Synonym or cultivar number (also WE 75-34-13) for the Sauvitage grape variety; see there.
The white grape variety (breeding no. WE 88-101-13) is an interspecific new breeding between Freiburg 147-66 x Weinsberg 75-34-13 (Sauvignon Blanc x (Riesling x Amurensis)). It contains genes from Vitis amurensis, Vitis berlandieri, Vitis labrusca,...
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