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Preliminary results of fruit quality of eight Croatian local apple cultivars

The quality of the eight local apple cultivars ('Alvanija', 'Kardinal', 'Križara', 'Majdofija', 'Muškatnica', 'Slastica', 'Slatka srčika' i 'Punika') was studied. Cultivar 'Kardinal' had the highest fruit mass, and the cultivar 'Slastica' the lowest. There was no significant difference in fruit mass between the cultivars 'Kardinal' and 'Majdofija'. Cultivar 'Alvanija' had the highest fruit height and cultivar 'Križara' the smallest. Cultivar 'Kardinal' had the widest fruits, and cultivar 'Križara' the narrowest. Cultivar 'Alvanija' had the highest shape index, and cultivars 'Križara' and 'Majdofija' the lowest. The highest firmness had cultivars 'Majdofija' and 'Slastica', and between them there was no statistically significant difference. The highest firmness had cultivars 'Majdofija' and 'Slastica', between which there was no statistically significant difference. Cultivars 'Kardinal', 'Križara' and 'Punika' had significantly lower fruit firmness but still significantly higher than cultivar 'Muškatnica'.. Cultivar 'Slastica' had the highest soluble solids content, and cultivar 'Križara' the lowest. Cultivar 'Križara' received significantly lower panelist score for crispness, texture and juiciness than cultivar 'Majdofija'. cultivars 'Kardinal' and 'Majdofija' received the better scores for taste attributes than other cultivars. Panelist scores for the general impression and shape were higher for cultivars 'Kardinal' and 'Madofija'. There was no significant difference in panelist scores for fruit size between these cultivars and cultivars 'Alvanija' and 'Križara'. Panelist scores for fruit shape and general impression were the highest for the cultivars 'Kardinal' and 'Madofija'. It was concluded that the most promising cultivars are 'Majdofija' and 'Kardinal'. However, to fully evaluate their potential, comparison with other cultivars in the standard growing conditions during long-term research is needed.

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

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