The red grape variety (also California S 8, Rubyred, Tintoria) is an interspecific new variety between Alicante Ganzin x Tinto Cão. It contains genes from Vitis rupestris and Vitis vinifera. The hybrid was crossed in 1938 at the California Agricultural Experiment Station by the breeder Harold P. Olmo...
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Roman Horvath MW
Domäne Wachau (Wachau)