ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2019
Assessment of breeding programs sustainability: application of phenotypic and genomic indicators to a North European grain maize program.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Twenty-one years of three-way hybrid breeding shaped diversity and complementarity of male and female gene pools in sugar beet.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Genomic prediction-aided incorporation of genetic resources into elite breeding: lessons from a collaborative multiparental design in flint maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Evolution of population structure in a commercial European hybrid dent maize breeding program and consequences on genetic diversity.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Assessing the potential of genetic resource introduction into elite germplasm: a collaborative multiparental population for flint maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Influence of the mating design on the additive genetic variance in plant breeding populations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Improving the use of plant genetic resources to sustain breeding programs' efficiency.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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- Selection and drift reduce genetic variation for milk yield in Manech Tête Rousse dairy sheep.JDS communications · 2021Article
- Impact of Genomic Prediction Model, Selection Intensity, and Breeding Strategy on the Long-Term Genetic Gain and Genetic Erosion in Soybean Breeding.Frontiers in genetics · 2021Article
- Revisiting hybrid breeding designs using genomic predictions: simulations highlight the superiority of incomplete factorials between segregating families over topcross designs.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Optimized breeding strategies to harness genetic resources with different performance levels.BMC genomics · 2020Article
- Genomic prediction with a maize collaborative panel: identification of genetic resources to enrich elite breeding programs.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Improving Short- and Long-Term Genetic Gain by Accounting for Within-Family Variance in Optimal Cross-Selection.Frontiers in genetics · 2019Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
key messageWe review and propose easily implemented and affordable indicators to assess the genetic diversity and the potential of a breeding population and propose solutions for its long-term management. Successful plant breeding programs rely on balanced efforts between short-term goals to develop competitive cultivars and long-term goals to improve and maintain diversity in the genetic pool. Indicators of the sustainability of response to selection in breeding pools are of key importance in this context. We reviewed and proposed sets of indicators based on temporal phenotypic and genotypic data and applied them on an early maize grain program implying two breeding pools (Dent and Flint) selected in a reciprocal manner. Both breeding populations showed a significant positive genetic gain summing up to 1.43 qx/ha/year but contrasted evolutions of genetic variance. Advances in high-throughput genotyping permitted the identification of regions of low diversity, mainly localized in pericentromeric regions. Observed changes in genetic diversity were multiple, reflecting a complex breeding system. We estimated the impact of linkage disequilibrium (LD) and of allelic diversity on the additive genetic variance at a genome-wide and chromosome-wide scale. Consistently with theoretical expectation under directional selection, we found a negative contribution of LD to genetic variance, which was unevenly distributed between chromosomes. This suggests different chromosome selection histories and underlines the interest to recombine specific chromosome regions. All three sets of indicators valorize in house data and are easy to implement in the era of genomic selection in every breeding program.
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