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Breeding schemes for the implementation of genomic selection in wheat (Triticum spp.)

Abstract : In the last decade the breeding technology referred to as 'genomic selection' (GS) has been implemented in a variety of species, with particular success in animal breeding. Recent research shows the potential of GS to reshape wheat breeding. Many authors have concluded that the estimated genetic gain per year applying GS is several times that of conventional breeding. GS is, however, a new technology for wheat breeding and many programs worldwide are still struggling to identify the best strategy for its implementation. This article provides practical guidelines on the key considerations when implementing GS. A review of the existing GS literature for a range of species is provided and used to prime breeder-oriented considerations on the practical applications of GS. Furthermore, this article discusses potential breeding schemes for GS, genotyping considerations, and methods for effective training population design. The components of selection intensity, progress toward inbreeding in half- or full-sibs recurrent schemes, and the generation of selection are also presented.
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https://hal.archives-ouvertes.fr/hal-01276725
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Submitted on : Friday, February 19, 2016 - 8:19:23 PM
Last modification on : Monday, August 30, 2021 - 3:18:02 PM

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Filippo M Bassi, Alison R Bentley, Gilles Charmet, Rodomiro Ortiz, Jose Crossa. Breeding schemes for the implementation of genomic selection in wheat (Triticum spp.). Plant Science, Elsevier, 2016, 242, pp.23-36. ⟨10.1016/j.plantsci.2015.08.021⟩. ⟨hal-01276725⟩

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