Roesler has a high resistance against fungal diseases and is favoured in organic viticulture. A new crossing conducted in Klosterneuburg.
Parentage
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
Vineyard area
This variety has been an approved Qualitätswein variety in Austria since 2000 and is one of the fungus-resistant varieties.
Important ampelographic features
Leaf
large, five to seven lobes, with a heavily vesicular surface
Grape cluster
large, loose berry density, cone-shaped, shouldered, with one to two secondary clusters; berries are small, round and bluish black in colour
Ripening
Ripening
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)
Click on the wine origin in the list for a breakdown into more specific regions of origin.
Total area in Austria:
The Leithaberg and Neusiedlersee wine-growing regions overlap by almost 160 ha (Rieds Hausberg and Neuberg), according to the Austrian Wine Law. This means that the listed area under vine in Burgenland is 160 ha less than the actual total area across all wine-growing regions in Burgenland.
Characteristics of the wine
Yields red wine with pronounced wild berry aromas. The colourful berries create extremely dark wines that are rich in extract, body and tannins.
Link
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: Calculation by Austrian Wine based on data from BML/IACS (as at 28 June 2023). Moving annual total (MAT) from June 2022 to June 2023.