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    Geisenheim 6423- 14

    Vitis vinifera L.

    Geisenheim 6423- 14 is a breeding line recorded in the Vitis International Variety Catalogue (VIVC), passport no. 21823.1

    VIVC gives its country or region of origin as Germany.1

    VIVC lists its parents as Rotberger × Heroldrebe, as given by the breeder or the literature.1

    Crossed in 1964 by Forschungsanstalt Geisenheim.1

    It is not in the University of Adelaide area database: no vineyard area is recorded for it in 2000–2023.2

    In the atlas it is a parent of 1 variety.1

    vinoluma engraving: a schematic leaf, not a botanical description of the variety.
    VIVC
    № 218231
    Origin
    Germany1
    Offspring in the atlas
    1
    parentRotberger
    parentHeroldrebe
    Geisenheim 6423- 14

    Offspring

    Parents

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    Sources

    1. VIVC passport no. 21823. Vitis International Variety Catalogue (VIVC), Julius Kühn-Institut, 2026. level 2
    2. Database of Regional, National and Global Winegrape Bearing Areas by Variety, 2000 to 2023. Anderson K., Nelgen S., Puga G. Wine Economics Research Centre, University of Adelaide (CC BY 4.0), 2026. level 3