https://ucanr.edu/blog/food-blog/article/uc-davis-releases-5-grape-varieties-resistant-pierces-disease
For the first time since the 1980s, University of California, Davis, researchers have released new varieties of wine grapes. The five new varieties, three red...
uc davisgrape varietiesreleasesresistantpierce
https://www.thermenregion-wienerwald.at/en/zweigelt
Zweigelt is now the most widespread red wine grape variety in Austria.
grape varietieszweigelt