Abstract
Türkiye has a very suitable climate for viticulture, and different grape varieties have been grown in almost every region since ancient times. Although these grape varieties have different names, there are also grape varieties with the same genetic structure. In particular, in the Black Sea Region, Vitis labrusca, which is resistant to heavy rainfall and humidity, and hybrids of this species grow. However, it is known that different genotypes of this species are grown in the region. Genetic confusion exists in Vitis labrusca L. and its hybrids due to natural pollen transfer and crossing. This study evaluated the genetic similarities and differences among Vitis varieties and genotypes, mainly Vitis labrusca genotypes, with 18 different SSR primers. In the genetic relationship dendrogram, the varieties/genotypes showed similarity at rates ranging from 0.65% to 0.98%. The highest similarity rate between the varieties and genotypes used in the study was determined between the genotypes 5 '57 Gerze 04' and 6 '61 Of 04' with 92%. The results obtained have revealed different grape gene pools, especially in the Black Sea Region, and are expected to contribute to disease resistance breeding studies in the future significantly. Increasing consumer awareness of climate change will increase the interest in disease-resistant or tolerant grapes, such as Vitis labrusca species, in the coming years.
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