ArticlePloS one2018
Genetic dissection of the relationships between grain yield components by genome-wide association mapping in a collection of tetraploid wheats.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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46 citing papers in PubMed, 69 citations in OpenAlex.
- Genome-wide association studies reveal genomic regions for kernel-related traits in durum wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Uncovering yield-related traits loci in Chinese wheat landraces using GWAS.Frontiers in plant science · 2026Article
- Reconciliation of wheat 660K and 90K SNP arrays and their utilization in dough rheological properties of bread wheat.Journal of advanced research · 2025Article
- A 25K Wheat SNP Array Revealed the Genetic Diversity and Population Structure of Durum Wheat (International journal of molecular sciences · 2025Article
- Mapping quantitative trait loci for seminal root angle in a selected durum wheat population.The plant genome · 2025Article
- Genome scans capture key adaptation and historical hybridization signatures in tetraploid wheat.The plant genome · 2025Article
- Genome-wide association study identifies QTL and candidate genes for grain size and weight in a Triticum turgidum collection.The plant genome · 2025Article
- QTL Mapping of Yield-Related Traits in Tetraploid Wheat Based on Wheat55K SNP Array.Plants (Basel, Switzerland) · 2024Article
- Independent genetic factors control floret number and spikelet number inFrontiers in plant science · 2024Article
- Genome-wide association study for yield-related traits in faba bean (Frontiers in plant science · 2024Article
- Genomic regions of durum wheat involved in water productivity.Journal of experimental botany · 2024Article
- Genome-wide association mapping in elite winter wheat breeding for yield improvement.Journal of applied genetics · 2023Article
- Genomics for Yield and Yield Components in Durum Wheat.Plants (Basel, Switzerland) · 2023Review
- QTL Mapping for Important Agronomic Traits Using a Wheat55K SNP Array-Based Genetic Map in Tetraploid Wheat.Plants (Basel, Switzerland) · 2023Article
- Discovering Loci for Breeding Prospective and Phenology in Wheat Mediterranean Landraces by Environmental and eigenGWAS.International journal of molecular sciences · 2023Article
- QTL mapping for kernel-related traits in a durum wheat xFrontiers in plant science · 2023Article
- Phenotypic evolution in durum wheat (Frontiers in plant science · 2023Article
- Uncovering the genetic basis for quality traits in the Mediterranean old wheat germplasm and phenotypic and genomic prediction assessment by cross-validation test.Frontiers in plant science · 2023Article
- Article
- Genome-Wide Association Analysis for Hybrid Breeding in Wheat.International journal of molecular sciences · 2022Article
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Increasing grain yield potential in wheat has been a major target of most breeding programs. Genetic advance has been frequently hindered by negative correlations among yield components that have been often observed in segregant populations and germplasm collections. A tetraploid wheat collection was evaluated in seven environments and genotyped with a 90K SNP assay to identify major and stable quantitative trait loci (QTL) for grain yield per spike (GYS), kernel number per spike (KNS) and thousand-kernel weight (TKW), and to analyse the genetic relationships between the yield components at QTL level. The genome-wide association analysis detected eight, eleven and ten QTL for KNS, TKW and GYS, respectively, significant in at least three environments or two environments and the mean across environments. Most of the QTL for TKW and KNS were found located in different marker intervals, indicating that they are genetically controlled independently by each other. Out of eight KNS QTL, three were associated to significant increases of GYS, while the increased grain number of five additional QTL was completely or partially compensated by decreases in grain weight, thus producing no or reduced effects on GYS. Similarly, four consistent and five suggestive TKW QTL resulted in visible increase of GYS, while seven additional QTL were associated to reduced effects in grain number and no effects on GYS. Our results showed that QTL analysis for detecting TKW or KNS alleles useful for improving grain yield potential should consider the pleiotropic effects of the QTL or the association to other QTLs.
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