ArticleAnnals of botany2013
Understanding the effect of carbon status on stem diameter variations.
Article in Annals of botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 43 citations in OpenAlex.
- Diurnal Regulation of Leaf Photosynthesis Is Related to Leaf-Age-Dependent Changes in Assimilate Accumulation inPlants (Basel, Switzerland) · 2023Article
- Non-structural carbohydrate dynamics and growth in tomato plants grown at fluctuating light and temperature.Frontiers in plant science · 2022Article
- MuSCA: a multi-scale source-sink carbon allocation model to explore carbon allocation in plants. An application to static apple tree structures.Annals of botany · 2020Article
- Hygroscopic properties of thin dead outer bark layers strongly influence stem diameter variations on short and long time scales in Scots pine (Agricultural and forest meteorology · 2020Article
- Effects of Light Quality and Intensity on Diurnal Patterns and Rates of Photo-Assimilate Translocation and Transpiration in Tomato Leaves.Frontiers in plant science · 2018Article
- An empirical method that separates irreversible stem radial growth from bark water content changes in trees: theory and case studies.Plant, cell & environment · 2017Article
- Metabolomic profiling in tomato reveals diel compositional changes in fruit affected by source-sink relationships.Journal of experimental botany · 2015Article
- Article
- Flexible resource allocation during plant defense responses.Frontiers in plant science · 2013Article
- In-silico analysis of water and carbon relations under stress conditions. A multi-scale perspective centered on fruit.Frontiers in plant science · 2013Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCarbon assimilation and leaf-to-fruit sugar transport are, along with plant water status, the driving mechanisms for fruit growth. An integrated comprehension of the plant water and carbon relationships is therefore essential to better understand water and dry matter accumulation. Variations in stem diameter result from an integrated response to plant water and carbon status and are as such a valuable source of information.
methodsA mechanistic water flow and storage model was used to relate variations in stem diameter to phloem sugar loading and sugar concentration dynamics in tomato. The simulation results were compared with an independent model, simulating phloem sucrose loading at the leaf level based on photosynthesis and sugar metabolism kinetics and enabled a mechanistic interpretation of the 'one common assimilate pool' concept for tomato. KEY
resultsCombining stem diameter variation measurements and mechanistic modelling allowed us to distinguish instantaneous dynamics in the plant water relations and gradual variations in plant carbon status. Additionally, the model combined with stem diameter measurements enabled prediction of dynamic variables which are difficult to measure in a continuous and non-destructive way, such as xylem water potential and phloem hydrostatic potential. Finally, dynamics in phloem sugar loading and sugar concentration were distilled from stem diameter variations.
conclusionsStem diameter variations, when used in mechanistic models, have great potential to continuously monitor and interpret plant water and carbon relations under natural growing conditions.
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