Synonym or breeding number (also FR 177-68) for the grape variety Johanniter; see there.
The white grape variety (also FR 177-68) is a complex new breeding between Riesling x FR 589-54 (by the way, the same parents also gave rise to the Austrian new breeding Donauriesling ). It contains genes from Vitis aestivalis, Vitis Vitis...
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freier Autor und Weinberater (Fine, Vinum u.a.), Bad Krozingen