Application of genomic selection at the early stage of breeding pipeline in tropical maize

Y Beyene, M Gowda, P Pérez-Rodríguez… - Frontiers in Plant …, 2021 - frontiersin.org
In maize, doubled haploid (DH) line production capacity of large-sized maize breeding
programs often exceeds the capacity to phenotypically evaluate the complete set of testcross …

Empirical comparison of tropical maize hybrids selected through genomic and phenotypic selections

Y Beyene, M Gowda, M Olsen, KR Robbins… - Frontiers in plant …, 2019 - frontiersin.org
Genomic selection predicts the genomic estimated breeding values (GEBVs) of individuals
not previously phenotyped. Several studies have investigated the accuracy of genomic …

Effect of trait heritability, training population size and marker density on genomic prediction accuracy estimation in 22 bi-parental tropical maize populations

A Zhang, H Wang, Y Beyene, K Semagn… - Frontiers in Plant …, 2017 - frontiersin.org
Genomic selection is being used increasingly in plant breeding to accelerate genetic gain
per unit time. One of the most important applications of genomic selection in maize breeding …

Across-years prediction of hybrid performance in maize using genomics

TA Schrag, W Schipprack, AE Melchinger - Theoretical and Applied …, 2019 - Springer
Key message Inclusion of historical training data improved the genomics-based prediction of
performance of maize hybrids, the extent depending on the phenotypic trait and genotype-by …

Genome-based prediction of maize hybrid performance across genetic groups, testers, locations, and years

T Albrecht, HJ Auinger, V Wimmer, JO Ogutu… - Theoretical and applied …, 2014 - Springer
Key message The calibration data for genomic prediction should represent the full genetic
spectrum of a breeding program. Data heterogeneity is minimized by connecting data …

Maximizing efficiency of genomic selection in CIMMYT's tropical maize breeding program

SA Atanda, M Olsen, J Burgueño, J Crossa… - Theoretical and Applied …, 2021 - Springer
Key message Historical data from breeding programs can be efficiently used to improve
genomic selection accuracy, especially when the training set is optimized to subset …

Novel strategies for genomic prediction of untested single-cross maize hybrids using unbalanced historical data

KOG Dias, HP Piepho, LJM Guimarães… - Theoretical and Applied …, 2020 - Springer
Key message Weighted outperformed unweighted genomic prediction using an unbalanced
dataset representative of a commercial breeding program. Moreover, the use of the two …

Optimizing genomic-enabled prediction in small-scale maize hybrid breeding programs: a roadmap review

R Fritsche-Neto, G Galli, KLR Borges… - Frontiers in Plant …, 2021 - frontiersin.org
The usefulness of genomic prediction (GP) for many animal and plant breeding programs
has been highlighted for many studies in the last 20 years. In maize breeding programs …

[HTML][HTML] Factors affecting genomic selection revealed by empirical evidence in maize

X Liu, H Wang, H Wang, Z Guo, X Xu, J Liu, S Wang… - The Crop Journal, 2018 - Elsevier
Genomic selection (GS) as a promising molecular breeding strategy has been widely
implemented and evaluated for plant breeding, because it has remarkable superiority in …

Genome properties and prospects of genomic prediction of hybrid performance in a breeding program of maize

F Technow, TA Schrag, W Schipprack, E Bauer… - Genetics, 2014 - academic.oup.com
Maize (Zea mays L.) serves as model plant for heterosis research and is the crop where
hybrid breeding was pioneered. We analyzed genomic and phenotypic data of 1254 hybrids …