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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.12.034
|2 doi
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|a pubmed24n1117.xml
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|a (PII)S0981-9428(21)00648-3
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|a DE-627
|b ger
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|a eng
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|a Morsch, Letícia
|e verfasserin
|4 aut
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|a Root system structure as a criterion for the selection of grapevine genotypes that are tolerant to excess copper and the ability of phosphorus to mitigate toxicity
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 21.01.2022
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|a Date Revised 07.09.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a Using tolerant genotypes and the correct use of fertilizers can mitigate the negative effect of elevated Cu levels in the growing medium. In this context, the study aimed to evaluate the effects of excess Cu in the root system and the effectiveness of phosphorus (P) in minimizing the phytotoxicity of Cu in three genotypes: IAC 572 [(Vitis riparia x V. rupestris) x V. caribaea], Magnolia (V. rotundifolia) and Paulsen 1103 (V. berlandieri x V. rupestris). The plants were grown in nutrient solutions and were supplemented with the following treatments: 0.3 μM Cu (Control), 60 μM Cu (Cu) and 60 μM Cu and 62 mg L-1 P (Cu + P). Root samples were sectioned for microscopy analyses, and the shoot lengths, shoot and root dry matter, relative growth rates (RGR) and tissue nutrient contents were also evaluated. The roots of the genotypes that were cultivated with high Cu concentrations produced greater numbers of branches and larger diameters, except for Magnolia genotype that was cultivated in a Cu + P solution, which had an organization similar to the control. Excess Cu caused accumulations of phenolic compounds and decreased shoot lengths, dry matter and RGR in the genotypes. In the treatments with excess Cu, there were increases in this element in the tissues, but P decreased the metal concentrations in Magnolia roots. Therefore, Cu accumulations alter the root system development patterns, growth parameters and tissue nutrient contents in the studied genotypes. Magnolia has a higher tolerance and is also the only genotype for which the use of P has been shown to be effective
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|a Journal Article
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|a Grapevine
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|a Heavy metal
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|a Phosphorus
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|a Root morphology
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|a Toxicity
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Somavilla, Luiza Michelon
|e verfasserin
|4 aut
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|a Trentin, Edicarla
|e verfasserin
|4 aut
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| 700 |
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|a Silva, Kleber Resende
|e verfasserin
|4 aut
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| 700 |
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|a de Oliveira, João Marcelo Santos
|e verfasserin
|4 aut
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| 700 |
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|a Brunetto, Gustavo
|e verfasserin
|4 aut
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|a Simão, Daniela Guimarães
|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 171(2022) vom: 15. Jan., Seite 147-156
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:171
|g year:2022
|g day:15
|g month:01
|g pages:147-156
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|u http://dx.doi.org/10.1016/j.plaphy.2021.12.034
|3 Volltext
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