ArticlePloS one2012
Genetic diversity, population structure and linkage disequilibrium in elite Chinese winter wheat investigated with SSR markers.
Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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55 citing papers in PubMed.
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- Widely untargeted metabolomic profiling unearths metabolites and pathways involved in leaf senescence and N remobilization in spring-cultivated wheat under different N regimes.Frontiers in plant science · 2023Article
- Genome-Wide Association Study of Root-Lesion Nematodes Pratylenchus Species and Crown RotLife (Basel, Switzerland) · 2022Article
- Genotyping-by-Sequencing Based Molecular Genetic Diversity of Pakistani Bread Wheat (Frontiers in genetics · 2022Article
- Genetic Diversity, Linkage Disequilibrium and Population Structure of Bulgarian Bread Wheat Assessed by Genome-Wide Distributed SNP Markers: From Old Germplasm to Semi-Dwarf Cultivars.Plants (Basel, Switzerland) · 2021Article
- Population structure and genome-wide association studies in bread wheat for phosphorus efficiency traits using 35 K Wheat Breeder's Affymetrix array.Scientific reports · 2021Article
- Genome-wide association analysis of Mexican bread wheat landraces for resistance to yellow and stem rust.PloS one · 2021Article
- Discovery of miRNAs and Development of Heat-Responsive miRNA-SSR Markers for Characterization of Wheat Germplasm for Terminal Heat Tolerance Breeding.Frontiers in genetics · 2021Article
- Population structure of Nepali spring wheat (Triticum aestivum L.) germplasm.BMC plant biology · 2020Article
- Genome-wide association analysis of stem water-soluble carbohydrate content in bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Exome association analysis sheds light onto leaf rust (Puccinia triticina) resistance genes currently used in wheat breeding (Triticum aestivum L.).Plant biotechnology journal · 2020Article
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- Molecular Markers Associated with Agro-Physiological Traits under Terminal Drought Conditions in Bread Wheat.International journal of molecular sciences · 2020Article
- Morphological and Genetic Diversity within Salt Tolerance Detection in Eighteen Wheat Genotypes.Plants (Basel, Switzerland) · 2020Article
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- Selection criteria for high-yielding and early-flowering bread wheat hybrids under heat stress.PloS one · 2020Article
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4 authors.
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Abstract
To ascertain genetic diversity, population structure and linkage disequilibrium (LD) among a representative collection of Chinese winter wheat cultivars and lines, 90 winter wheat accessions were analyzed with 269 SSR markers distributed throughout the wheat genome. A total of 1,358 alleles were detected, with 2 to 10 alleles per locus and a mean genetic richness of 5.05. The average genetic diversity index was 0.60, with values ranging from 0.05 to 0.86. Of the three genomes of wheat, ANOVA revealed that the B genome had the highest genetic diversity (0.63) and the D genome the lowest (0.56); significant differences were observed between these two genomes (P<0.01). The 90 Chinese winter wheat accessions could be divided into three subgroups based on STRUCTURE, UPGMA cluster and principal coordinate analyses. The population structure derived from STRUCTURE clustering was positively correlated to some extent with geographic eco-type. LD analysis revealed that there was a shorter LD decay distance in Chinese winter wheat compared with other wheat germplasm collections. The maximum LD decay distance, estimated by curvilinear regression, was 17.4 cM (r(2)>0.1), with a whole genome LD decay distance of approximately 2.2 cM (r(2)>0.1, P<0.001). Evidence from genetic diversity analyses suggest that wheat germplasm from other countries should be introduced into Chinese winter wheat and distant hybridization should be adopted to create new wheat germplasm with increased genetic diversity. The results of this study should provide valuable information for future association mapping using this Chinese winter wheat collection.
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