Red wine phenolic composition: the effects of summer pruning and cluster thinning

P.M. Cañon, A.S. González, J.A. Alcalde, and E. Bordeu. 2014. Red wine phenolic composition: the effects of summer pruning and cluster thinning. Cien. Inv. Agr. 41(2): 235-248. The quality of red wine is directly associated with its phenolic composition, which can be controlled using several viticul...

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Autores principales:	Cañón,Pablo M, González,Álvaro S, Alcalde,José A, Bordeu,Edmundo
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2014
Materias:	Cluster thinning polyphenols summer pruning vegetative/productive balance Vitis vinifera L.
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000200010
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spelling	oai:scielo:S0718-162020140002000102014-09-24Red wine phenolic composition: the effects of summer pruning and cluster thinningCañón,Pablo MGonzález,Álvaro SAlcalde,José ABordeu,Edmundo Cluster thinning polyphenols summer pruning vegetative/productive balance Vitis vinifera L. P.M. Cañon, A.S. González, J.A. Alcalde, and E. Bordeu. 2014. Red wine phenolic composition: the effects of summer pruning and cluster thinning. Cien. Inv. Agr. 41(2): 235-248. The quality of red wine is directly associated with its phenolic composition, which can be controlled using several viticultural techniques that affect the vegetative/productive balance of the plants, such as summer pruning and cluster thinning. However, these techniques may also involve high costs and production losses. This study aimed to evaluate the effects of summer pruning and cluster thinning on the phenolic compositions of grapes and wine over three consecutive seasons. The treatments included long (120 cm shoot length) and short (60 cm shoot length) summer pruning and 50% cluster thinning with control treatments conducted in vineyards with cvs. Cabernet-Sauvignon and Carmenere and located in a warm area (Cachapoal, Chile) and cvs. Cabernet-Sauvignon and Pinot Noir located in a cold area (Casablanca, Chile). These treatments generated differences in the microclimatic conditions (radiation and temperature) and the vegetative/productive balance of the plants. Depending on whether the grapevine vigor was high or low, short summer pruning increased or decreased the phenolic composition. The effects of cluster thinning varied according to the natural productivity of each season, increasing the phenolic composition when the natural yields were high and producing no significant effects when they were low. The decision to make these viticultural practices to improve the phenolic composition of the wine depends on the seasonal vineyard vigor and potential productivity. Thus, measures are only applied when a severe imbalance in the vegetative/productive equilibrium occurs or when the microclimatic conditions of the vineyard must be improved.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.41 n.2 20142014-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000200010en10.4067/S0718-16202014000200010
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Cluster thinning polyphenols summer pruning vegetative/productive balance Vitis vinifera L.
spellingShingle	Cluster thinning polyphenols summer pruning vegetative/productive balance Vitis vinifera L. Cañón,Pablo M González,Álvaro S Alcalde,José A Bordeu,Edmundo Red wine phenolic composition: the effects of summer pruning and cluster thinning
description	P.M. Cañon, A.S. González, J.A. Alcalde, and E. Bordeu. 2014. Red wine phenolic composition: the effects of summer pruning and cluster thinning. Cien. Inv. Agr. 41(2): 235-248. The quality of red wine is directly associated with its phenolic composition, which can be controlled using several viticultural techniques that affect the vegetative/productive balance of the plants, such as summer pruning and cluster thinning. However, these techniques may also involve high costs and production losses. This study aimed to evaluate the effects of summer pruning and cluster thinning on the phenolic compositions of grapes and wine over three consecutive seasons. The treatments included long (120 cm shoot length) and short (60 cm shoot length) summer pruning and 50% cluster thinning with control treatments conducted in vineyards with cvs. Cabernet-Sauvignon and Carmenere and located in a warm area (Cachapoal, Chile) and cvs. Cabernet-Sauvignon and Pinot Noir located in a cold area (Casablanca, Chile). These treatments generated differences in the microclimatic conditions (radiation and temperature) and the vegetative/productive balance of the plants. Depending on whether the grapevine vigor was high or low, short summer pruning increased or decreased the phenolic composition. The effects of cluster thinning varied according to the natural productivity of each season, increasing the phenolic composition when the natural yields were high and producing no significant effects when they were low. The decision to make these viticultural practices to improve the phenolic composition of the wine depends on the seasonal vineyard vigor and potential productivity. Thus, measures are only applied when a severe imbalance in the vegetative/productive equilibrium occurs or when the microclimatic conditions of the vineyard must be improved.
author	Cañón,Pablo M González,Álvaro S Alcalde,José A Bordeu,Edmundo
author_facet	Cañón,Pablo M González,Álvaro S Alcalde,José A Bordeu,Edmundo
author_sort	Cañón,Pablo M
title	Red wine phenolic composition: the effects of summer pruning and cluster thinning
title_short	Red wine phenolic composition: the effects of summer pruning and cluster thinning
title_full	Red wine phenolic composition: the effects of summer pruning and cluster thinning
title_fullStr	Red wine phenolic composition: the effects of summer pruning and cluster thinning
title_full_unstemmed	Red wine phenolic composition: the effects of summer pruning and cluster thinning
title_sort	red wine phenolic composition: the effects of summer pruning and cluster thinning
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000200010
work_keys_str_mv	AT canonpablom redwinephenoliccompositiontheeffectsofsummerpruningandclusterthinning AT gonzalezalvaros redwinephenoliccompositiontheeffectsofsummerpruningandclusterthinning AT alcaldejosea redwinephenoliccompositiontheeffectsofsummerpruningandclusterthinning AT bordeuedmundo redwinephenoliccompositiontheeffectsofsummerpruningandclusterthinning
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Red wine phenolic composition: the effects of summer pruning and cluster thinning

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