The white grape variety (also Pully 1-33) is a new breed between Chasselas x Chardonnay, The cross was made in Switzerland in 1965 by Jean-Louis Simon and André Jaquinet at the Swiss Federal Research Institute Changins near Nyon (Canton of Vaud). By the way, the same parent is also the variety Doral emerged. The early ripening vine is susceptible to Botrytis and tends to millerandage, It produces fresh, full-bodied white wines very similar to Chardonnay. The variety is mainly grown in the two cantons of Geneva and Valais. In 2010, the Switzerland recorded a total of 10 hectares of vineyards.