五种高山植物的花部特征变异及其对繁殖成功的影响

• 花匠小妙招
• 2024-09-06 06:23

声明

Acknowledgments

摘要

Abstract

Contents

Chapter Ⅰ．General introduction

1．1 Hypotheses

1．2 Objectives

1．3 Study species

1．3．1 Prunella vulgaris

1．3．2 Roscoea cautleoides

1．3．3 Salvia flava，S．digitaloides，and S．przewalskii

1．4 Study sites

Chapter Ⅱ．Effects of flower size on the mating system in Prunella vulgaris(Lamiaceae)

2．1 Introduction

2．2 Materials and methods

2．2．2 Morphological study

2．2．3 Pollinator observation

2．2．4 Breeding system and the role of autonomous selfing

2．2．5 Stamen emasculation in small flowers

2．2．6 Timing of autonomous self-pollination in small flowers

2．2．7 Inbreeding depression(ID)

2．3 Results

2．3．1 Phenological study

2．3．2 Morphological study

2．3．3 Pollinator observation

2．3．4 Breeding system and the role of autonomous selfing

2．3．5 Stamen emasculation in small flowers

2．3．6 Timing of autonomous self-pollination in small flowers

2．3．7 Inbreeding depression (ID)

2．4 Discussion and conclusion

2．4．1 Mechanism of autonomous selfing

2．4．2 Mode of autonomous selfing

2．4．3 Reproductive assurance and opportunities for outcrossing

Chapter Ⅲ．Effects of floral color dimorphism on reproductive success in Roscoea cautleoides(Zingiberaceae)

3．1 Introduction

3．2 Materials and methods

3．2．1 Trace-element analysis

3．2．2 Phenological study

3．2．3 Morphological study

3．2．4 Nectar volume and sugar concentration

3．2．5 Spectral measurement of flowers

3．2．6 Pollinator observation

3．2．7 Pollen deposition by the bumblebees and moths

3．2．8 Breeding system

3．2．9 Natural controls

3．3 Results

3．3．1 Trace-element analysis

3．3．2 Phenological study

3．3．3 Morphological study

3．3．4 Nectar volume and sugar concentration

3．3．5 Spectral measurement of flowers

3．3．6 Pollinator observation

3．3．7 Foraging time and pollen deposition by the bumblebees and moths

3．3．8 Breeding system

3．3．9 Natural controls

2．4 Discussion and conclusion

2．4．1 Flower color and pollinator preference

2．4．2 The absence of original pollinators of Roscoea species in the Chinese region of Himalayas

Chapter Ⅳ．Patterns of reproductive isolation among three sympatric Salvia species(Lamiaceae)

4．1 Introduction

4．2 Materials and methods

4．2．1 Calculation of RI

4．2．2 Temporal isolation

4．2．3 Pollinator fidelity

4．3 Results

4．3．1 Temporal isolation

4．3．2 Pollinator fidelity

4．4 Discussion and conclusion

4．4．1 Pre-zygotic isolation

4．4．2 Post-zygotic isolation

Chapter Ⅴ．General discussions and conclusions

5．1 Effects of flower size on the mating system in Prunella vulgaris(Lamiaceae)

5．2 Effects of floral color dimorphism on reproductive success in Roscoea cautleoides(Zingiberaceae)

5．3 Patterns of reproductive isolation among three sympatric Salvia species(Lamiaceae)

5．4 Conclusion remarks

References

Appendices

Curriculum vitae

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