ArticleFrontiers in plant science2024
Key role played by mesophyll conductance in limiting carbon assimilation and transpiration of potato under soil water stress.
Article in Frontiers in plant science, 2024. 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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4 citing papers in PubMed.
- Phenotypic Variation in Water-Use Efficiency, Heat Tolerance, and Carbon Isotope Discrimination Across Canadian Spring Wheat Cultivars Under Climate Stress.Plants (Basel, Switzerland) · 2026Article
- Coupling between stomatal conductance and photosynthesis of subtropical tree seedlings under warming and progressive drought.Frontiers in plant science · 2026Article
- Genotype-specific transcriptomic response to drought stress in potato cultivars modulated by microbial biostimulants.BMC plant biology · 2025Article
- Jack pine's responses to climate change: increased water-use efficiency but evident growth limitations in dry environments.Tree physiology · 2025Article
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Authors and funding
3 authors.
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Abstract
Introduction: The identification of the physiological processes limiting carbon assimilation under water stress is crucial for improving model predictions and selecting drought-tolerant varieties. However, the influence of soil water availability on photosynthesis-limiting processes is still not fully understood. This study aimed to investigate the origins of photosynthesis limitations on potato ( Methods: Gas exchange and chlorophyll fluorescence measurements were performed at the leaf level to determine the response of photosynthesis-limiting factors to the decrease in the relative extractable water (REW) in the soil. Results: Drought induced a two-stage response with first a restriction of CO Discussion: We provide a calibration of the response of stomatal and non-stomatal factors to REW to improve the representation of drought effects in models. These results emphasize the need to revisit the partitioning methods to unravel the physiological controls on photosynthesis and stomatal conductance under water stress.
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