ArticleAnnals of botany2022
Maize brace root mechanics vary by whorl, genotype and reproductive stage.
Article in Annals of botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Identification of a Major QTL Controlling Maize Lateral Root Branching Number Through Integrated BSA-Seq and Transcriptome Analysis.International journal of molecular sciences · 2026Article
- Species habitat preferences and root trait variation across 65 temperate perennial forbs.Annals of botany · 2025Article
- Graft incompatibility between pepper and tomato elicits an immune response and triggers localized cell death.Horticulture research · 2024Article
- Graft incompatibility between pepper and tomato can be attributed to genetic incompatibility between diverged immune systems.bioRxiv : the preprint server for biology · 2024Article
- The Invisible Frontline: High-Tech Root Imaging for Crop Stress Adaptation.Physiologia plantarumReview
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsRoot lodging is responsible for significant crop losses worldwide. During root lodging, roots fail by breaking, buckling or pulling out of the ground. In maize, above-ground roots, called brace roots, have been shown to reduce susceptibility to root lodging. However, the underlying structural-functional properties of brace roots that prevent root lodging are poorly defined. In this study, we quantified structural mechanical properties, geometry and bending moduli for brace roots from different whorls, genotypes and reproductive stages.
methodsUsing 3-point bend tests, we show that brace root mechanics are variable by whorl, genotype and reproductive stage. KEY
resultsGenerally, we find that within each genotype and reproductive stage, the brace roots from the first whorl (closest to the ground) had higher structural mechanical properties and a lower bending modulus than brace roots from the second whorl. There was additional variation between genotypes and reproductive stages. Specifically, genotypes with higher structural mechanical properties also had a higher bending modulus, and senesced brace roots had lower structural mechanical properties than hydrated brace roots.
conclusionsCollectively these results highlight the importance of considering whorl-of-origin, genotype and reproductive stage for the quantification of brace root mechanics, which is important for mitigating crop loss due to root mechanical failure.
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