Synonyms: Blaue Zweigeltrebe, Blauer Zweigelt, Cvaigelt, Cveigelt, Klosterneuburg 71, Rotburger, Semenac Cerni 71, Zweigelt 71, Zweigeltrebe, Zweigelt, Zwiegelt, Zweigeltrebe blau

Parent couples: Limberger x Saint Laurent

Purpose of the grade: technical

Maturation period: average

Berry color: blue-black

Berry shape: medium-sized, round berry

Berry weight: 180-200 gr.

The presence of seeds: seeds in a berry 2-3 pcs.

Flower type: bisexual

Cluster shape: the clusters are medium-sized, almost cylindrical, sometimes lobed

Cluster structure: very dense

Average weight of a bunch: 170 gr

Pulp type: juicy pulp

Berry skin: covered with a thick waxy coating

Berry flavor: varietal flavor, slightly pink juice

Crop transportability: low 

Mildew resistance: average

Resistance to oidium: medium

Resistance to gray rot: medium

Winter hardiness T °C: -19-22

Direction of use: red wines of good quality with some aging ability are made from this variety.

The mechanical composition of the bunch: juice 73.2%, comb 3.2%, skin and dense pulp 19.8%, seeds 3.8 %