ArticleFrontiers in plant science2016
A Modeling Approach to Quantify the Effects of Stomatal Behavior and Mesophyll Conductance on Leaf Water Use Efficiency.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Mesophyll conductance governs photosynthetic performance and water-use efficiency in the matorral of Central Chile.Oecologia · 2026Article
- Anisohydric sugar beet rapidly responds to light to optimize leaf water use efficiency utilizing numerous small stomata.AoB PLANTS · 2021Article
- Environmental triggers for photosynthetic protein turnover determine the optimal nitrogen distribution and partitioning in the canopy.Journal of experimental botany · 2019Article
- Temporal Dynamics of Stomatal Behavior: Modeling and Implications for Photosynthesis and Water Use.Plant physiology · 2017Review
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Water use efficiency (WUE) is considered as a determinant of yield under stress and a component of crop drought resistance. Stomatal behavior regulates both transpiration rate and net assimilation and has been suggested to be crucial for improving crop WUE. In this work, a dynamic model was used to examine the impact of dynamic properties of stomata on WUE. The model includes sub-models of stomatal conductance dynamics, solute accumulation in the mesophyll, mesophyll water content, and water flow to the mesophyll. Using the instantaneous value of stomatal conductance, photosynthesis, and transpiration rate were simulated using a biochemical model and Penman-Monteith equation, respectively. The model was parameterized for a cucumber leaf and model outputs were evaluated using climatic data. Our simulations revealed that WUE was higher on a cloudy than a sunny day. Fast stomatal reaction to light decreased WUE during the period of increasing light (e.g., in the morning) by up to 10.2% and increased WUE during the period of decreasing light (afternoon) by up to 6.25%. Sensitivity of daily WUE to stomatal parameters and mesophyll conductance to CO2 was tested for sunny and cloudy days. Increasing mesophyll conductance to CO2 was more likely to increase WUE for all climatic conditions (up to 5.5% on the sunny day) than modifications of stomatal reaction speed to light and maximum stomatal conductance.
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