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• Fruit coloration of apple cultivars

  11-14.

  Á. Csihon

  I. Gonda

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  331

  One of the most important parameter of apple cultivars is the scale and the intensity of the coloration of fruits. Nowadays among the bicolour cultivars those are the most saleable which have the highest and darkest fruit coloration. In our three years old study cultivars born with bud mutation and cross breading were examined, which have superior coloration peculiarities than their parental cultivars. According to our results among the observed cultivars the cvs. ’Gala Decarli-Fendeca’, ’Galaval’, ’Wilton’s Red Jonaprince’, ’Early Red One’ and ’Red Cap Valtod’ reached favourable high fruit surface colour (80-100%) regardless the vintage effect. Concerning the colour intensity, that is the darkness of the red colour most of the cultivars (‘Gala Venus Fengal’, ‘Gala Fendeca-Fendeca’, ‘Galaval’, ‘Jeromine’, ‘Red Topaz’, ‘Early Red One’, ‘Crimson Crisp’, ‘Wilton’s Red Jonaprince’) showed excellent values (4,5-5,0). Based on the fruit surface colour and the fruit colour intensity a new index number, the fruit coloration index was created by us, which describes the coloration features in a complex way.