Reactions of grape varieties to climate changes in North East Slovenia

This work examined the trend of changes in temperature from 1950 to 2009 recorded by the Maribor meteorological station, and from 1980 to 2009 the dynamics of grape ripening of early-, medium late-, and late-ripening vine varieties in the Slovenian Styria wine-growing region in North East Slovenia....

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Main Authors: S. Vršič, T. Vodovnik
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2012-01-01
Series:Plant, Soil and Environment
Subjects:
Online Access:https://pse.agriculturejournals.cz/artkey/pse-201201-0006_reactions-of-grape-varieties-to-climate-changes-in-north-east-slovenia.php
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author S. Vršič
T. Vodovnik
author_facet S. Vršič
T. Vodovnik
author_sort S. Vršič
collection DOAJ
description This work examined the trend of changes in temperature from 1950 to 2009 recorded by the Maribor meteorological station, and from 1980 to 2009 the dynamics of grape ripening of early-, medium late-, and late-ripening vine varieties in the Slovenian Styria wine-growing region in North East Slovenia. Based on the data associated with the content of soluble solids, total acidity, and the recommended date of harvest in a particular year, the trends towards shortening of the grapevine growing period were calculated. In general, temperature changes were more significant since 1980 than between 1950 and 1979. The mean annual and seasonal temperature significantly increased, i.e. 0.06°C per year. The growing season was shortened in all studied varieties from 15 to 27 days. Trends showed significantly decreasing content of total acidity, which can be considered explicitly as a consequence of higher temperatures during the growth period and ripening of grape berries. Grapes now ripen at temperatures which are approximately by 2°C higher than 30 years ago. Regarding the total acidity content of the late-ripening varieties, the influence of higher temperatures is positive. Minor changes were found in precipitations rates.
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spelling doaj.art-8193d50c063e4fd78b2626a1af29789d2023-02-23T03:45:52ZengCzech Academy of Agricultural SciencesPlant, Soil and Environment1214-11781805-93682012-01-01581344110.17221/352/2011-PSEpse-201201-0006Reactions of grape varieties to climate changes in North East SloveniaS. Vršič0T. Vodovnik1Faculty of Agriculture and Life Sciences, University Centre of Viticulture and Enology Meranovo, Hoče, SloveniaThe Maribor Agriculture and Forestry Institute, Maribor, SloveniaThis work examined the trend of changes in temperature from 1950 to 2009 recorded by the Maribor meteorological station, and from 1980 to 2009 the dynamics of grape ripening of early-, medium late-, and late-ripening vine varieties in the Slovenian Styria wine-growing region in North East Slovenia. Based on the data associated with the content of soluble solids, total acidity, and the recommended date of harvest in a particular year, the trends towards shortening of the grapevine growing period were calculated. In general, temperature changes were more significant since 1980 than between 1950 and 1979. The mean annual and seasonal temperature significantly increased, i.e. 0.06°C per year. The growing season was shortened in all studied varieties from 15 to 27 days. Trends showed significantly decreasing content of total acidity, which can be considered explicitly as a consequence of higher temperatures during the growth period and ripening of grape berries. Grapes now ripen at temperatures which are approximately by 2°C higher than 30 years ago. Regarding the total acidity content of the late-ripening varieties, the influence of higher temperatures is positive. Minor changes were found in precipitations rates.https://pse.agriculturejournals.cz/artkey/pse-201201-0006_reactions-of-grape-varieties-to-climate-changes-in-north-east-slovenia.phpvinegrowth periodgrape ripeness
spellingShingle S. Vršič
T. Vodovnik
Reactions of grape varieties to climate changes in North East Slovenia
Plant, Soil and Environment
vine
growth period
grape ripeness
title Reactions of grape varieties to climate changes in North East Slovenia
title_full Reactions of grape varieties to climate changes in North East Slovenia
title_fullStr Reactions of grape varieties to climate changes in North East Slovenia
title_full_unstemmed Reactions of grape varieties to climate changes in North East Slovenia
title_short Reactions of grape varieties to climate changes in North East Slovenia
title_sort reactions of grape varieties to climate changes in north east slovenia
topic vine
growth period
grape ripeness
url https://pse.agriculturejournals.cz/artkey/pse-201201-0006_reactions-of-grape-varieties-to-climate-changes-in-north-east-slovenia.php
work_keys_str_mv AT svrsic reactionsofgrapevarietiestoclimatechangesinnortheastslovenia
AT tvodovnik reactionsofgrapevarietiestoclimatechangesinnortheastslovenia