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Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region

Bibliographic Details
Main Author: Birks, Peter Melville
Publication Date: 2012
Format: Master thesis
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: http://hdl.handle.net/10400.5/8611
Summary: Mestrado Vinifera EuroMaster - Instituto Superior de Agronomia
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spelling Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine regionTouriga Nacionalclimatephenologyberry compositionyieldrootstockMestrado Vinifera EuroMaster - Instituto Superior de AgronomiaDespite the expansion and increasing popularity of Touriga Nacional in Portugal, there has not been extensive research into the variety’s response to different climate characteristics. The objective of this research was to test the relationships between different climate indices and berry composition and Phenology in Touriga Nacional in the Dão winegrowing region of Portugal. From the available data we can also explore any evolution of the climate, berry composition and phenology during the recorded years. Climate and plant data were analysed from records collected at the ‘Centro de Estudos Vitivinícolas do Dão’ in the Dão wine region of northern Portugal between 1963-2010. Six common climate indices were calculated from the climate data for each year of the recorded period. Berry composition and phenology records of Touriga Nacional planted at the research centre from the same period were also analysed. Any trends or changes in climate or plant data were analysed over the recorded period. All climate indices were correlated against the plant data results to investigate any relationships. An increase in the Growing Season Temperature Index (GST) during the studied period was observed that agreed with studies over a similar period in other parts of Europe. Various climate indices had some correlations with grape and vine parameters; generally acidity showed a reduction with increases in temperature-based indices. Budburst and harvest dates were confirmed to be hastened by higher temperatures. Also yield had a positive correlation with the Huglin Index (HI). HI had a better correlation with plant parameters because it is calculated over a 6-month (instead of 7-month) period. Understanding the relationship between Touriga Nacional and climate indices can help producers maximise the potential of this important Portuguese variety, as well as aid its expansion into other Portuguese regions and other regions throughout the worldISA/ULLopes, Carlos Manuel AntunesRepositório da Universidade de LisboaBirks, Peter Melville2015-12-31T01:30:11Z20122012-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttp://hdl.handle.net/10400.5/8611engBirks, P.M. - Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region. Lisboa: ISA, 2012, 72 p.info:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2025-03-17T16:06:10Zoai:repositorio.ulisboa.pt:10400.5/8611Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-29T04:02:46.174147Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
title Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
spellingShingle Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
Birks, Peter Melville
Touriga Nacional
climate
phenology
berry composition
yield
rootstock
title_short Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
title_full Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
title_fullStr Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
title_full_unstemmed Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
title_sort Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region
author Birks, Peter Melville
author_facet Birks, Peter Melville
author_role author
dc.contributor.none.fl_str_mv Lopes, Carlos Manuel Antunes
Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Birks, Peter Melville
dc.subject.por.fl_str_mv Touriga Nacional
climate
phenology
berry composition
yield
rootstock
topic Touriga Nacional
climate
phenology
berry composition
yield
rootstock
description Mestrado Vinifera EuroMaster - Instituto Superior de Agronomia
publishDate 2012
dc.date.none.fl_str_mv 2012
2012-01-01T00:00:00Z
2015-12-31T01:30:11Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.5/8611
url http://hdl.handle.net/10400.5/8611
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Birks, P.M. - Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region. Lisboa: ISA, 2012, 72 p.
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 ISA/UL
publisher.none.fl_str_mv ISA/UL
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
_version_ 1833601923317497856

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