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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/eraa157
|2 doi
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|a pubmed24n1026.xml
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|a (DE-627)NLM308051076
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|a (NLM)32219309
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Soriano, Diana
|e verfasserin
|4 aut
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|a Hydraulic traits vary as the result of tip-to-base conduit widening in vascular plants
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|c 2020
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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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|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print
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|a CommentIn: J Exp Bot. 2020 Jul 6;71(14):3927-3929. - PMID 32628768
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|a Citation Status MEDLINE
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|a © The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Plant hydraulic traits are essential metrics for characterizing variation in plant function, but they vary markedly with plant size and position in a plant. We explore the potential effect of conduit widening on variation in hydraulic traits along the stem. We examined three species that differ in conduit diameter at the stem base for a given height (Moringa oleifera, Casimiroa edulis, and Pinus ayacahuite). We made anatomical and hydraulic measurements at different distances from the stem tip, constructed vulnerability curves, and examined the safety-efficiency trade-off with height-standardized data. Our results showed that segment-specific hydraulic resistance varied predictably along the stem, paralleling changes in mean conduit diameter and total number of conduits. The Huber value and leaf specific conductivity also varied depending on the sampling point. Vulnerability curves were markedly less noisy with height standardization, making the vulnerability-efficiency trade-off clearer. Because conduits widen predictably along the stem, taking height and distance from the tip into account provides a way of enhancing comparability and interpretation of hydraulic traits. Our results suggest the need for rethinking hydraulic sampling for comparing plant functional differences and strategies across individuals
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Conduit widening (‘taper’)
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|a Huber value
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|a leaf specific conductivity
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|a plant hydraulic traits
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|a safety–efficiency trade-off
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|a vulnerability to embolism
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|a xylem hydraulic resistance
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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| 700 |
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|a Echeverría, Alberto
|e verfasserin
|4 aut
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|a Anfodillo, Tommaso
|e verfasserin
|4 aut
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|a Rosell, Julieta A
|e verfasserin
|4 aut
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|a Olson, Mark E
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 71(2020), 14 vom: 06. Juli, Seite 4232-4242
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:71
|g year:2020
|g number:14
|g day:06
|g month:07
|g pages:4232-4242
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|u http://dx.doi.org/10.1093/jxb/eraa157
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