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Genome wide identification of QTL associated with yield and yield components in two popular wheat cultivars TAM 111 and TAM 112

Yang, Yan ; Dhakal, Smit ; Chu, Chenggen ; Wang, Shichen ; Xue, Qingwu ; Rudd, Jackie C ; Ibrahim, Amir M H ; Jessup, Kirk ; Baker, Jason ; Fuentealba, Maria Pilar ; Devkota, Ravindra ; Baker, Shannon ; Johnson, Charles D ; Metz, Richard ; Liu, Shuyu Rahimi, Mehdi

PloS one, 2020-12, Vol.15 (12), p.e0237293-e0237293 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Genome wide identification of QTL associated with yield and yield components in two popular wheat cultivars TAM 111 and TAM 112
Autor: Yang, Yan ; Dhakal, Smit ; Chu, Chenggen ; Wang, Shichen ; Xue, Qingwu ; Rudd, Jackie C ; Ibrahim, Amir M H ; Jessup, Kirk ; Baker, Jason ; Fuentealba, Maria Pilar ; Devkota, Ravindra ; Baker, Shannon ; Johnson, Charles D ; Metz, Richard ; Liu, Shuyu
Rahimi, Mehdi
Assuntos: Agricultural Irrigation ; Agricultural production ; Alleles ; Arid zones ; Bioinformatics ; Biology and Life Sciences ; Biomass ; Chromosome Mapping ; Chromosomes ; Chromosomes, Plant - genetics ; Crop science ; Crop yield ; Crop yields ; Cultivars ; Deoxyribonucleic acid ; DNA ; DNA sequencing ; DNA, Plant - genetics ; Drought ; Drought resistance ; Gene mapping ; Gene sequencing ; Gene-Environment Interaction ; Genetic aspects ; Genetic Association Studies ; Genetic control ; Genetic Linkage ; Genetic Markers ; Genome-wide association studies ; Genome-Wide Association Study ; Genomes ; Genomics ; Genotype ; Genotyping ; Grain ; Haplotypes ; Haplotypes - genetics ; Identification and classification ; Inbreeding ; Kernels ; Markers ; Multifactorial Inheritance - genetics ; Organ Size ; Physiological aspects ; Plant Breeding ; Polymorphism, Single Nucleotide ; Quantitative Trait Loci ; Quantitative Trait, Heritable ; Research and Analysis Methods ; Seeds ; Single-nucleotide polymorphism ; Spikes ; Triticum - genetics ; Triticum - physiology ; Varieties ; Weight ; Wheat
É parte de: PloS one, 2020-12, Vol.15 (12), p.e0237293-e0237293
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Competing Interests: NO authors have competing interests
Current address: USDA-ARS, Sugarbeet & Potato Research Unit, Edward T. Schafer Agricultural Research Center, Fargo, ND, United States of America
Descrição: Two drought-tolerant wheat cultivars, 'TAM 111' and 'TAM 112', have been widely grown in the Southern Great Plains of the U.S. and used as parents in many wheat breeding programs worldwide. This study aimed to reveal genetic control of yield and yield components in the two cultivars under both dryland and irrigated conditions. A mapping population containing 124 F5:7 recombinant inbred lines (RILs) was developed from the cross of TAM 112/TAM 111. A set of 5,948 SNPs from the wheat 90K iSelect array and double digest restriction-site associated DNA sequencing was used to construct high-density genetic maps. Data for yield and yield components were obtained from 11 environments. QTL analyses were performed based on 11 individual environments, across all environments, within and across mega-environments. Thirty-six unique consistent QTL regions were distributed on 13 chromosomes including 1A, 1B, 1D, 2A, 2D, 3D, 4B, 4D, 6A, 6B, 6D, 7B, and 7D. Ten unique QTL with pleiotropic effects were identified on four chromosomes and eight were in common with the consistent QTL. These QTL increased dry biomass grain yield by 16.3 g m-2, plot yield by 28.1 g m-2, kernels spike-1 by 0.7, spikes m-2 by 14.8, thousand kernel weight by 0.9 g with favorable alleles from either parent. TAM 112 alleles mainly increased spikes m-2 and thousand kernel weight while TMA 111 alleles increased kernels spike-1, harvest index and grain yield. The saturated genetic map and markers linked to significant QTL from this study will be very useful in developing high throughput genotyping markers for tracking the desirable haplotypes of these important yield-related traits in popular parental cultivars.
Editor: United States: Public Library of Science
Idioma: Inglês

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Genome wide identification of QTL associated with yield and yield components in two popular wheat cultivars TAM 111 and TAM 112

Yang, Yan ; Dhakal, Smit ; Chu, Chenggen ; Wang, Shichen ; Xue, Qingwu ; Rudd, Jackie C ; Ibrahim, Amir M H ; Jessup, Kirk ; Baker, Jason ; Fuentealba, Maria Pilar ; Devkota, Ravindra ; Baker, Shannon ; Johnson, Charles D ; Metz, Richard ; Liu, Shuyu Rahimi, Mehdi

United States: Public Library of Science

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