engleski

Fruit quality of nine old apple cultivars

The quality of the nine old apple cultivars (‘Bellefleur’, ‘Carević’, ‘Čelenka’, ‘Crvena jesenska rebrača’, ‘Paradija’, ‘Paulaner weinapfel’, ‘Perovnjača’, ‘Winter Banana’ and ‘Zuccalmaggio’) was studied. Cultivars ‘Gelber Bellefleur’, ‘Crvena jesenska rebrača’‘Paulaner weinapfel’ and ‘Winter banana’ had significantly highest fruit mass, and ‘Carević’, ‘Čelenka’, ‘Paradija’ and ‘Zuccalmaggio’ the lowest. Cultivar ‘Gelber Bellefleur’ had significantly the highest fruit height and cultivar ‘Čelenka’ the smallest. Cultivar ‘Perovnjača’ had significantly the highest fruit width, and cultivar ‘Zuccalmaggio’ the lowest. Cultivar ‘Paradija’ had significantly the highest shape index and cultivar ‘Perovnjača’ the smallest. Among the red-colored cultivars, cultivars ‘Carević’ and ‘Crvena jesenska rebrača’ had significantly higher L and a - values, while cultivar ‘Čelenka’ had significantly higher Chroma and Hue angle. Hue angle in this cultivar was 72 % higher than in cultivar ‘Crvena jesenska rebrača’ and 51 % higher than in cultivar ‘Carević’, showing nice and intensive red coloration of this cultivar. Among yellow-colored cultivars, ‘Winter Banana’ had significantly the highest L-value. There were no significant difference in a- value among cultivars ‘Bel Fleur’, ‘Paradija’, and ‘Zuccalmagio’, and they had the highest values. Cultivar ‘Paulaner Weinapfel’ had the highest b- and Chroma values, and there were no significant differences among cultivars in Hue angle. Cultivar ‘Zuccalmaggio’ had the highest firmness and ‘Paulaner Weinapfel’ the smallest. Cultivar ‘Crvena jesenska rebrača’ had significantly highest SSC, and ‘Perovnjača’ the smallest. Cultivar ‘Perovnjača’ had significantly highest TA, and there was significant difference compared to ‘Čelenka’. Cultivars ‘Crvena jesenska rebrača’, ‘Paradija’, ‘Winter Banana’, ‘Paulaner Weinapfel’ and ‘Zuccalmagio’ had significantly lowest TA and there were no significant differences among them. Cultivar ‘Crvena jesenska rebrača’ had significantly highest SSC/TA ratio, and ‘Perovnjača’ the lowest. There were no significant differences in seed number per fruit among cultivars. The main disadvantage of these cultivars is small fruit size, which is important trait for fresh consumption. Therefore, it is necessary to evaluate improving the fruit size in these cultivars by pruning, fertilizing and thinning before their reintroduction into production.

Malus x domestica Borkh.; fruit quality; conservation; pomology; biodiversity

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