The white grape probably comes from Italy (or Spain ). Synonyms are Bernarda, Bernard, Bernardine, Blanc de la Salle, Blanc de Morgex, Blanc du Valdigne, Legiruela (Spain), Plant de la Salle and Prié Blanc. The exact origin lies in the Italian aosta Valley, where it was first mentioned in 1691. There used to be two varieties, one in the area of Valdigne (upper part of the Valle d'Aosta) and one in the meantime disappeared in the municipality of Valpelline. At the beginning of the 19th century, it probably reached the Swiss canton (as did some other varieties) via St. Bernard Wallis which is why she is called Bernard there. This pass is the connection of the Valais Rhône Valley with the Aosta Valley at an altitude of 2,469 meters.
By two in 2010 DNA analysis There were amazing findings. The in the Spanish province Ávila ( Castile and Leon locally occurring variety Legiruela is identical. And a Parent-offspring relationship there are to the Spanish varieties Albillo Real. Lairén and Santa Magdalene, as well as the Italian variety Luglienga Bianca (with synonym Prié Blanc). Through 2005 investigations were a parent-offspring relationship with the two Swiss varieties Mayolet and Primetta (Prié Rouge). About the variety Mayolet there are also relationships to the varieties Cornalin. Neret di Saint-Vincent and Roussin, According to the Swiss biologist dr. José Vouillamoz At the top of the pedigree of all these varieties could be the two varieties Luglienga Bianca and Prié. The variety becomes a grape variety group in Switzerland Old plants counted.
The very early ripening vine is resistant to frost but prone to bunch rot, It produces an acidic, tingling white wine. The variety is particularly suitable for high altitudes. It is located in the Aosta Valley at 900 to 1,200 meters above sea level ungrafted grown on low pergolas. Here it is sorted in the Blanc de Morgex et de la Salle contain. In 2010, 33 hectares of vineyards were identified in Italy, of which 29 in the Aosta Valley and 4 amazingly in Apulia (Statistics Kym Anderson ). In Switzerland, it is cultivated in the canton of Valais under the name Bernarda or Bernarde on only less than one hectare.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)