ArticleFrontiers in plant science2020
Genetic Dissection of Nitrogen Use Efficiency in Tropical Maize Through Genome-Wide Association and Genomic Prediction.
Article in Frontiers in plant science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
- A genome-wide association study unveils the genetic architecture of morphological and biomass partitioning traits in maize under iron-deficient stress.Scientific reports · 2026Article
- Genome-wide association analysis identifies seven loci conferring resistance to multiple wheat foliar diseases, including brown and yellow rust resistance originating from Aegilops ventricosa.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Genome-wide association mapping and genomic prediction analyses reveal the genetic architecture of grain yield and agronomic traits under drought and optimum conditions in maize.BMC plant biology · 2025Article
- SeqSNP-based genic markers reveal genetic architecture and candidate genes for low nitrogen tolerance in tropical maize inbred lines.Frontiers in plant science · 2025Article
- Harnessing genomic technologies for one health solutions in the tropics.Globalization and health · 2024Review
- Domestication and the evolution of crops: variable syndromes, complex genetic architectures, and ecological entanglements.The Plant cell · 2024Review
- A combination of joint linkage and genome-wide association study reveals putative candidate genes associated with resistance to northern corn leaf blight in tropical maize.Frontiers in plant science · 2024Article
- Linkage mapping and genomic prediction of grain quality traits in tropical maize (Frontiers in genetics · 2024Article
- Genetic variation among elite inbred lines suggests potential to breed for BNI-capacity in maize.Scientific reports · 2023Article
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- Review
- Discovery of genomic regions associated with grain yield and agronomic traits in Bi-parental populations of maize (Frontiers in genetics · 2023Article
- Genome-wide association studies of grain yield and quality traits under optimum and low-nitrogen stress in tropical maize (Zea mays L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Genetic trends in CIMMYT's tropical maize breeding pipelines.Scientific reports · 2022Article
- Combining datasets for maize root seedling traits increases the power of GWAS and genomic prediction accuracies.Journal of experimental botany · 2022Article
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- Genotyping Platforms for Genome-Wide Association Studies: Options and Practical Considerations.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Genome-wide association mapping in maize: status and prospects.3 Biotech · 2021Review
- Genetic dissection of Striga hermonthica (Del.) Benth. resistance via genome-wide association and genomic prediction in tropical maize germplasm.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In sub-Saharan Africa, one of the major challenges to smallholder farmers is soil with low fertility and inability to apply nitrogen fertilizer externally due to the cost. Development of maize hybrids, which perform better in nitrogen depleted soils, is one of the promising solutions. However, breeding maize for nitrogen use efficiency (NUE) is hindered by expensive phenotypic evaluations and trait complexity under low N stress. Genome-wide association study (GWAS) and genomic prediction (GP) are promising tools to circumvent this interference. Here, we evaluated a mapping panel in diverse environments both under optimum and low N management. The objective of this study was to identify SNPs significantly associated with grain yield (GY) and other traits through GWAS and assess the potential of GP under low N and optimum conditions. Testcross progenies of 411 inbred lines were planted under optimum and low N conditions in several locations in Africa and Latin America. In all locations, low N fields were previously depleted over several seasons, and no N fertilizer was applied throughout the growing season. All inbred lines were genotyped with genotyping by sequencing. Genotypic and GxE interaction variances were significant, and heritability estimates were moderate to high for all traits under both optimum and low N conditions. Genome-wide LD decay at
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