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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2016.09.007
|2 doi
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|a pubmed24n0881.xml
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|a (DE-627)NLM264462599
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|a (NLM)27642694
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|a (PII)S0981-9428(16)30362-X
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Alonso, Rodrigo
|e verfasserin
|4 aut
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|a Malbec grape (Vitis vinifera L.) responses to the environment
|b Berry phenolics as influenced by solar UV-B, water deficit and sprayed abscisic acid
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|c 2016
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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 10.04.2017
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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 © 2016 Elsevier Masson SAS. All rights reserved.
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|a High-altitude vineyards receive elevated solar ultraviolet-B (UV-B) levels so producing high quality berries for winemaking because of induction in the synthesis of phenolic compounds. Water deficit (D) after veraison, is a commonly used tool to regulate berry polyphenols concentration in red wine cultivars. Abscisic acid (ABA) plays a crucial role in the acclimation to environmental factors/signals (including UV-B and D). The aim of the present study was to evaluate independent and interactive effects of high-altitude solar UV-B, moderate water deficit and ABA applications on Vitis vinifera cv. Malbec berries. The experiment was conducted during two growing seasons with two treatments of UV-B (+UV-B and -UV-B), watering (+D and -D) and ABA (+ABA and -ABA), in a factorial design. Berry fresh weight, sugar content, fruit yield, phenolic compounds profile and antioxidant capacity (ORAC) were analyzed at harvest. Previous incidence of high UV-B prevented deleterious effects of water deficit, i.e. berry weight reduction and diminution of sugar accumulation. High UV-B increased total phenols (mainly astilbin, quercetin and kaempferol) and ORAC, irrespectively of the combination with other factors. Fruit yield was reduced by combining water deficit and high UV-B or water deficit and ABA. Two applications of ABA were enough to induced biochemical changes increasing total anthocyanins, especially those with higher antioxidant capacity
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|a Journal Article
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|a ABA
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|a Anthocyanins
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|a Drought
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|a Environmental signals
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|a Malbec
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|a Vitis vinifera L
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|a Anthocyanins
|2 NLM
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|a Antioxidants
|2 NLM
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|a Carbohydrates
|2 NLM
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|a Flavonols
|2 NLM
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|a Kaempferols
|2 NLM
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|a Phenols
|2 NLM
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|a Plant Growth Regulators
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a astilbin
|2 NLM
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|a 29838-67-3
|2 NLM
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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|a kaempferol
|2 NLM
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|a 731P2LE49E
|2 NLM
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| 650 |
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|a Quercetin
|2 NLM
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| 650 |
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|a 9IKM0I5T1E
|2 NLM
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| 700 |
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|a Berli, Federico J
|e verfasserin
|4 aut
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|a Fontana, Ariel
|e verfasserin
|4 aut
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|a Piccoli, Patricia
|e verfasserin
|4 aut
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| 700 |
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|a Bottini, Rubén
|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 109(2016) vom: 01. Dez., Seite 84-90
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:109
|g year:2016
|g day:01
|g month:12
|g pages:84-90
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|u http://dx.doi.org/10.1016/j.plaphy.2016.09.007
|3 Volltext
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|d 109
|j 2016
|b 01
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|h 84-90
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