This is a white fungus resistant cross made by the Weinbauinstitut Freiburg.
Cross: Cabernet Sauvignon X Bronner
Requirements to the site:
Souvignier gris needs a site which is suitable for Pinot blanc.
For the moment not so much because the variety is new. There are plantings in Germany, Netherlands, Italy and France.
The resistance agains Downy Mildew is very good and also the resistance to Powdery Mildew is high. In normal years and circumstances no treatments will be necessary.