Sibera (GM 6495-3)
Sibera (GM 6495-3) is an early ripening white wine grape from Germany. It has a medium growing season with high yield potential. Bred at Geisenheim this Vitis vinifera selection is a cross of Saperavi Severnyi x (Foster's White Seedling x Prachttraube) and the selected clone for data analysis was Sibera (GM 6495-3) IC86.8512. The prime name of this variety is Sibera. In Germany this variety is higher yielding than Riesling and has some disease resistance.
Bud Burst Days (July 1=0): Very Early 63.00
Flowering Days (July 1=0): Late 112.00
Veraison Rating: Medium 181.00
Harvest 22 Brix Days (July 1=0): Early 221.00
Seasonality (days): Medium 160.00
Leaf Area Index (m2/m2): 2.19
Bunches Per Shoot: 1.70
Yield Potential: High
Berry Weight (g): 1.87
Total Soluble Solids (° Brix): 20.30
Titratable Acidity (g/L): Very High 6.06
Tartaric Acid (g/L): 4.55
Malic Acid (g/L): 4.75
Tartrate Malate Acid Ratio: Very Low 0.96
Anthocyanins (mg/g): Unknown .
Phenolics (au): .
Yeast Assimilable Nitrogen (mg/)L: 246
Potassium (mg/)L: 809.00