Roesler has a high resistance against fungal diseases and is favoured in organic viticulture. A new crossing conducted in Klosterneuburg.
Austria, LFZ Klosterneuburg
New breed from Blauer Zweigelt x Klosterneuburg 1189-9-77 (= Seyve Villard 18-402 x Blaufränkisch)
273.76 ha; 0.6%
Natural seedling from new crossing between Blauer Zweigelt and Klosterneuburg 1189-9-77 (= Seyve Villard 18-402 x Blaufränkisch) by Dr Gertrude Mayer at the LFZ in Klosterneuburg
This variety has been an approved Qualitätswein variety in Austria since 2000 and is one of the fungus-resistant varieties.
Significance & conditions
Due to its strong colour, Roesler is also used in cuvée blends.
It benefits from a good partial resistance to oidium and Peronospora, and can tolerate winter frosts very well.
Area under vine in Austria
(as a proportion of the variety’s total area)
Source varietal specifications: Höhere Bundeslehranstalt und Bundesamt für Wein- und Obstbau (Federal College and Federal Office for Viticulture, Oenology and Fruit Growing) in Klosterneuburg, “Austria’s Qualitätswein grape varieties and their clones“ („Österreichische Qualitätsweinrebsorten und deren Klone“), 2nd, reviewed edition, September 2015
Source area under vine: Austrian Federal Ministry of Agriculture, Regions and Tourism according to IACS (as at 31 May 2022)