1. Department for Viticulture and Enology, Biotechnical FacultyUniversity of Montenegro ME‐81000 Podgorica Montenegro
2. Department for viticulture and oenologyFederal College and Research Institute for Viticulture and Pomology A‐3400 Klosterneuburg Austria
3. Division of Viticulture and PomologyUniversity of Natural Resources and Life Science 3430 Tulln/Donau Austria