The white grape variety (also FR 240-75) is a new breed between Merzling x GM 6493 and GM 6494 (Zarya Severa x Muscat Ottonel). The crossing was made in 1975 by Norbert Norbert Becker (b. 1937) at the National Institute of Viticulture and Freiburg (Germany) (Baden-Wuerttemberg). The Plant Variety Protection was granted in 2001. The early-ripening variety has good resistance to both mildew and frost and is only slightly susceptible to stem necrosis and Coulure . It provides strong, acid-stressed white wines with a pronounced fruitiness. In 2009 she finished second in Germany 66 hectares, of which 37 are in the region of Baden. It is cultivated in small quantities in Switzerland. Mid 2009, the Rheingau estate Balthasar Ress at the Schleswig-Holstein North Sea island of Sylt belonging planted vines Solaris. The variety and the output of plant population Solaris Merzling x (Zarya Severa x Muscat Ottonel) was a partner at the crossroads new varieties Cabernet Cantor , Carol Cabernet , Cabernet Cortis , Galanth , Monarch and MUSCARIS .