Effect of Nitrogen Fertilization on Savvatiano (Vitis vinifera L.) Grape and Wine Composition

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Abstract

Nitrogen nutrition is one of the most effective cultural practices in vineyards. The vine nitrogen status influences the berries’ quality characteristics and the produced wines. The current study investigated the effect of traditional nitrogen fertilization in the form of ammonium sulfate compared to nitrogen fertilization coupled with the nitrification inhibitor 3,4-Dimethylpyrazole phosphate (DMPP) on the agronomic characteristics of grapes and the produced wines of the white variety Savvatiano from a productive vineyard in the Attiki region. Must and wine quality was evaluated by a chemical analysis and sensorial evaluation by trained panelists. The different forms of nitrogen fertilizers did not significantly affect the aroma and sensory profile in contrast to unfertilized grapevines. In addition, the applied fertilization increased some important aroma compounds in the wine, compared to no fertilization. The significance of this work is to add information about the effect of nitrogen fertilization on the wine volatile composition of the Greek white grapevine Savvatiano.

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Miliordos, D. E., Kanapitsas, A., Lola, D., Goulioti, E., Kontoudakis, N., Leventis, G., … Kotseridis, Y. (2022). Effect of Nitrogen Fertilization on Savvatiano (Vitis vinifera L.) Grape and Wine Composition. Beverages, 8(2). https://doi.org/10.3390/beverages8020029

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