Therefore, the testing of
varieties in different agro-ecological conditions is constantly searching for recognizable variety component of
quality and yield of tubers.Tuber is edible and solely reproductive part of potato. Technologically tubers are
considered as “seed” and not a real botanical seed, juicy berries in which is up to 200 seeds (Dardic and
Dimitric, a, 2009). Therefore, importance of tubers as reproductive organ is that she has determinate role in
potato production.