Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate

Detalhes bibliográficos
Autor(a) principal: Tomaz, Alexandra
Data de Publicação: 2015
Outros Autores: Coleto Martinez, José, Pacheco, Carlos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/20.500.12207/4516
Resumo: In Mediterranean-type climates, increased irrigation efficiency is a key goal for viticulture, as it is for fruit production in general. The objective of the present study was to determine the responses of yield, berry composition, and wine quality to various degrees of irrigation supply and different soil management practices in a vineyard. Data were collected during two years from ‘Aragonez’ grapevines (Vitis vinifera L. syn. ‘Tempranillo’). The experimental site was located in a private vineyard in the Baixo Alentejo, southern Portugal. The vineyard is grown on vertisols, with drip irrigation. In the 4 ha area under study, a cover crop in the interrow was sown in half the plots, with the permanent resident vegetation maintained in the other half. The irrigation treatments were: high water availability (200 mm annual irrigation supply); moderate water availability (150 mm annual irrigation supply); deficit irrigation (100 mm annual irrigation supply); ultra-deficit irrigation (50 mm annual irrigation supply); rainfed. The deficit and ultra-deficit irrigation treatments were conducted in accordance with the Regulate Deficit Irrigation (RDI) strategy. The vine's vegetative growth and yield responses influenced by irrigation in both years were: pruning weight, yield, and cluster weight. The quality responses were different in the two years of study: the grape composition parameters that showed significant differences were few and different each year; in wine composition, only in 2008 was the effect of irrigation on titratable acidity proven. Vegetative growth and yield were lower in the presence of the sown cover crop. The composition of grapes and wine was mostly affected by the surface cover in 2008, with the best performance for the phenolic compounds corresponding to plants growing on plots with permanent sown cover crop. The phenolic component in grapes benefited from the presence of the sown cover crop and the successful application of the RDI strategy.
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spelling Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climateVitis vinifera L.IrrigationCover cropsVertissolsRegaEnrelvamentoVertissolosIn Mediterranean-type climates, increased irrigation efficiency is a key goal for viticulture, as it is for fruit production in general. The objective of the present study was to determine the responses of yield, berry composition, and wine quality to various degrees of irrigation supply and different soil management practices in a vineyard. Data were collected during two years from ‘Aragonez’ grapevines (Vitis vinifera L. syn. ‘Tempranillo’). The experimental site was located in a private vineyard in the Baixo Alentejo, southern Portugal. The vineyard is grown on vertisols, with drip irrigation. In the 4 ha area under study, a cover crop in the interrow was sown in half the plots, with the permanent resident vegetation maintained in the other half. The irrigation treatments were: high water availability (200 mm annual irrigation supply); moderate water availability (150 mm annual irrigation supply); deficit irrigation (100 mm annual irrigation supply); ultra-deficit irrigation (50 mm annual irrigation supply); rainfed. The deficit and ultra-deficit irrigation treatments were conducted in accordance with the Regulate Deficit Irrigation (RDI) strategy. The vine's vegetative growth and yield responses influenced by irrigation in both years were: pruning weight, yield, and cluster weight. The quality responses were different in the two years of study: the grape composition parameters that showed significant differences were few and different each year; in wine composition, only in 2008 was the effect of irrigation on titratable acidity proven. Vegetative growth and yield were lower in the presence of the sown cover crop. The composition of grapes and wine was mostly affected by the surface cover in 2008, with the best performance for the phenolic compounds corresponding to plants growing on plots with permanent sown cover crop. The phenolic component in grapes benefited from the presence of the sown cover crop and the successful application of the RDI strategy.Em climas do tipo mediterrânico, o aumento da eficiência de rega é um objetivo fundamental para a viticultura e para a fruticultura em geral. Neste estudo, pretendeu-se determinar as respostas produtivas, quantitativas e qualitativas, a diferentes dotações de rega e a dois tipos de condições de cobertura do solo na entrelinha de uma vinha. Os dados foram recolhidos durante dois anos em videiras da casta Aragonez (Vitis vinifera L. syn. ‘Tempranillo’). O ensaio realizou-se numa vinha privada no Baixo Alentejo, Sul de Portugal. A vinha desenvolve-se em vertissolos e é regada por gota-a-gota. Em metade da área do ensaio, com um total de 4 ha, foi semeada uma mistura de leguminosas e gramíneas na entrelinha. Na restante área, o solo revestiu-se de vegetação espontânea. As dotações de rega ensaiadas foram: conforto hídrico elevado (dotação anual de 200 mm); conforto hídrico moderado (dotação anual de 150 mm); rega