- Vine variety information
Sirius (originally known as Gf. Ga-51-27)
Father: Villard Blanc (Seyve Villard 12-375)
A white Piwi/disease-resistant variety.
Year of breeding:
Country of origin: Germany
Breeder/License holder: Bundesforschungsanstalt für Rebenzüchtung Geilweilerhof,
Number of clones: 0
Year of entry into the German Federal Office's Varieties Register: 1995
Area planted in Germany in : hectares
Area planted in England: unknown
Wine Character - colour: yellow-green
- bouquet: a pleasant fruity aroma
- palate: strong wine, fruity, neutral
Time of bud-burst:
Strength of growth: strong
Growth of side-shoots: very low
Flowering strength: very high
Leaf: - size:
- surface undulation:
- petiolar sinus:
The leaves are sufficiently resistant to phylloxera.
Grape bunch: - size: large, 'shouldered' - density: loose
Berries: - size: large
- skin colour:
Time of veraison: middle to middle-early
Time of harvest:
Grape yield: very high, reliable
Wood ripening: good
Winter hardiness: very good
Susceptibility to - Oidium: average
- Peronospora: very low
- Botrytis: low
- Roter Brenner:
Suitable rootstocks: SO4 or 5BB
Normal stem height:
Normal row spacing: 1.8 to 2.0m
Vine spacing in the row:
eyes/buds per sq. metre of land occupied by the plant.
Advantages: Very high yield.
Disadvantages: A good site is necessary.