The white grape variety comes from the border area Italy / Switzerland, The name is not derived from raspberry, but probably from the Latin term "in bercla" ( pergola ), because she is traditionally educated in this way. It is allowed on reason morphological Similarities not with the "half sibling" Lafnetscha be confused. According to 2004 occurred DNA analysis it is a cross between Humagne Blanche and an unknown strain. The variety becomes a grape variety group in Switzerland Old plants counted. The medium-maturing, high-yielding vine is prone to Botrytis, but is good for dry soil. It produces a straw yellow white wine with aromas of citrus and mango. The practically extinct variety was in 1984 by the winemaker Josef-Maria Chanton in the canton Wallis in the community Visperterminen revived on only 0.2 hectares.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)