The white grape variety (also Ravat 51) is an interspecific new breed between Seibel 6905 ( Subereux ) x Pinot Noir, They are genes from Vitis lincecumii. Vitis rupestris and Vitis vinifera contain. According to 2008 DNA analysis but parenthood is questioned. The crossing of the hybrid was done by the breeder Jean François Ravat (+1940) in the 1930s in Marcigny (department of Brionnais) in central France.
The early ripening, low-yielding vine is resistant to frost but prone to Botrytis, It produces fruity white wines with floral aromas. It was in the United States quite successful and is mainly used for the production of sparkling wines and also ice wines used. There is acreage in the states 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). In 2010, a total of 254 hectares of vines were shown (cym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)