deficitária (dotação anual de 100 mm); rega ultradeficitária (dotação anual de 50 mm); sequeiro. Os tratamentos de rega deficitária e ultra-deficitária foram conduzidos de acordo com a estratégia de Rega Deficitária Controlada (RDI). As respostas vegetativas e os componentes quantitativos da produção influenciados pela rega em ambos os anos de ensaio foram: o peso da lenha de poda, a produção/ha, o peso por cacho. As respostas qualitativas foram diferentes nos dois anos de ensaio: os parâmetros de composição das uvas que mostraram diferenças significativas foram poucos e discordantes em cada ano; na composição do vinho, apenas em 2008 se comprovou efeito da rega na acidez total. Em 2008, o desenvolvimento vegetativo e o rendimento foram significativamente inferiores nas parcelas enrelvadas. A composição das uvas e a composição do vinho foi mais influenciadas pelo enrelvamento em 2008, destacando-se a melhor performance para os compostos fenólicos nas uvas das videiras implantadas nas parcelas com cover crop semeado. A componente fenólica nas uvas beneficiou da presença de enrelvamento semeado na entrelinha e do sucesso na aplicação da estratégia RDI.Instituto Nacional de Investigação Agrária e Veterinária2017-06-23T13:33:36Z2015-08-01T00:00:00Z2015-08-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/20.500.12207/4516eng2416-3953http://dx.doi.org/10.1051/ctv/20153001009Tomaz, AlexandraColeto Martinez, JoséPacheco, Carlosinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-06-23T07:46:55Zoai:repositorio.ipbeja.pt:20.500.12207/4516Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T14:58:41.903206Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
title Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
spellingShingle Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
Tomaz, Alexandra
Vitis vinifera L.
Irrigation
Cover crops
Vertissols
Rega
Enrelvamento
Vertissolos
title_short Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
title_full Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
title_fullStr Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
title_full_unstemmed Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
title_sort Yield and quality responses of ‘Aragonez’ grapevines under deficit irrigation and different soil management practices in a Mediterranean climate
author Tomaz, Alexandra
author_facet Tomaz, Alexandra
Coleto Martinez, José
Pacheco, Carlos
author_role author
author2 Coleto Martinez, José
Pacheco, Carlos
author2_role author
author
dc.contributor.author.fl_str_mv Tomaz, Alexandra
Coleto Martinez, José
Pacheco, Carlos
dc.subject.por.fl_str_mv Vitis vinifera L.
Irrigation
Cover crops
Vertissols
Rega
Enrelvamento
Vertissolos
topic Vitis vinifera L.
Irrigation
Cover crops
Vertissols
Rega
Enrelvamento
Vertissolos
description In Mediterranean-type climates, increased irrigation efficiency is a key goal for viticulture, as it is for fruit production in general. The objective of the present study was to determine the responses of yield, berry composition, and wine quality to various degrees of irrigation supply and different soil management practices in a vineyard. Data were collected during two years from ‘Aragonez’ grapevines (Vitis vinifera L. syn. ‘Tempranillo’). The experimental site was located in a private vineyard in the Baixo Alentejo, southern Portugal. The vineyard is grown on vertisols, with drip irrigation. In the 4 ha area under study, a cover crop in the interrow was sown in half the plots, with the permanent resident vegetation maintained in the other half. The irrigation treatments were: high water availability (200 mm annual irrigation supply); moderate water availability (150 mm annual irrigation supply); deficit irrigation (100 mm annual irrigation supply); ultra-deficit irrigation (50 mm annual irrigation supply); rainfed. The deficit and ultra-deficit irrigation treatments were conducted in accordance with the Regulate Deficit Irrigation (RDI) strategy. The vine's vegetative growth and yield responses influenced by irrigation in both years were: pruning weight, yield, and cluster weight. The quality responses were different in the two years of study: the grape composition parameters that showed significant differences were few and different each year; in wine composition, only in 2008 was the effect of irrigation on titratable acidity proven. Vegetative growth and yield were lower in the presence of the sown cover crop. The composition of grapes and wine was mostly affected by the surface cover in 2008, with the best performance for the phenolic compounds corresponding to plants growing on plots with permanent sown cover crop. The phenolic component in grapes benefited from the presence of the sown cover crop and the successful application of the RDI strategy.
publishDate 2015
dc.date.none.fl_str_mv 2015-08-01T00:00:00Z
2015-08-01T00:00:00Z
2017-06-23T13:33:36Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/20.500.12207/4516
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dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 2416-3953
http://dx.doi.org/10.1051/ctv/20153001009
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Instituto Nacional de Investigação Agrária e Veterinária
publisher.none.fl_str_mv Instituto Nacional de Investigação Agrária e Veterinária
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