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Blue hay

The red grape variety probably comes from Austria, Synonyms include Grosse Kauka, Peterleinstraube, Piazha, Piazhneck, Piazhnek, Plant Madame, Raisin Rouge, Rosenkranz, Sauerschwarz, Schwarzer Heunisch, Sparse Gros, Staatmacher and Thalrot. Despite the name, it is not compatible with the White Heunian Gouais Blanc ) or Red Heunisch related. According to DNA analysis it comes from a presumably natural cross between Feridac x unknown partner. It is a pure female grape, Confusingly, there is also an independent variety Black hay which is very closely related to Gouais Blanc. It is believed that the name is due morphological Similarities were assigned. No stocks were shown in 2010 (Kym Anderson ). See the Heunisch Group in detail at Gouais Blanc,

Blue Heunisch - grape and leaf

Images: Ursula Brühl, Doris Schneider, Julius Kühn Institute (JKI)

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