ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2010
High congruency of QTL positions for heterosis of grain yield in three crosses of maize.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers, 1 of them a synthesis that pooled it.
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Who cites it
36 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Genome-wide meta-analysis of maize heterosis reveals the potential role of additive gene expression at pericentromeric loci.BMC plant biology · 2014Pooled it
- Six-gene model underlying heterosis for culm length and flowering date in sorghum (Sorghum bicolor (L.) Moench).Scientific reports · 2025Article
- Improving a hybrid from within itself.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Validation of QTLs associated with corn borer resistance and grain yield: implications in maize breeding.Frontiers in plant science · 2024Article
- A genomic analysis of the University of Nebraska Replicated Recurrent Selection program.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Genomic prediction in hybrid breeding: I. Optimizing the training set design.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
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- Dominance Effects and Functional Enrichments Improve Prediction of Agronomic Traits in Hybrid Maize.Genetics · 2020Article
- Dependence of the Heterosis Effect on Genetic Distance, Determined using Various Molecular Markers.Open life sciences · 2020Article
- Identification of quantitative trait loci for kernel-related traits and the heterosis for these traits in maize (Zea mays L.).Molecular genetics and genomics : MGG · 2020Article
- Genetic dissection of yield-related traits and mid-parent heterosis for those traits in maize (Zea mays L.).BMC plant biology · 2019Article
- Use of F2 Bulks in Training Sets for Genomic Prediction of Combining Ability and Hybrid Performance.G3 (Bethesda, Md.) · 2019Article
- Genetic basis of heterosis for yield and yield components explored by QTL mapping across four genetic populations in upland cotton.BMC genomics · 2018Article
- Dissecting the Genetic Basis Underlying Combining Ability of Plant Height Related Traits in Maize.Frontiers in plant science · 2018Article
- Article
- Exploring new alleles for frost tolerance in winter rye.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Genetic dissection of main and epistatic effects of QTL based on augmented triple test cross design.PloS one · 2017Article
- QTL for Maize Midparent Heterosis in the Heterotic Pattern American Dent × European Flint under Corn Borer Pressure.Frontiers in plant science · 2017Article
- Genomewide mapping reveals a combination of different genetic effects causing the genetic basis of heterosis in two elite rice hybrids.Journal of genetics · 2015Article
- What is crop heterosis: new insights into an old topic.Journal of applied genetics · 2015Review
Corrections and comments
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4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The genetic basis of heterosis in maize has been investigated in a number of studies but results have not been conclusive. Here, we compare quantitative trait loci (QTL) mapping results for grain yield, grain moisture, and plant height from three populations derived from crosses of the heterotic pattern Iowa Stiff Stalk Synthetic x Lancaster Sure Crop, investigated with the Design III, and analyzed with advanced statistical methods specifically developed to examine the genetic basis of mid-parent heterosis (MPH). In two populations, QTL analyses were conducted with a joint fit of linear transformations Z (1) (trait mean across pairs of backcross progenies) and Z (2) (half the trait difference between pairs of backcross progenies) to estimate augmented additive and augmented dominance effects of each QTL, as well as their ratio. QTL results for the third population were obtained from the literature. For Z (2) of grain yield, congruency of QTL positions was high across populations, and a large proportion of the genetic variance (~70%) was accounted for by QTL. This was not the case for Z (1) or the other two traits. Further, almost all congruent grain yield QTL were located in the same or an adjacent bin encompassing the centromere. We conclude that different alleles have been fixed in each heterotic pool, which in combination with allele(s) from the opposite heterotic pool lead to high MPH for grain yield. Their positive interactions very likely form the base line for the superior performance of the heterotic pattern under study.
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