Synonym or breeding number (also GM 9-93) for the grape variety Ehrenfelser; see there.
The white grape variety (also Geisenheim 9-93) is a new variety between Riesling x Knipperlé according to DNA analyses published in the year 2013. The paternity of Grüner Silvaner stated in the breeding list has been proven to be wrong. The name is derived from the ruin Ehrenfels near...
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Thorsten Rahn
Restaurantleiter, Sommelier, Weindozent und Autor; Dresden