The white grape variety (also Geilweilerhof 33-13-113) is a new breed between ( Sylvaner x Riesling ) x Müller-Thurgau published in 2012 DNA analysis, The cross was made in 1930 by the breeder Peter Morio (1887-1960) at the Institute of Vine Breeding Geilweilerhof in Siebeldingen-Pfalz. The variety protection was granted in 1971. By the way, the same parent is also the variety Bacchus emerged. Optima was a crossing partner in the new breeding Orion The vine ripens very early and is resistant to the wrong people mildew, but sensitive to frost and prone to Botrytis, It produces yellow-green, low-acid wines with a Riesling-like aroma. In 2010 the variety in Germany 59 hectares of vineyards, the tendency is strongly falling. There are also small stocks in Austria. England (2 ha) and Canada (6 ha).
Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)