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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14987
|2 doi
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|a pubmed24n0936.xml
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|a (DE-627)NLM280832044
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|a (NLM)29424009
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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 |
1 |
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|a Weber, Raphael
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Living on next to nothing
|b tree seedlings can survive weeks with very low carbohydrate concentrations
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|c 2018
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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 27.09.2019
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| 500 |
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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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| 520 |
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|a © 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.
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|a The usage of nonstructural carbohydrates (NSCs) to indicate carbon (C) limitation in trees requires knowledge of the minimum tissue NSC concentrations at lethal C starvation, and the NSC dynamics during and after severe C limitation. We completely darkened and subsequently released seedlings of two deciduous and two evergreen temperate tree species for varying periods. NSCs were measured in all major organs, allowing assessment of whole-seedling NSC balances. NSCs decreased fast in darkness, but seedlings survived species-specific whole-seedling starch concentrations as low as 0.4-0.8% per dry matter (DM), and sugar (sucrose, glucose and fructose) concentrations as low as 0.5-2.0% DM. After re-illumination, the refilling of NSC pools began within 3 wk, while the resumption of growth was delayed or restricted. All seedlings had died after 12 wk of darkness, and starch and sugar concentrations in most tissues were lower than 1% DM. We conclude that under the applied conditions, tree seedlings can survive several weeks with very low NSC reserves probably also using alternative C sources like lipids, proteins or hemicelluloses; lethal C starvation cannot be assumed, if NSC concentrations are higher than the minimum concentrations found in surviving seedlings; and NSC reformation after re-illumination occurs preferentially over growth
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Acer pseudoplatanus
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| 650 |
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4 |
|a Picea abies
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| 650 |
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4 |
|a Pinus sylvestris
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| 650 |
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4 |
|a Quercus petraea
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| 650 |
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|a carbon starvation
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| 650 |
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|a nonstructural carbohydrates (NSCs)
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| 650 |
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|a starch
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| 650 |
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|a sugar
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| 650 |
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|a Carbohydrates
|2 NLM
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| 650 |
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7 |
|a Starch
|2 NLM
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| 650 |
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7 |
|a 9005-25-8
|2 NLM
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| 700 |
1 |
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|a Schwendener, Andrea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schmid, Sandra
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lambert, Savoyane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wiley, Erin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Landhäusser, Simon M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hartmann, Henrik
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hoch, Günter
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 218(2018), 1 vom: 10. Apr., Seite 107-118
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:218
|g year:2018
|g number:1
|g day:10
|g month:04
|g pages:107-118
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/nph.14987
|3 Volltext
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|d 218
|j 2018
|e 1
|b 10
|c 04
|h 107-118
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