, Volume 60, Supplement 1, pp 71–77 | Cite as

Changes in Phenolic Compounds Profile and Anthocyanin Content of cv. Cabernet Sauvignon (V. vinifera L.) Induced by Different Doses of Foliar Oak Applications with Urea

  • Demir KokEmail author
Original Article


Phenolic compounds and anthocyanins had pivotal roles on wine grape quality. In order to enhance contents of these substances, several techniques have been applied to grapevines. In recent years, there has been an increasing concern about using of foliar oak applications for improving wine grape quality. In this study, it was used a low concentration (0.6%) of urea for increasing efficiency of different doses of oak applications. For this aim, it was benefited from different doses of foliar oak applications with or without urea, including: 0 ppm oak (Oa), 1250 ppm oak (Oa), 2500 ppm (Oa), 5000 ppm (Oa), 0 ppm oak (Oa) + 0.6% Urea (Ur), 1250 ppm oak (Oa) + 0.6% Urea (Ur), 2500 ppm oak (Oa) + 0.6% Urea (Ur), 5000 ppm oak (Oa) + 0.6% Urea (Ur). Although yield and wine grape quality characteristics were favorably affected by increasing doses of oak applications; urea added oak applications were especially found to be more effective for both characteristics. As a result, application of 5000 ppm oak (Oa) + 0.6% Urea (Ur) led to best results in terms of yield and wine grape characteristics of cv. Cabernet Sauvignon.


Vitis vinifera L. Wine grape Foliar oak application Foliar urea application Phenolic compounds Anthocyanins 

Veränderungen bei phenolischen Inhaltsstoffen und des Anthocyananteils bei der Rebsorte ‘Cabernet Sauvignon‘ (V. vinifera L.) durch die Blattapplizierung von Eichenextrakt mit Harnstoff in unterschiedlicher Dosierung


Vitis vinifera L. Weinrebe Blattapplizierung mit Eichenextrakt Blattapplizierung mit Harnstoff Phenolverbindungen Anthocyane 


Conflict of interest

D. Kok declares that he has no competing interests.


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Copyright information

© Springer-Verlag GmbH Deutschland, ein Teil von Springer Nature 2018

Authors and Affiliations

  1. 1.Agricultural Faculty, Department of HorticultureNamik Kemal UniversityTekirdagTurkey

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