The white grape comes from France, Synonyms are Austenq, Baratszoeloe, Béquin, Blanquette, Dourec, Dourech, Guindolenc, Hamuszoeloe, Irvine's White, Oeil de Tour, Ondain, Ondainc, Ondenc Blanc, Ondent, Ondin, Oundenc, Oundenq, Oustenc, Oustenq, Oustenque, Piquepout de Moissac Plant de Gaillac and Trousseau Gris. It may, despite seemingly suggestive synonyms or morphological Similarities do not match the varieties Bourboulenc (Ondenc) Mauzac Blanc (Bequin) Piquepoul Blanc or Trousseau Gris (mutation of Trousseau Noir ) be confused. About the parentage and possible relationships to the red varieties arrouya noir (Dourec Noir) or Canari Noir (Ondenc Noir) is not known. According to done in 2009 DNA analysis there may be one Parent-offspring relationship with the variety Roussette d'Ayze, A color mutation with reddish-gray berries is Ondenc Gris .
The early-ripening, high-yielding vine is prone to Botrytis. bunch rot. coulure and both mildews, It produces neutral white wines, which also for the distillation be used. It is admitted in the appellations Bergerac. Bordeaux. Côtes de Duras and Gaillac, The first mention of the old variety took place in 1783, where the quality of the grapes was praised. She was in earlier Southwest France widespread and occupied the end of the 1950s still about 1,600 hectares of vineyards. The stock has shrunk considerably since then; In 2010, only eight hectares of vineyards were reported in France. In the 19th century, she succeeded Australia where she was born in 1976 by the French Ampelographen Paul Truel (* 1924) under the names Irvine's White and Sercial was discovered. However, no stocks were reported here in 2010 (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)