Synonym or breeding number (also GM 7815-1) for the grape variety Saphira; see there.
The white grape variety (also Geisenheim 7815-1) is a new variety between Arnsburger x Seyve-Villard 1-72(Rayon d'Or x Bertille Seyve 450). It contains genes from Vitis aestivalis, Vitis labrusca, Vitis...
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Roman Horvath MW
Domäne Wachau (Wachau)