ArticleThe plant genome2018
Selection in Early Generations to Shift Allele Frequency for Seminal Root Angle in Wheat.
Article in The plant genome, 2018. 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.
- Genome-wide association study of Ethiopian barley germplasm reveals putative genomic loci underlying root system architectural traits at seedling stage.BMC plant biology · 2025Article
- Mapping quantitative trait loci for seminal root angle in a selected durum wheat population.The plant genome · 2025Article
- Article
- Does late water deficit induce root growth or senescence in wheat?Frontiers in plant science · 2024Article
- Regulation of root growth and elongation in wheat.Frontiers in plant science · 2024Review
- Strategies for accelerating genetic gains in crop plants: special focus on speed breeding.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
- Isolation and Molecular Characterisation ofPlants (Basel, Switzerland) · 2022Article
- A toolkit to rapidly modify root systems through single plant selection.Plant methods · 2022Article
- Wheat root systems as a breeding target for climate resilience.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- Breeding crops to feed 10 billion.Nature biotechnology · 2019Review
- A Major Root Architecture QTL Responding to Water Limitation in Durum Wheat.Frontiers in plant science · 2019Article
- Selection in Early Generations to Shift Allele Frequency for Seminal Root Angle in Wheat.The plant genome · 2018Article
- A low-cost method to rapidly and accurately screen for transpiration efficiency in wheat.Plant methods · 2018Article
- Speed breeding for multiple quantitative traits in durum wheat.Plant methods · 2018Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A current challenge for plant breeders is the limited ability to phenotype and select for root characteristics to enhance crop productivity. The development of a high-throughput phenotyping method has recently offered new opportunities for the selection of root characteristics in breeding programs. Here, we investigated prospects for phenotypic and molecular selection for seminal root angle (SRA), a key trait associated with mature root system architecture in wheat ( L.). We first investigated genetic diversity for this trait in a panel of 22 wheat lines adapted to Australian environments. The angle between the first pair of seminal roots ranged from 72 to 106°. We then evaluated selection gain via direct phenotypic selection in early generations by comparing the resulting shift in population distribution in tail populations selected for "narrow" and "wide" root angle. Overall, two rounds of selection significantly shifted the mean root angle as much as 10°. Furthermore, comparison of allele frequencies in the tail populations revealed genomic regions under selection, for which marker-assisted selection appeared to be successful. By combining efficient phenotyping and rapid generation advance, lines enriched with alleles for either narrow or wide SRA were developed within only 18 mo. These results suggest that there is a valuable source of allelic variation for SRA that can be harnessed and rapidly introgressed into elite wheat lines.
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