Abstract
In crop improvement programs, genomic selection (GS) deals with the selection of superior genotypes to enhance the genetic gain for the trait of economic importance with reduced breeding cycle. Even for the complex quantitative traits that are governed by several genes with each exhibiting small effects, GS has been shown to be a promising tool in contrary to the marker assisted selection (MAS) useful for the traits controlled by few major genes. With the advent of high-throughput genotyping platforms such as SNP (single-nucleotide polymorphism), GS offers ample opportunities to develop marker-based model for the genetic evaluation. There are several factors, that is, heritability of the trait, effective population size, linkage disequilibrium (LD) of markers with quantitative trait loci (QTL) play crucial role in determining the genomic selection accuracy. Among different factors affecting the GS accuracy, choosing an appropriate GS model is an important one. In this chapter, we focus on different variants of Bayesian regression model used for genomic selection. The models and software for the genomic selection using different Bayesian methods are discussed. Besides, genomic selection accuracy for the yield trait of wheat is also demonstrated.
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Meher, P.K., Kumar, A., Pradhan, S.K. (2022). Genomic Selection Using Bayesian Methods: Models, Software, and Application. In: Wani, S.H., Kumar, A. (eds) Genomics of Cereal Crops. Springer Protocols Handbooks. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2533-0_13
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DOI: https://doi.org/10.1007/978-1-0716-2533-0_13
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