声明
摘要
Abstract
Contents
Abbreviation
Chapter Ⅰ:General Introduction
1.1 History and origin of potato
1.2 Potato production in the world
1.3 Plant morphological characteristics as a tool in monitoring response to environmental factors
1.4 Effect of growth regulators in tissue culture
1.5 The impact of light on plantlets in vitro culture techniques
1.5.1 Light-emitting diodes (LED)
1.5.2 Light intensity studies
1.6 The effect of water stress on plants
1.6.1 Potato responses of water stress
1.6.2 Drought tolerance machineries in plant growth
1.6.3 Polyethylene glycol (PEG)
1.7 Soilless culture
1.7.1 Substrate culture
1.7.2 Advantages of soilless culture
1.8 Research significance
1.9 Problem statement and research objectives
Chapter Ⅱ:Effects of Lemon Juice on Plant Growth for Different Varieties of Potato (Solanum tuberosum L.) In-Vitro
2.1 Abstract
2.2 Introduction
2.3 Materials and methods
2.3.1 Plant material
2.3.2 Culture media and conditions
2.3.3 Explant preparation and culture
2.3.4 Data collection after plantlets production
2.3.5 Statistical analysis
2.4 Results
2.4.1 Length of plantlets (cm)
2.4.2 Length of roots (cm)
2.4.3 Number of roots
2.4.4 Number of nodes
2.4.5 Number of branches
2.4.6 Number of leafs
2.4.7 Size of leafs
2.4.8 Weight of plantlets (mg)
2.5 Discussion
2.6 Conclusion
Chapter Ⅲ:Effects of Different Photoperiod Combinations In-Vitro on Plantlets Growth of Potato (Solanum tuberosum L.)
3.1 Abstract
3.2 Introduction
3.3 Materials and Methods
3.3.1 Plants materials
3.3.2 Preparing of media
3.3.3 Growth conditions
3.3.4 Morphological characteristics
3.3.5 Statistical analysis
3.4 Results
3.4.1 Results of experiment(Ⅰ):LED light treatments under light intensity
3.4.2 Experiment(Ⅱ):In vitro plantlet production under different light intensities
3.5 Discussion
3.6 Conclusion
Chapter Ⅳ:Evaluation of Drought Tolerance Response in Varieties of Potato under Greenhouse Conditions in Soilless Culture
4.1 Abstract
4.2 Introduction
4.3 Materials and methods
4.3.1 Plant materials
4.3.2 Experiment(Ⅰ):Effect evaluation of drought stress by PEG-8000
4.3.3 Experiment(Ⅱ):Evaluation of potato varieties for drought tolerance
4.3.4 Preparation and treatment of PEG-8000
4.3.5 Data collection and statistical analysis
4.4 Results
4.4.1 Effect evaluation of drought stress by PEG-8000
4.4.2 Evaluation of potato varieties for drought tolerance
4.5 Discussion
4.6 Conchsion
General Conclusion
Research Innovation
References
Acknowledgements
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