Ampelographic Characterization and some Quality Indicating Parameters of Several Indigenous Albanian Grapevine Varieties


1Vlore Agricultural Technology Transfer Center.

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As a Mediterranean country, Albanian soils and climate conditions are ideal in developing viticulture. In addition to importance of maintenance, study, collection and conservation of indigenous grapevine species is performed a three- year study with some of the most important grapevine cultivars at ATTC Vlore collection, located in south of Albania. The ex situ collection is composed of 75 native cultivars and 68 foreign varieties. Ampelographic study of Vitis vinifera L is performed focusing on 51 characters, following list of descriptors for sixteen of grapevineAlbanian cultivars ( ‘Kotek e bardhë’, ‘Sinanbel’, ‘Rrushvere’, ‘Tip merlot’, ‘Dimërakës’, ‘Tip korith’, ‘Rrush me supe’, ‘Debinë e zezë’, ‘Muskatroze’, ‘Rrushkishe’, ‘Çaushiverdhë’, ‘Roze’, ‘Rrushkungulli’, ‘Volluna’, ‘Vallaribardhë’, ‘Karkanjoz’). Referred morphological characters included; young leaves and shoot, mature leaves, matured berry, woody shoot, grape bunch, flower, must parameters and parameters that indicate wine quality during ripening process. Results pointed out these cultivars have significant differences, referred to descriptors analysed. Hierarchical cluster analysis showed the cultivars grouped in three main clusters, based on berry traits. As well, related to berry weight, cultivars ‘Rrushkungulli’ and ‘Rrushkishe’ recorded the highest values, meanwhile ‘Rrushvere’ and ‘Debinë e zezë’, the lowest. Sugar content of ‘Rrushvere’ turned out to be the highest and the lowest was recorded from cultivars ‘Roze’ and ‘Muskatroze’. ‘Çaushiverdhë’ and ‘Volluna’ recorded the lowest total acidity level, highest pH and the highest TSS:TA ratio, while ‘Roze’ and ‘Sinanbel’ recorded the highest total acidity level, lowest pH and lowest TSS:TA ratio.

Keywords: ampelographic characterization; Albanian indigenous cultivars; ripening process.