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The white grape variety is a new breed between Kerner x unknown variety according to published in 2012 DNA analysis, The paternity of Grüner indicated in the breeding list Sylvaner turned out to be wrong. Synonyms are Jewel and Weinsberg S 378. The crossing took place in 1951 through August herald (1902-1973) and Helmut Schleip at the State Teaching and Research Institute vineyard in Wuerttemberg, Of the variety protection was granted in 1987. The medium maturing vine is resistant to falseness mildew, but very susceptible to powdery mildew. It yields fruity, yellowish green Riesling similar white wines. The variety is in Germany mainly in the growing area Rheinhessen grown. In 2010, 23 hectares were reported with a steep decline. Jewel is synonymous with the grape variety Frühgipfler,

Jewel - grape and leaf

Photos: Doris Schneider, Ursula Brühl, Julius Kühn Institute (JKI), Federal Research Center for Cultivated Plants,
Institute for Grapevine Breeding Geilweilerhof - 76833 Siebeldingen, GERMANY

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