The red variety (also FR 455-83 R) is a new breed between Cabernet Sauvignon x ( Merzling x ( Zarya Severa x St. Laurent )). They are genes of Vitis amurensis. Vitis lincecumii. Vitis rupestris and Vitis vinifera contain. From the father's variety later went the variety Bronner out. The intersection of hybrid was made in 1983 by Norbert Becker (1937-2012) at the Weinbauinstitut Freiburg (Baden-Württemberg). The PIWI variety is resistant to the true and the false according to the breeding goal mildew, It produces color-intensive and tannin-rich red wines. In 2010 were in Germany but no stocks reported yet.
Image: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)