U istraživanju su uspoređene tradicionalne ('Ovčji nos', 'Mašanka' i 'Zlatna zimska parmenka') s otpornim ('Topaz', 'Pinova®' i 'Querina-Florina') i komercijalnim sortama ('Gala Schnitzer Schniga®', 'Golden Delicious Reinders®', 'Idared') s ciljem bolje procjene potencijala i kvalitete plodova sorti te za implementaciju ekološki prihvatljivije proizvodnje pojedinih sorti jabuka u intenzivnom sustavu uzgoja. U usporedbi s komercijalnim sortama u istraživanju, otporne sorte 'Topaz' i 'Pinova' pokazale su komparativna svojstva s obzirom na produktivnost, dok je sorta 'Querina-Florina' imala značajno manju učinkovitost priroda. Od tradicionalnih sorti izdvaja se sorta 'Ovčji nos' čiji je prirod komparativan s nekim komercijalnim sortama. Kvaliteta ploda svih sorti u istraživanju bila je zadovoljavajuća s obzirom na veličinu ploda te sadržaj topljive suhe tvari
Traditional cultivars (‘Ovčji nos’ – ‘Schafnase’, ‘Mašanka’ – ‘Maschanzker’ and ‘Zlatna zimska parmenka’ – ‘Goldparmäne’) were compared with resistant (‘Topaz’, ‘Pinova®’ and ‘Querina-Florina’) and commercial cultivars (‘Gala Schnitzer Schniga®’, ‘Golden Delicious Reinders®’ and ‘Idared’) within the system of intensive production aiming to better evaluate production potential, fruit quality and possibilities to implement more ecologically acceptable production practices of certain apple cultivars. In comparison to commercial cultivars, resistant cvs ‘Topaz’ and ‘Pinova’ demonstrated relative characteristics with regards to productivity, whilst cv. ‘Querina-Florina’ had significantly lower yield productivity. Out of traditional cultivars cv. ‘Ovčji nos – Schafnase’ stands out with higher yields relative to certain commercial cultivars. Fruit quality of all cultivars in research was satisfactory when it comes to fruit size and soluble solids content.