ArticleJournal of applied genetics2021
Identification of major QTL for waterlogging tolerance in maize using genome-wide association study and bulked sample analysis.
Article in Journal of applied genetics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 24 citations in OpenAlex.
- Genetic determinants of aerial root morphology in Sierra Mixe-derived maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Hybrid origin and phenotype evolution of the modern maize.Journal of integrative plant biology · 2026Review
- A minimal mechanistic model of plant responses to oxygen deficit during waterlogging.Quantitative plant biology · 2025Article
- GWAS of adventitious root formation in roses identifies a putative phosphoinositide phosphatase (SAC9) for marker-assisted selection.PloS one · 2023Article
- Genome sequencing reveals evidence of adaptive variation in the genus Zea.Nature genetics · 2022Article
- Genome-wide association study reveals the genetic basis of brace root angle and diameter in maize.Frontiers in genetics · 2022Article
- A Bivariate Mapping Model Identifies Major Covariation QTLs for Biomass Allocation Between Leaf and Stem Growth ofFrontiers in genetics · 2021Article
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
Abstract
Waterlogging has increasingly become one of the major constraints to maize (Zea mays L.) production in some maize growing areas as it seriously decreases the yield. Waterlogging tolerance in maize germplasm provides a basis for maize waterlogging improvement. In this study, nine seedling traits, plant height (PH), root length (RL), shoot dry weight (SDW), root dry weight (RDW), adventitious root number (ARN), node number of brace root (BRNN), brace root number (BRN), brace root dry weigh (BRDW), survival rate (SR), and the secondary traits that were defined as relative phenotypic value of seedling traits under waterlogging and control treatments were used in a natural population that contain 365 inbred lines to evaluate the waterlogging tolerance of tropical maize. The result showed that maize waterlogging tolerance was genetically controlled and seedling traits were significantly different between the control and waterlogging treatments. PH, RL, SDW, and RDW are important seedling traits for waterlogging tolerance identification. Some tropical maize inbred lines were identified with extreme waterlogging tolerance that can provide an important germplasm resource for breeding. Population structure analysis showed that two major phylogenetic subgroups in tropical maize could be identified. Genome-wide association study (GWAS) using 39,266 single nucleotide polymorphisms (SNPs) across the whole genome identified 49 trait-SNPs distributed on over all 10 chromosomes excluding chromosome 10. Seventy-one significant SNPs, distributed on all 10 chromosomes excluding chromosome 5, were identified by extend bulked sample analysis (Ext-BSA) based on the inbred lines with extreme phenotypes. GWAS and Ext-BSA identified the same loci on bin1.07, bin6.01, bin2.09, bin6.04, bin7.02, and bin7.03. Nine genes were proposed as potential candidate genes. Cloning and functional validation of these genes would be helpful for understanding the molecular mechanism of waterlogging tolerance in maize.
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