 The wines can be created as dry, such as Dingač and Postup, as well as semi-dry.In the 1980s, Plavac Mali was incorrectly thought to be an ancestor of Zinfandel.In 1998, while researching the origins of Zinfandel through DNA fingerprinting, Dr. Carole Meredith at UC Davis with the urging from Mike Grgich (a well-known winemaker in Napa Valley originally from Croatia) and researchers from the University of Zagreb discovered that Zinfandel is actually one parent of Plavac Mali.