclusions and Future Prospects
8．1 Overall conclusions
8．2 Future Prospects
References