The influence of different loads on the quality of the must ev. Traminer (Vitis vinifera L.)

Istraživanje je postavljeno na Pokušalištu Poljoprivrednog fakulteta Mandićevac, na jednom od najpoznatijih kontinentalnih vinogorja – vinogorju Đakovo. Svrha ovog istraživanja bila je prikazati kako različito opterećenje trsa utječe na kvalitetu mošta, precizirano, na broj grozdova, urod, pH mošta, sadržaj šećera te ukupnu kiselost mošta. Pokus se odvijao na kultivaru Traminac koji je cijepljen na podlogu Kober 5BB. Pokus je bio postavljen u dva reda s po 25 biljaka što je ukupno 50 biljaka odnosno 50 uzoraka. Prvi red predstavljao je tretman, a drugi red kontrolu. Analize su se obavljale na terenu (vaganje, brojanje grozdova), te u fakultetskom laboratoriju gdje su se analizirala ostala tri parametra; pH mošta, sadržaj šećera u moštu i ukupna kiselost mošta. Analizom varijance smo utvrdili da postoje razlike visoko značajne za svako istraživano svojstvo. Učinci smanjivanja opterećenja trsa doveli su do visoko značajnih smanjenja uroda i broja grozdova, povećanje sadržaja šećera, smanjenja ukupne kiselosti i povećanja realne kiselosti.The research was set up at the Probation of Agricultural Faculty, Mandićevac, on one of the most famous continental vineyards - Đakovo vineyards. The purpose of this research was to show how different loads affect on the quality of the must, precisely, number of clusters, cluster mass, pH, sugar content, and total acid in the must. The experiment was performed on a cultivator Traminer that was vaccinated on the Kober 5BB substrate. The experiment was placed in two rows with 25 plants, which is a total of 50 plants or 50 samples. The first line was treatment, and the second line was control.Analyzes were performed on the field (weighing, counting clusters) and in the faculty laboratory where the other three parameters were released; pH, sugars and total acids. By analyzing variance, we have found that there are differences of high significance for each investigated property. Effects of lowering the load on the vine have led to significant reductions in yield and number of clusters, increase in sugar content, decrease in total acidity and increase in real acidity