Behavior of Grape Varieties Created at S.C.D.V.V. Blaj, Regarding Quantity and Quality during 2005-2008
Abstract
The current viticultural assortment, which allows obtaining different types of wines with great diversity, requires continuous improvement by creating the varieties capable to combine superior features of production and quality. As a result of the research work undertaken at the Research and Development Station and Enology Blaj, were created varieties Astra, Blasius and Selena. Researches were made during 2005-2008, regarding quantity and quality of yield of these three varieties, compared with Fetească regală, an inland grape variety well adapted to climatic condition of the Târnave vineyard. These grapes variety are used for producing quality white wines, as well as for producing raw material for sparkling wines (Astra variety). Astra variety had the highest number of grapes per vine with an average weight of 220 g/grape and with a production over 20 t/ha. Blasius had a potential of sugar accumulation of 173 g/l and a high acidity of 6,4 g/l H2SO4. Selena variety used to obtain wines of Traminer type it is remarkable through a big harvest, almost 12 t/ha and also for sugar accumulation of 185 g/l and a moderate acidity 5,9 g/l H2SO4 (Table 1). All these three varieties have a good resistance to cryptogrammic disease, to low temperature and drought.
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