Abstract
The territory of Abkhazia belongs to the region of origin of the cultivated grapevine. Wild forms, intermediate forms between wild and cultivated grapevines and a variety of local native cultivars grow here. In the one of the private yards, a grapevine was found, the name and exact origin of which is not known. The vine showed no signs of fungal diseases in the humid conditions of the region during the absence of chemical treatment. The grape harvest was used to make red wine. DNA-fingerprinting of the unknown genotype was performed to determine its origin. Analysis of the identified DNA profile for 9 SSR loci in the international VIVC database did not reveal coincides with any known cultivar. The methods of Principal coordinates analysis and Bayesian analysis were used to compare the unknown genotype with the genotypes of Vitis vinifera L of several geographic groups and varieties - interspecific hybrids. The closest genotype to the unknown form is the variety Isabella (V. labrusca L. × V. vinifera L).
Highlights
The Western Transcaucasia and, especially, the subtropical zone of Georgia and the Central part of Abkhazia are recognized as centers of origin of the cultivated grapevine [1]
The identified DNA-profile was analyzed in the international database of grape variety DNA-profiles: VIVC [15]
When compared with data in the VIVC international database, no matches were found with any known varieties
Summary
The Western Transcaucasia and, especially, the subtropical zone of Georgia (its Western part) and the Central part of Abkhazia are recognized as centers of origin of the cultivated grapevine [1]. Can be found wild forms, intermediate forms between wild and cultivated grapes and a variety of local ancient cultivars. The region of Abkhazia has been known for its viticulture since ancient times. The local assortment was formed under the influence of various historical events. In the mid-twentieth century, significant areas of vineyards were destroyed when the region got phylloxera. The American variety Isabella and some European cultivars on rootstocks were actively planted
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