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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)

Vineyard area

238 ha, 0.5%

A picture shows grapes of the grape variety Roesler
© AWMB / Oberleitner

Parentage: New breed by Dr.Gertrude Mayer, LFZ Klosterneuburg.

Vineyard area: This variety has been registered as a quality grape variety since 2000, and is one of the PIWI varieties.

Important ampelographic features:
Leaf: large; five to seven lobes with a heavily blistered surface
Grape cluster: with loose, large grapes; conical; shouldered; and 1-2 wings with small, round blueish-black berries

Ripening time: mid-early season

Significance, conditions: Because of its strong colour, the Roessler variety is used as a blending partner. It is a partially resistant to oidium and peronospora and completely resistant to winter frost.

Wine: Brings red wine with a characteristic forest berry aroma. The colourful grapes yield extremely dark wines - rich in extract, body and tannins.


New Varieties