The white grape variety (also Ravat 51) is an interspecific new variety between Seibel 6905(Subereux) x Pinot Noir. It contains genes from Vitis lincecumii, Vitis rupestris and Vitis vinifera. However, according to DNA analyses carried out in 2008, parenthood is doubted. The hybrid was crossed by the breeder Jean François Ravat (+1940) in the 1930s in Marcigny (Brionnais department) in central France.
This early-ripening, low-yielding vine is resistant to frost but susceptible to botrytis. It produces fruity white wines with floral aromas. It was quite successful in the USA, where it is mainly used for the production of sparkling wines and also ice wines. The states of Illinois (26 ha), Indiana (24 ha), Iowa (7 ha), Kentucky (7 ha), Michigan (32 ha), Missouri (84 ha), New York (57 ha) and Pennsylvania (16 ha) are all planted with botrytis. In 2010, a total of 254 hectares of vineyards were designated (Kym Anderson).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)