In the field of clone development in the Mosel-Saar-Ruwer region, in 5 selection phases microvinifications were carried out. Included were the varieties Kerner, Gewürztraminer, Riesling and Müller Thurgau. According to the harvest and wine data, the findings in the sensorial assessment of the wine, as well as the results of the correlation and regression analysis, the following was established There were differences in the harvest data.There were differences in the sensory assessment.The must weight alone as a selection criterion for wine quality was insignificant.It is strongly recommended that a microvinification with at least 2 replicates should be carried out in each selection phase