ArticlePlant physiology2020
Leaf Carbon Export and Nonstructural Carbohydrates in Relation to Diurnal Water Dynamics in Mature Oak Trees.
Article in Plant physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 55 citations in OpenAlex.
- Trees follow rhythms: diel dynamics of nonstructural carbohydrates are influenced by environment, taxonomy, and functional traits.Plant physiology · 2026Article
- Methods to Estimate Carbon Export from Leaves.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Measurement of Inner Bark and Leaf Osmolality.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Leaf seasonal osmotic adjustment is not driven by temperature or water deficit.The Plant journal : for cell and molecular biology · 2025Article
- Temporal dynamics of stomatal regulation and carbon- and water-related traits for a native tree species in low subtropical China.Tree physiology · 2024Article
- Relieving the transfusion tissue traffic jam: a network model of radial transport in conifer needles.The New phytologist · 2024Article
- PSInet: a new global water potential network.Tree physiology · 2024Article
- Variation in leaf dark respiration among C3 and C4 grasses is associated with use of different substrates.Plant physiology · 2024Article
- Diurnal Regulation of Leaf Photosynthesis Is Related to Leaf-Age-Dependent Changes in Assimilate Accumulation inPlants (Basel, Switzerland) · 2023Article
- Regulating carbon and water balance as a strategy to cope with warming and drought climate inFrontiers in plant science · 2022Article
- Long-term snow alters the sensitivity of nonstructural carbohydrates ofFrontiers in plant science · 2022Article
- Morphological and Comparative Transcriptome Analysis of Three Species of Five-Needle Pines: Insights Into Phenotypic Evolution and Phylogeny.Frontiers in plant science · 2022Article
- Osmotic Adjustment in Wheat (Frontiers in plant science · 2022Article
- Extrapolating Physiological Response to Drought through Step-by-Step Analysis of Water Potential.Plant physiology · 2020Article
- Gaining Sugars While Sweating: How Do Leaves Regulate Their Osmolarity?Plant physiology · 2020Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Trees typically experience large diurnal depressions in water potential, which may impede carbon export from leaves during the day because the xylem is the source of water for the phloem. As water potential becomes more negative, higher phloem osmotic concentrations are needed to draw water in from the xylem. Generating this high concentration of sugar in the phloem is particularly an issue for the ∼50% of trees that exhibit passive loading. These ideas motivate the hypothesis that carbon export in woody plants occurs predominantly at night, with sugars that accumulate during the day assisting in mesophyll turgor maintenance or being converted to starch. To test this, diurnal and seasonal patterns of leaf nonstructural carbohydrates, photosynthesis, solute, and water potential were measured, and carbon export was estimated in leaves of five mature (>20 m tall) red oak (
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