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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108145
|2 doi
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|a pubmed25n1212.xml
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|a (DE-627)NLM363989587
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|a (NLM)37907041
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|a (PII)S0981-9428(23)00656-3
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|a DE-627
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|c DE-627
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|a eng
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|a de Oliveira, Uéliton S
|e verfasserin
|4 aut
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|a Carbon gain is coordinated with enhanced stomatal conductance and hydraulic architecture in coffee plants acclimated to elevated [CO2]
|b The interplay with irradiance supply
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 14.11.2023
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|a Date Revised 29.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a We recently demonstrated that, under elevated [CO2] (eCa), coffee (Coffea arabica L.) plants grown at high light (HL), but not at low light (LL), display higher stomatal conductance (gs) than at ambient [CO2] (aCa). We then hypothesized that the enhanced gs at eCa/HL, if sustained at the long-term, would lead to adjustments in hydraulic architecture. To test this hypothesis, potted plants of coffee were grown in open-top chambers for 12 months under HL or LL (ca. 9 or 1 mol photons m-2 day-1, respectively); these light treatments were combined with two [CO2] levels (ca. 437 or 705 μmol mol-1, respectively). Under eCa/HL, increased gs was closely accompanied by increases in branch and leaf hydraulic conductances, suggesting a coordinated response between liquid- and vapor-phase water flows throughout the plant. Still under HL, eCa also resulted in increased Huber value (sapwood area-to-total leaf area), sapwood area-to-stem diameter, and root mass-to-total leaf area, thus further improving the water supply to the leaves. Our results demonstrate that Ca is a central player in coffee physiology increasing carbon gain through a close association between stomatal function and an improved hydraulic architecture under HL conditions
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|a Journal Article
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|a Climate change
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|a Coffea arabica
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|a Elevated [CO(2)]
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|a Gas exchange
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|a Plant hydraulics
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|a Shading
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|a Stomatal conductance
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|a Carbon Dioxide
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|a 142M471B3J
|2 NLM
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|a Coffee
|2 NLM
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|a Water
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|a 059QF0KO0R
|2 NLM
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|a de Souza, Antonio H
|e verfasserin
|4 aut
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|a de Andrade, Moab T
|e verfasserin
|4 aut
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|a Oliveira, Leonardo A
|e verfasserin
|4 aut
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|a Gouvea, Débora G
|e verfasserin
|4 aut
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|a Martins, Samuel C V
|e verfasserin
|4 aut
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|a Ramalho, José D C
|e verfasserin
|4 aut
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|a Cardoso, Amanda A
|e verfasserin
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|a DaMatta, Fábio M
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 204(2023) vom: 15. Nov., Seite 108145
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
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|g volume:204
|g year:2023
|g day:15
|g month:11
|g pages:108145
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108145
|3 Volltext
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