Ampelographic Description of Local Grape Varieties Grown in Hizan (Bitlis) Province

Abstract

This study was carried out to determine in according to international norms amphelographic characteristics of 24 local the grape varieties grown in Hizan (Bitlis) province in 2015-2016. Ampelographic characters of these grape cultivars were determined according to Descriptors of Grape norms of IBPGR (International Board for Plant Genetic Resources). Flower type (OIV 151) was identified as ‘hermaphrodite’ in 24 varieties, ‘female with reflexed stamens’ in Siyah Güzane variety. Bunch size (OIV 202) was determined as ‘very small’ in 13 varieties, ‘small’ in 6 varieties, ‘medium’ in 3 varieties and ‘big’ in 2 varieties. Berry skin colour (OIV 225) was ‘dark red violet’ in 13 varieties, ‘green yellow’ in 10 varieties and ‘red’ in Tayfivariety. Varieties had averagely 11-22.40 % soluble solids content (OIV 505) and 2.90-8.91 g/l titretable acidity (OIV 506). © 2017, Centenary University. All rights reserved.