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Doubled haploid production in wheat

Code: 9781838798222
Publication date: 27/06/2019
Extent: 24 pages

Contributions by: W. Tadesse, M. Sanchez-Garcia, S. Tawkaz and M. Baum, International Center for Agricultural Research in the Dry Areas (ICARDA), Morocco

Chapter synopsis: A doubled haploid is a genotype formed from haploid (n) cells through random chromosome doubling or artificially induced chromosome doubling methods. In vitro haploid production followed by chromosome doubling greatly enhances the production of homozygous wheat lines in a single generation and increases the precision and efficiency of the selection process in wheat breeding. This chapter outlines the origin and production of doubled haploids (DH), detailed procedures of DH production using anther culture and the wide cross system using maize. The chapter analyses the application of DH in wheat breeding, integration of DH with marker assisted selection (MAS) and genomic selection (GS) schemes.

DOI: 10.19103/AS.2019.0051.03
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Table of contents 1 Introduction 2 Origin and production of doubled haploids 3 Comparison of induction methods 4 Doubled haploid breeding 5 Factors to be considered in DH wheat breeding 6 Conclusion 7 Where to look for further information 8 References

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