Document Detail

Influence of a deficit irrigation regime during ripening on berry composition in grapevines (Vitis vinifera L.) grown in semi-arid areas.
MedLine Citation:
PMID:  17852488     Owner:  NLM     Status:  MEDLINE    
A study was made of the effects of irrigation management strategies during ripening on the quality of Spanish field-grown grapevine (Vitis vinifera L.) cultivars (Baladi, Airén, Montepila, Muscat Blanc à Petits Grains and Pedro Ximénez) grown under the "Montilla-Moriles" Appellation of Origin in Cordoba, Spain. From 1999 to 2002, two water-availability regimes were established: irrigation and non-irrigation. The study aimed to ascertain the effect of irrigation on berry development and ripening, and hence on grape juice quality. Changes in phenological stages, vegetative growth, vineyard yield, berry weight, total soluble solids, titrable acidity, pH, tartaric acid, malic acid, and potassium content were monitored. No significant differences were noted in phenological phases between the non-irrigation and deficit irrigation regimes. The Ravaz index, pruning weight, vineyard yield and berry weight were significantly higher in all varieties and years under deficit irrigation. Deficit irrigation induced higher titrable acidity, higher malic acid and potassium contents and a lower pH, but had no significant effects on berry sugar accumulation or tartaric acid content. Deficit irrigation thus appears to be a promising technique for the production of quality young wines in semi-arid areas.
María-Isabel López; María-Teresa Sánchez; Antonio Díaz; Pilar Ramírez; José Morales
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of food sciences and nutrition     Volume:  58     ISSN:  0963-7486     ISO Abbreviation:  Int J Food Sci Nutr     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2008-02-04     Completed Date:  2008-05-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9432922     Medline TA:  Int J Food Sci Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  491-507     Citation Subset:  IM    
Centro de Investigación y Formación Agraria de Cabra-Priego, Instituto de Investigación y Formación Agraria y Pesquera (IFAPA), Junta de Andalucia, Cabra (Córdoba), Spain.
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MeSH Terms
Agriculture / methods*
Carbohydrate Metabolism
Fruit / metabolism*
Malates / metabolism
Statistics as Topic
Vitis / chemistry,  growth & development*
Water / metabolism*
Wine / analysis*
Reg. No./Substance:
0/Malates; 6915-15-7/malic acid; 7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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