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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2013.10.016
|2 doi
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|a pubmed24n0775.xml
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|a (NLM)24211513
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|a (PII)S0981-9428(13)00362-8
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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 Chen, Pei-Yi
|e verfasserin
|4 aut
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|a Effects of calcium on rhizotoxicity and the accumulation and translocation of copper by grapevines
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|c 2013
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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 29.07.2014
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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 Copyright © 2013 Elsevier Masson SAS. All rights reserved.
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|a We assessed the effects of background concentrations of calcium (Ca) in solution on rhizotoxicity of copper (Cu) in and the accumulation and translocation of Cu by the grapevine, Vitis vinifera L. var. Kyoho. Grapevine cuttings in a hydroponic system were exposed to Cu-spiked solutions (0, 1, 2.5, 5, 10, and 25 μM) with two Ca backgrounds (0.5 and 5 mM) for 15 days. We found that when Cu exposure exceeded 5 μM, no new white roots were generated from the cuttings. When exposed to a Cu concentration of 25 μM, the lateral roots were sparse, appeared dark and exhibited malformed terminal swellings. The morphological phenomena of root response to an increase in Cu levels were relatively pronounced at a background concentration of 5 mM Ca; epidermal cell walls thickened, cortical cells remained intact and root terminal swelling was enhanced with Cu exposure. A 5 mM Ca background concentration enhanced the reduction in relative root elongation, but alleviated the reduction in relative root dry weight with increased Cu exposure. Moreover, there was a prominent increase in root Cu concentrations with increased Cu exposure, but the increases in leaf Cu concentrations were much less. The Cu profile of Cu exposure in a 5 mM Ca background concentration appeared higher in root, but lower in leaf than the Cu profile in a 0.5 mM Ca background; therefore, increase of Ca background concentrations would enhance Cu to be accumulated by root, but not translocated into the leaf
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Calcium
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|a Cation competition
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|a Copper
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|a Hydroponics
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|a Metal stress
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|a Copper
|2 NLM
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| 650 |
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|a 789U1901C5
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Lee, Yung-I
|e verfasserin
|4 aut
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|a Chen, Bo-Ching
|e verfasserin
|4 aut
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| 700 |
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|a Juang, Kai-Wei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 73(2013) vom: 14. Dez., Seite 375-82
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:73
|g year:2013
|g day:14
|g month:12
|g pages:375-82
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|u http://dx.doi.org/10.1016/j.plaphy.2013.10.016
|3 Volltext
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