A study on determination of ampelographic characters of grape varieties grown in Hizan (Bitlis) province
2016
Saday, M.
In order to determine the ampelographic characteristics of grape varieties grown in Hizan (Bitlis) province and reveal problems of province's viticulture and suggest solutions, this research has been carried out during 2015 and 2016. The study was performed on 19 local varieties of grapes grown in producer vineyards. Ampelographic characteristics of varieties were identified according to "Grape Descriptors" of IBPGR (International Board for Plant Genetic Resources). In the end of the research, it has been identified that 24 grape varieties grown in Hizan (Bitlis) province belong to species of Vitis vinifera L., berry skin colour was identified as 'green yellow' in 10 varieties, 'dark red-violet' in 13 varieties and 'red' in Tayifi variety. The varieties had averagely 54.40-258.60 cm² bunch size, 73.60-319.29 g bunch weight, 3.0-22.50 kg yield per vine, 11.20-26.0 % soluble solids content and 2.90-8.91 g/l titretable acidity. It has been observed that time of berry ripening was 'late season' in 24 varieties. In addition, flower type was 'hermaphrodite' in 24 varieties.
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