THE BEHAVIOR OF THREE CABERNET SAUVIGNON CLONES IN VALEA CALUGĂREASCĂ AREA

Published in Scientific Papers. Series B, Horticulture, Volume LXII
Written by Vlad-Andrei FILIP, Elena BRÎNDUȘE, Marian ION, Petruța Mihaela MATEI, Laura Lidia CĂLUGĂRU

Cabernet Sauvignon variety is one of the most widespread grapevine for wine grown in Romania. By application of clonal selection, the only method to avoid the degeneration phenomenon of varieties to biotypes, five clones of Cabernet Sauvignon have been obtained and homologated in Romania. The present study aimed to analyse the behaviour of three Cabernet Sauvignon clones, namely Cabernet Sauvignon 30 Vl., 131 St. and 54 Mn. in the Valea Calugareasca viticultural area, considering the extension of their culture. The experiments were carried out during 2016-2017 harvest seasons, and were referred to the phenotypic spectrum, the fertility and productivity characteristics, the biological potential, the maturation dynamics of the grapes, the qualitative and quantitative evaluation of the grapes at harvest. These three Cabernet Sauvignon clones showed a similar phenological cycle and the behaviour to biotic factors, resistance to the pathogen attack being good and very good. During ripening, the sugar accumulation was similar at all clones (between 2.38 and 2.63 g/day) the amount of sugar accumulated on maturation period being between 49.9g and 55.2g. The glucoacidimetric ratio recorded very high values, characteristic for exceptional years (over 60%), mainly due to the very low value of total acidity. Acids metabolism has been achieved on average with 1.59-1.73 g/day. In terms of grape weight, the clone Cabernet Sauvignon 30 Vl. was highlighted with a greater weight of bunches with 11.5% compared with the Cabernet Sauvignon 54 Mn. and with 12.41% compared with the Cabernet Sauvignon 131 St. From the point of view of the polyphenolic composition, Cabernet Sauvignon 54 Mn. was noted by the value of total polyphenol index and the anthocyanic potential.

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FILIP V.A., BRINDUSE E., ION M., MATEI P.M., CALUGARU L.L. 2018, THE BEHAVIOR OF THREE CABERNET SAUVIGNON CLONES IN VALEA CALUGĂREASCĂ AREA. Scientific Papers. Series B, Horticulture, Volume LXII, Print ISSN 2285-5653, 261-266.


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