Utjecaj ampelotehničkih zahvata na kemijski sastav grožđa sorte ‘Zlatarica vrgorska’ u vinogorju Vrgorac | The influence of ampelotehnical measures on the chemical compositions of grapes of the variety ‘Zlatarica vrgorska’ in the Vrgorac winegrowing area
Andabaka, Željko | Brkljčić, Marija | Preiner, Darko | Stupić, Domagoj | Marković, Zvjezdana | Maletić, Edi | Karoglan Kontić, Jasminka | Tomaz, Ivana | Šikuten, Iva
croate. ‘Zlatarica vrgorska’ je autohtona sorta vinove loze koja se uzgaja na području vinogorja Vrgorac. Defolijacija i prorjeđivanje grozdova zahvati su zelene rezidbe. Ovisno o periodu primjene defolijacija može biti rana ili kasna. Prorjeđivanje grozdova provodi se najčešće od kraja cvatnje (oplodnje) pa do pojave šare. Analiza kemijskih pokazatelja kvalitete mošta ukazala je na statistički značajne razlike u sadržaju šećera i ukupnih kiselina kod obje pokusne varijante na lokaciji Topolac, te u varijanti prorjeđivanja i defolijacije na lokaciji Telčuša. Kod analize hlapljivih spojeva lokacija je imala značajan utjecaj.
Afficher plus [+] Moins [-]anglais. ‘Zlatarica Vrgorska’ is a native grapevine variety grown in the Vrgorac winegrowing area. Defoliation and cluster thinning are different viticultural practices. Depending on the period of application, defoliation can be early or late. Cluster thinning is usually carried out from the end of flowering (fruit set) until the appearance of the vérasion. The analysis of the chemical indicators of must quality indicated statistically significant differences in the content of sugar and total acids in the must in both experimental variants at the Topolac location, and in the thinning and defoliation variant at the Telčuša location. In the analysis of volatile compounds, the location had a significant influence.
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