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231224s2016 xx |||||o 00| ||eng c |
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7 |
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|a 10.1111/nph.13905
|2 doi
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|a pubmed25n0859.xml
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Pereira, Luciano
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Plant pneumatics
|b stem air flow is related to embolism - new perspectives on methods in plant hydraulics
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|c 2016
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 30.01.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a Wood contains a large amount of air, even in functional xylem. Air embolisms in the xylem affect water transport and can determine plant growth and survival. Embolisms are usually estimated with laborious hydraulic methods, which can be prone to several artefacts. Here, we describe a new method for estimating embolisms that is based on air flow measurements of entire branches. To calculate the amount of air flowing out of the branch, a vacuum was applied to the cut bases of branches under different water potentials. We first investigated the source of air by determining whether it came from inside or outside the branch. Second, we compared embolism curves according to air flow or hydraulic measurements in 15 vessel- and tracheid-bearing species to test the hypothesis that the air flow is related to embolism. Air flow came almost exclusively from air inside the branch during the 2.5-min measurements and was strongly related to embolism. We propose a new embolism measurement method that is simple, effective, rapid and inexpensive, and that allows several measurements on the same branch, thus opening up new possibilities for studying plant hydraulics
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a cavitation
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| 650 |
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|a drought
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| 650 |
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|a plant hydraulics
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| 650 |
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4 |
|a water transport
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| 650 |
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|a xylem
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| 650 |
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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 Bittencourt, Paulo R L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Oliveira, Rafael S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Junior, Mauro B M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barros, Fernanda V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ribeiro, Rafael V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mazzafera, Paulo
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 211(2016), 1 vom: 13. Juli, Seite 357-70
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
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|g volume:211
|g year:2016
|g number:1
|g day:13
|g month:07
|g pages:357-70
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|u http://dx.doi.org/10.1111/nph.13905
|3 Volltext
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