ArticleAnnals of botany2023
Above and belowground traits impacting transpiration decline during soil drying in 48 maize (Zea mays) genotypes.
Article in Annals of botany, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 23 citations in OpenAlex.
- Green revolution breeding favored water conservation, but weakened water use sensitivity to rising vapor pressure deficit in US spring wheat.Plant physiology · 2026Article
- Breeding effects on the root-associated microbiome ofISME communications · 2026Article
- Node of origin matters: comparative analysis of soil water limitation effects on nodal root anatomy in maize (Zea mays).Annals of botany · 2025Article
- Mucilage facilitates root water uptake under edaphic stress: first evidence at the plant scale.Annals of botany · 2025Article
- Role of xylem in root hydraulics: Functionality and implications for drought adaptation.Quantitative plant biology · 2025Review
- Primary, seminal and lateral roots of maize show type-specific growth and hydraulic responses to water deficit.Plant physiology · 2024Article
- Enhancing maize resilience to drought stress: the synergistic impact of deashed biochar and carboxymethyl cellulose amendment.BMC plant biology · 2024Article
- Consistent prokaryotic community patterns along the radial root axis of twoFrontiers in microbiology · 2024Article
- Transpiration response to soil drying versus increasing vapor pressure deficit in crops: physical and physiological mechanisms and key plant traits.Journal of experimental botany · 2023Article
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Authors and funding
17 authors at 6 institutions in 5 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsStomatal regulation allows plants to promptly respond to water stress. However, our understanding of the impact of above and belowground hydraulic traits on stomatal regulation remains incomplete. The objective of this study was to investigate how key plant hydraulic traits impact transpiration of maize during soil drying. We hypothesize that the stomatal response to soil drying is related to a loss in soil hydraulic conductivity at the root-soil interface, which in turn depends on plant hydraulic traits.
methodsWe investigate the response of 48 contrasting maize (Zea mays) genotypes to soil drying, utilizing a novel phenotyping facility. In this context, we measure the relationship between leaf water potential, soil water potential, soil water content and transpiration, as well as root, rhizosphere and aboveground plant traits. KEY
resultsGenotypes differed in their responsiveness to soil drying. The critical soil water potential at which plants started decreasing transpiration was related to a combination of above and belowground traits: genotypes with a higher maximum transpiration and plant hydraulic conductance as well as a smaller root and rhizosphere system closed stomata at less negative soil water potentials.
conclusionsOur results demonstrate the importance of belowground hydraulics for stomatal regulation and hence drought responsiveness during soil drying. Furthermore, this finding supports the hypothesis that stomata start to close when soil hydraulic conductivity drops at the root-soil interface.
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