ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
Mapping QTLs controlling kernel dimensions in a wheat inter-varietal RIL mapping population.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Independent genetic factors control floret number and spikelet number inFrontiers in plant science · 2024Article
- Fine mapping of KLW1 that conditions kernel weight mainly through regulating kernel length in wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Construction of a high-density genetic map for faba bean (Frontiers in plant science · 2023Article
- QTL cluster analysis and marker development for kernel traits based on DArT markers in spring bread wheat (Frontiers in plant science · 2023Article
- Combining QTL mapping and gene co-expression network analysis for prediction of candidate genes and molecular network related to yield in wheat.BMC plant biology · 2022Article
- Fine mapping KT1 on wheat chromosome 5A that conditions kernel dimensions and grain weight.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Quantitative trait loci identification and breeding value estimation of grain weight-related traits based on a new wheat 50K single nucleotide polymorphism array-derived genetic map.Frontiers in plant science · 2022Article
- Genetic architecture and candidate gene identification for grain size in bread wheat by GWAS.Frontiers in plant science · 2022Article
- Exploitation of Tolerance of Wheat Kernel Weight and Shape-Related Traits fromInternational journal of molecular sciences · 2021Article
- Identification and validation of quantitative trait loci for kernel traits in common wheat (Triticum aestivum L.).BMC plant biology · 2020Article
- QTL mapping for grain yield-related traits in bread wheat via SNP-based selective genotyping.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Dissection of genetic factors underlying grain size and fine mapping of QTgw.cau-7D in common wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Unraveling the genetic architecture of grain size in einkorn wheat through linkage and homology mapping and transcriptomic profiling.Journal of experimental botany · 2019Article
- Genomic Regions From an Iranian Landrace Increase Kernel Size in Durum Wheat.Frontiers in plant science · 2019Article
- Genome-wide linkage mapping of yield-related traits in three Chinese bread wheat populations using high-density SNP markers.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- QTL Detection for Kernel Size and Weight in Bread Wheat (Frontiers in plant science · 2018Article
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8 authors.
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Abstract
key messageSeven kernel dimension QTLs were identified in wheat, and kernel thickness was found to be the most important dimension for grain weight improvement. Kernel morphology and weight of wheat (Triticum aestivum L.) affect both yield and quality; however, the genetic basis of these traits and their interactions has not been fully understood. In this study, to investigate the genetic factors affecting kernel morphology and the association of kernel morphology traits with kernel weight, kernel length (KL), width (KW) and thickness (KT) were evaluated, together with hundred-grain weight (HGW), in a recombinant inbred line population derived from Nanda2419 × Wangshuibai, with data from five trials (two different locations over 3 years). The results showed that HGW was more closely correlated with KT and KW than with KL. A whole genome scan revealed four QTLs for KL, one for KW and two for KT, distributed on five different chromosomes. Of them, QKl.nau-2D for KL, and QKt.nau-4B and QKt.nau-5A for KT were newly identified major QTLs for the respective traits, explaining up to 32.6 and 41.5% of the phenotypic variations, respectively. Increase of KW and KT and reduction of KL/KT and KW/KT ratios always resulted in significant higher grain weight. Lines combining the Nanda 2419 alleles of the 4B and 5A intervals had wider, thicker, rounder kernels and a 14% higher grain weight in the genotype-based analysis. A strong, negative linear relationship of the KW/KT ratio with grain weight was observed. It thus appears that kernel thickness is the most important kernel dimension factor in wheat improvement for higher yield. Mapping and marker identification of the kernel dimension-related QTLs definitely help realize the breeding goals.
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