Sesión IV Corte III (8 de julio de 2026)
Perfilado de sección
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Independent Activity.
Access and read the source document.
Access, read, and complete the questionnaire.
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Genomic selection (GS) is one of the most revolutionary tools in modern plant breeding, especially in allogamous species, where there is high heterozygosity, strong heterosis, and high genetic variability. Recent studies highlight that GS allows for the prediction of an individual’s genetic value using thousands of SNP markers distributed throughout the genome, without the need to first identify specific QTLs. High heterozygosity, broad genetic variability, the importance of additive and non-additive effects, the need to evaluate combinatorial ability, and programs based on recurrent populations and hybrids all make traditional phenotypic evaluation slow and costly, whereas GS allows for the selection of superior individuals from early stages.
Genomic selection (GS) has become a key tool for accelerating the breeding of self-pollinating species, making it possible to predict the genetic value of lines at early stages using thousands of markers distributed throughout the genome. Although GS initially emerged in animal breeding programs, its adoption in self-pollinating crops such as rice, wheat, soybeans, and beans has increased significantly due to its ability to increase annual genetic gain and shorten the duration of selection cycles.
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Genomic selection (GS) is one of the most revolutionary tools in modern plant breeding, especially in allogamous species, where there is high heterozygosity, strong heterosis, and high genetic variability. Recent studies highlight that GS allows for the prediction of an individual’s genetic value using thousands of SNP markers distributed throughout the genome, without the need to first identify specific QTLs. High heterozygosity, broad genetic variability, the importance of additive and non-additive effects, the need to evaluate combinatorial ability, and programs based on recurrent populations and hybrids all make traditional phenotypic evaluation slow and costly, whereas GS allows for the selection of superior individuals from early stages.
Genomic selection has transformed the breeding of cross-pollinated species because it allows for the prediction of an individual’s genetic value using comprehensive genomic information, thereby accelerating recurrent selection cycles and optimizing the development of superior hybrids. Its greatest impact is seen in the improvement of combinatorial ability and the efficient exploitation of heterosis—fundamental aspects in crops such as corn, rye, sunflower, and other cross-pollinated species
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Genomic selection (GS) has become a key tool for accelerating the breeding of self-pollinating species, making it possible to predict the genetic value of lines at early stages using thousands of markers distributed throughout the genome. Although GS initially emerged in animal breeding programs, its adoption in self-pollinating crops such as rice, wheat, soybeans, and beans has increased significantly due to its ability to increase annual genetic gain and shorten the duration of selection cycles.
Self-pollinating species are characterized by: high homozygosity, low heterozygosity, low inbreeding depression, varieties composed of inbred lines, and a predominance of additive genetic effects. In these species, GS allows for the early identification of superior lines without having to wait for several generations of phenotypic evaluation. GS uses information from thousands of SNPs to estimate an individual’s genetic potential.
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Acceder al documento, leer las instrucciones y estar atento a la guía presencial.
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Promocionando el Programa de Agronomía a través de la Radio Nacional de Colombia. 16 de julio de 2026
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