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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erab449
|2 doi
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|a pubmed24n1366.xml
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|a (DE-627)NLM331670577
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|a (NLM)34626106
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Song, Yanjun
|e verfasserin
|4 aut
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| 245 |
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|a Pit and tracheid anatomy explain hydraulic safety but not hydraulic efficiency of 28 conifer species
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 10.03.2022
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|a Date Revised 05.04.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Conifers face increased drought mortality risks because of drought-induced embolism in their vascular system. Variation in embolism resistance may result from species differences in pit structure and function, as pits control the air seeding between water-transporting conduits. This study quantifies variation in embolism resistance and hydraulic conductivity for 28 conifer species grown in a 50-year-old common garden experiment and assesses the underlying mechanisms. Conifer species with a small pit aperture, high pit aperture resistance, and large valve effect were more resistant to embolism, as they all may reduce air seeding. Surprisingly, hydraulic conductivity was only negatively correlated with tracheid cell wall thickness. Embolism resistance and its underlying pit traits related to pit size and sealing were more strongly phylogenetically controlled than hydraulic conductivity and anatomical tracheid traits. Conifers differed in hydraulic safety and hydraulic efficiency, but there was no trade-off between safety and efficiency because they are driven by different xylem anatomical traits that are under different phylogenetic control
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cavitation resistance
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|a conifer species
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|a embolism
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|a hydraulic efficiency
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|a phylogeny
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|a pit sealing
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| 650 |
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|a pit size
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Poorter, Lourens
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Horsting, Angelina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Delzon, Sylvain
|e verfasserin
|4 aut
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| 700 |
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|a Sterck, Frank
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 73(2022), 3 vom: 27. Jan., Seite 1033-1048
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:73
|g year:2022
|g number:3
|g day:27
|g month:01
|g pages:1033-1048
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|u http://dx.doi.org/10.1093/jxb/erab449
|3 Volltext
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