Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em>
The effect of leaf removal treatments around vine cluster zones on must quality were tested during 2003 and 2004 in Rías Baixas (Spain) in two Albariño vineyards infected by GLRaV-3. As expected, the main virus damage was decreased sugar content (2.1 Brix in 2003 and 0.9 Brix in 2004) in the musts c...
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doaj-132b8a4e663947cb902f58555c9c1b2a2020-11-25T03:24:21ZengFirenze University PressPhytopathologia Mediterranea0031-94651593-20952012-08-0151210.14601/Phytopathol_Mediterr-885410131Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em>Sonia PEREIRA-CRESPO0Antonio SEGURA1Julián GARCÍA-BERRIOS2Cristina CABALEIRO3Universidad de Santiago de Compostela, Facultad de Biología.Universidad de Santiago de Compostela, Facultad de Biología.Universidad de Santiago de Compostela, Escuela Politécnica SuperiorUniversidad de Santiago de Compostela, Escuela Politécnica SuperiorThe effect of leaf removal treatments around vine cluster zones on must quality were tested during 2003 and 2004 in Rías Baixas (Spain) in two Albariño vineyards infected by GLRaV-3. As expected, the main virus damage was decreased sugar content (2.1 Brix in 2003 and 0.9 Brix in 2004) in the musts compared with leafroll-free plants. Leaf removal improved must quality by decreasing titratable acidity by between 0.5 and 1.9 g L-1 of tartaric acid, depending on the experiment; it also increased the grape sugar content an average of 1 Brix. In vineyards with high incidence of GLRaV-3, partial defoliation at veraison, or 2 to 3 weeks later, had an improved must quality, counteracting the negative impact of the virus. This process is recommended to avoid penalties in wineries during years with poor ripening conditions.https://oajournals.fupress.net/index.php/pm/article/view/5494leaf-removalsugar contenttitratable acidity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Sonia PEREIRA-CRESPO Antonio SEGURA Julián GARCÍA-BERRIOS Cristina CABALEIRO |
spellingShingle |
Sonia PEREIRA-CRESPO Antonio SEGURA Julián GARCÍA-BERRIOS Cristina CABALEIRO Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em> Phytopathologia Mediterranea leaf-removal sugar content titratable acidity |
author_facet |
Sonia PEREIRA-CRESPO Antonio SEGURA Julián GARCÍA-BERRIOS Cristina CABALEIRO |
author_sort |
Sonia PEREIRA-CRESPO |
title |
Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em> |
title_short |
Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em> |
title_full |
Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em> |
title_fullStr |
Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em> |
title_full_unstemmed |
Partial defoliation improves must quality of cv. Albariño infected by <em>Grapevine leafroll associated virus 3</em> |
title_sort |
partial defoliation improves must quality of cv. albariño infected by <em>grapevine leafroll associated virus 3</em> |
publisher |
Firenze University Press |
series |
Phytopathologia Mediterranea |
issn |
0031-9465 1593-2095 |
publishDate |
2012-08-01 |
description |
The effect of leaf removal treatments around vine cluster zones on must quality were tested during 2003 and 2004 in Rías Baixas (Spain) in two Albariño vineyards infected by GLRaV-3. As expected, the main virus damage was decreased sugar content (2.1 Brix in 2003 and 0.9 Brix in 2004) in the musts compared with leafroll-free plants. Leaf removal improved must quality by decreasing titratable acidity by between 0.5 and 1.9 g L-1 of tartaric acid, depending on the experiment; it also increased the grape sugar content an average of 1 Brix. In vineyards with high incidence of GLRaV-3, partial defoliation at veraison, or 2 to 3 weeks later, had an improved must quality, counteracting the negative impact of the virus. This process is recommended to avoid penalties in wineries during years with poor ripening conditions. |
topic |
leaf-removal sugar content titratable acidity |
url |
https://oajournals.fupress.net/index.php/pm/article/view/5494 |
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