The white grape variety is an interspecific new variety Seibel 5656 x Seibel 4986 (Rayon d'Or). Synonyms are Fresco, Seival, Seyval, Seyve-Villard, Seyve-Villard 5-276 and SV 5-276. Incidentally, the same parents also gave rise to the red variety Seyval Noir. It contains genes from Vitis lincecumii, Vitis rupestris and Vitis vinifera. Along with Villard Blanc, the hybrid is one of the most successful breeds of the Seyve-Villard vineyard in Saint-Vallier in the Isère département (Rhône...
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