ArticlePlant physiology2021
Xylem network connectivity and embolism spread in grapevine(Vitis vinifera L.).
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Extreme Polyploidy Reveals Functional Trade-Offs in Plant Drought Responses.Plant, cell & environment · 2026Article
- Quantification of plant structure-function relationships through micro-CT imaging-based finite element modeling.The Plant journal : for cell and molecular biology · 2026Review
- Evolutionary trade-offs under stochastic water stress shape xylem vulnerability to drought.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Stems and leaves of angiosperms follow a convex trade-off to optimise hydraulic safety and efficiency.The New phytologist · 2026Article
- Xylem Sap Bleeding as a Physiological Indicator in Grapevine: Genotype and Climate Influence.Plants (Basel, Switzerland) · 2025Article
- Role of xylem in root hydraulics: Functionality and implications for drought adaptation.Quantitative plant biology · 2025Review
- Embolism propagation inJournal of the Royal Society, Interface · 2024Article
- Xylem-dwelling pathogen unaffected by local xylem vessel network properties in grapevines (Vitis spp.).Annals of botany · 2024Article
- Detecting and Quantifying Xylem Embolism by Synchrotron-Based X-Ray Micro-CT.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Article
- Responses to Drought Stress in Poplar: What Do We Know and What Can We Learn?Life (Basel, Switzerland) · 2023Review
- Vein network redundancy and mechanical resistance mitigate gas exchange losses under simulated herbivory in desert plants.AoB PLANTS · 2023Article
- Effect of preharvest conditions on cut-flower quality.Frontiers in plant science · 2023Review
- Conduit position and connectivity affect the likelihood of xylem embolism during natural drought in evergreen woodland species.Annals of botany · 2022Article
- Unlocking Drought-Induced Tree Mortality: Physiological Mechanisms to Modeling.Frontiers in plant science · 2022Review
- Variations in Pedicel Structural Properties Among Four Pear Species (Frontiers in plant science · 2022Article
- Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Xylem networks are vulnerable to the formation and spread of gas embolisms that reduce water transport. Embolisms spread through interconduit pits, but the three-dimensional (3D) complexity and scale of xylem networks means that the functional implications of intervessel connections are not well understood. Here, xylem networks of grapevine (Vitis vinifera L.) were reconstructed from 3D high-resolution X-ray micro-computed tomography (microCT) images. Xylem network performance was then modeled to simulate loss of hydraulic conductivity under increasingly negative xylem sap pressure simulating drought stress conditions. We also considered the sensitivity of xylem network performance to changes in key network parameters. We found that the mean pit area per intervessel connection was constant across 10 networks from three, 1.5-m stem segments, but short (0.5 cm) segments fail to capture complete network connectivity. Simulations showed that network organization imparted additional resistance to embolism spread beyond the air-seeding threshold of pit membranes. Xylem network vulnerability to embolism spread was most sensitive to variation in the number and location of vessels that were initially embolized and pit membrane vulnerability. Our results show that xylem network organization can increase stem resistance to embolism spread by 40% (0.66 MPa) and challenge the notion that a single embolism can spread rapidly throughout an entire xylem network.
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