Achieving sustainable cultivation of potatoes Volume 1: Breeding improved varieties

Contents

Series list

Acknowledgement

Introduction

Part 1  Plant physiology and breeding

Chapter 1  Advances in understanding potato plant physiology and growth

1 Introduction

2 Crop rotation, planting and initial crop development

3 Development of the potato plant

4 Potato responses to water and heat stresses

5 Potato responses to nutrient availability

6 Additional factors affecting sustainable production

7 Summary

8 Future trends

9 Where to look for further information

10 References

Chapter 2  Understanding ageing processes in seed potatoes

1 Introduction: seed tubers as the main propagules in potato production

2 Quality characteristics of seed tubers

3 Dormancy and physiological age

4 The importance of seed quality as a yield-limiting and quality-determining factor

5 Understanding dormancy, bud activation, initial sprout growth and apical dominance

6 Understanding ageing in sprouts and mother tubers

7 Analysis of the dynamic development of physiological age and resulting crop performance

8 Causes of variation in physiological age and options for manipulation

9 Summary and future trends

10 Where to look for further information

11 References

Chapter 3  Ensuring the genetic diversity of potatoes

1 Introduction

2 Acquisition of potato genetic material

3 Classification of potato genetic material

4 Preservation of potato genetic material

5 Evaluation and enhancement of potato genetic material

6 Legal custody and access to potato genetic material

7 Conclusion and future trends

8 Where to look for further information

9 References

Chapter 4  Advances in conventional potato-breeding techniques

1 Introduction

2 Parental line selection

3 Progeny selection

4 Improving the speed and success rate of selection

5 Summary

6 References

Chapter 5  Hybrid potato breeding for improved varieties

1 Introduction

2 The scientific basis for hybrid potato breeding

3 The state of the art of hybrid potato breeding

4 Production and commercialization of hybrid seed cultivars

5 Inbred lines for genetic research

6 Cropping systems based on true seeds

7 Case studies

8 Conclusion

9 Where to look for further information

10 Acknowledgements

11 References

Part 2  Improving particular traits

Chapter 6  Advances in development of potato varieties resistant to abiotic stress

1 Introduction

2 Abiotic stress improvement targets for potatoes

3 Technological advances to develop abiotic stress resistant/tolerant varieties

4 Future trends and conclusion

5 References

Chapter 7  Developing early-maturing and stress-resistant potato varieties

1 Introduction

2 Selecting germplasm and traits for breeding early-maturing varieties

3 Genetic aspects of earliness and breeding strategy

4 Early tuber initiation

5 High dry matter partitioning efficiency

6 Basic factors in breeding for earliness in the potato

7 Breeding strategies for earliness and stress resistance

8 Genetic aspects

9 Case study: developing an early-maturing, moderately late-blight-resistant Kufri Khyati potato variety for Indian plains

10 Future trends and conclusion

11 Acknowledgments

12 Where to look for further information

13 References

Chapter 8  Developing new sweet potato varieties with improved performance

1 Introduction

2 Genetic transformation of sweet potato from model cultivars to farmer-preferred cultivars

3 Production of disease-resistant sweet potato

4 Production of sweet potato resistant to abiotic stresses

5 Starch modification for industrial applications

6 Increased understanding of storage root development for better yield

7 Production of purple sweet potato with increased anthocyanin content

8 Conclusion and perspectives

9 Where to look for further information

10 Acknowledgements

11 References

Chapter 9  Nutritional properties and enhancement/biofortification of potatoes

1 Introduction

2 The vitamin B family

3 Vitamin C

4 Potassium

5 Carotenoids

6 Potato phenylpropanoids

7 Glycoalkaloids

8 Conclusion and future trends

9 Where to look for further information

10 References

Chapter 10  Improving the breeding, cultivation and use of sweetpotato in Africa

1 Introduction

2 Programmes for improving sweetpotato as a crop

3 Developments in breeding and seed dissemination

4 Improvements in cultivation and post-harvest handling

5 Nutritional quality and its improvement

6 Crop diversification for new uses

7 Case studies: Malawi

8 Case studies: Ghana

9 Conclusion and future trends

10 Where to look for further information

11 Acknowledgements

12 References

Part 3  Translating research into practice: improving cultivation in the developing world

Chapter 11  Potato production and breeding in China

1 Introduction

2 Current production and consumption

3 Key trends and challenges

4 Germplasm material

5 Breeding objectives and development

6 Types of new variety

7 Virus-free seed potato production

8 Future trends

9 Where to look for further information

10 References

Chapter 12  Improving potato cultivation to promote food self-sufficiency in Africa

1 Introduction

2 Potato production in Africa and its challenges

3 Variety development and promotion

4 Systems and programs to support potato production in Africa

5 Prospects for development and poverty alleviation: opportunities and challenges

6 Future prospects

7 Conclusion

8 Where to look for further information

9 References

Chapter 13  Supporting smallholder women farmers in potato cultivation

1 Introduction

2 The importance of potato cultivation to African smallholders

3 The role of women in potato cultivation

4 Challenges facing women smallholders

5 Strategies to support women smallholders

6 Conclusion and future trends

7 Where to look for further information

8 References

Index