RIPENING OF THE RED WINE GRAPE VARIETIES OF THE POLYTECHNIC IN POŽEGA IN 2019

Cilj ovoga rada je istražiti kako različiti čimbenici utječu na dinamiku dozrijevanja grožđa. Prvenstveno su se istraživali klimatski čimbenici, među kojima su svjetlost, toplina, vlaga, vjetar. Istraživanje se temeljilo na vinogradarskoj godini 2019. na crnim sortama vinove loze posađenim u vinogradu Veleučilišta u Požegi. Sorte su: Pinot crni, Zweigelt, Merlot, Cabernet Sauvignon i Syrah. Pomoću prikupljenih podataka iz Klijeti Veleučilišta, izrađeni su grafikoni dozrijevanja koji prikazuju kretanje razine šećera i kiselina u grožđu.The aim of this thesis is to explore how various factors affect on dynamics of grape ripening. Climate factors have been explored in the first place, and they include: luminosity, warmth, humidity and wind. The research was based on winegrowing year of 2019. on black vine varieties which are planted in vineyard of Polytechnic in Požega. The varieties are: black Pinot, Zweigelt, Merlot, Cabernet Sauvignon and Syrah. With the use of collected data from wine cellar of mentioned polytechnic, charts of grape ripening were created and they show development of sugars and acids in the grapes