The white grape variety originates from Hungary. The name means "blue stem" and refers to the slightly bluish stem colour. Synonyms are Balafant, Blaustängler, Blaustiel, Blaustingl and Piros Kéknyelű. Despite seemingly suggestive synonyms or morphological similarities, it must not be confused with the Hungarian varieties Balafánt and Furmint or the Italian Picolit (long considered identical). It is an all-female grape variety. For this reason, the Budai Zöld variety is often grown in the neighbourhood for fertilisation purposes. This variety was a crossing partner in the new variety Rózsakö. The late-maturing, low-yielding vine is susceptible to trickling, resistant to frost and moderately resistant to botrytis, but susceptible to downy mildew. It produces white wines that are acidic, aromatic, rich in alcohol and full-bodied with storage potential. The variety used to be widespread, but was increasingly replaced by high-yielding varieties in the 1970s. It is cultivated in the Badacsony area on Lake Balaton. In 2016, 50 hectares of vines were reported with an increasing trend (Kym Anderson statistics).
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