Croatian viticulture under climate changes

IXe Congrès International des Terroirs vitivinicoles 2012 / IXe International Terroirs Congress 2012
élément fondamental de l’originalité et de la singularité
de leur terroir.
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Croatian viticulture under climate changes
Jasminka KAROGLAN KONTIĆ1, Dražen KAUČIĆ2, Ivana ALPEZA3, Darko PREINER1,
Zvjezdana MARKOVIĆ1, Edi MALETIĆ1
1
University of Zagreb, Faculty of Agriculture, Department of Enology and Viticulture, Svetošimunska 25, 10 000
Zagreb, Croatia
2
Meteorological and Hydrological Institute of Croatia, Grič 3, 10 000 Zagreb, Croatia
3
Croatian Centre for Agriculture, Food and Rural Affairs, Hondlova 2/11, 10 000 Zagreb, Croatia
*
Corresp. author :Karoglan Kontić, Telephone: ++385/1/23993-893, Fax: ++385/1/2393-893,
Email : [email protected]
ABSTRACT
Although being small country, in Croatia grapevine is grown under influence of two main climate types, Mediterranean
and Continental one. Winegrowing regions are divided into four climate zones based on growing degree days. There is
lot of cultivars, autochthonous as well as international ones, grown in Croatia. According to experience based on long
history of cultivation for each climate zone appropriate cultivars has been recommended and traditionally grown for
wine production.
In the last decade, together with other World winegrowing regions, we witnessed some climate changes in Croatia, too.
Climate data shows that overall in last ten years temperature of growing seasons have increased, especially in
Continental winegrowing region, where in comparison with long term average, every growing season was warmer and
most of them classified as “extremely hot”. Temperature changes have caused alteration in phenology of vines,
influencing especially process of grape ripening. As a result of warmer or even very hot ripening period analytical data
shows tendency towards changing of wine styles and most obvious being increasing of wines alcohol content. Because
of that reason varieties that have previously made excellent wines in some area may be found lees suitable and the
others for which temperature has been to low, can now be grown safely and give good results.
Together with adaptation of cultural practices in grape growing and wine making, the possibility of adaptation on
observed climate changes can be found in a careful redefinition of cultivars suitable for each winegrowing area. In
Croatia, there are so far a few examples of successful spreading of cultivars from warmer to cooler climate zones. One
of them is Plavac mali, late ripening cultivar that was used to be recommended only for warmest sub-region (Middle
and South Dalmatia), but today is spreading out of this area, giving good production characteristics even in northern sub
regions of Dalmatia.
Keywords: not specified
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