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Developing new sweet potato varieties with improved performance

Code: 9781786763716
Peng Zhang, Weijuan Fan, Hongxia Wang, Yinliang Wu and Wenzhi Zhou, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, China; and Jun Yang, Shanghai Chenshan Plant Science Research Center, Shanghai Chenshan Botanical Garden, China

Chapter synopsis: Novel sweet potato varieties with improved traits are needed, especially for marginal lands and disease-prone regions. However, the high degree of heterozygosity, high levels of male sterility, and self- and interspecific incompatibility of the sweet potato plant results in strong segregation of hybrid progenies. Molecular breeding provides a promising approach for the development of new varieties with value-added traits. This chapter reviews the development and application of genetic transformation and trait improvement to sweet potato, including the development of sweet potato plants which are resistant to disease and abiotic stress, and sweet potatoes with improved starch quality and higher anthocyanin content.

DOI: 10.19103/AS.2017.0016.08
Table of contents 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

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