Hibernal (GM 322-58)
Hibernal (GM 322-58) is an early ripening white wine grape from Germany. It has a short growing season with high yield potential. Bred at Geisenheim this Vitis vinifera selection from a cross of (Seibel 7053 x Riesling) x (Seibel 7053 x Riesling) and the selected clone for data analysis was Hibernal (GM 322-58) IC86.8506. The prime name of this variety is Hibernal. In Germany this selection is higher yielding than Riesling and the wines produced are similar to Scheurebe; wine flavours are herbal, citrus grapefruit, lemon or honeysuckle. This selection displays some resistance to downy mildew.
Bud Burst Days (July 1=0): Medium 77.00
Flowering Days (July 1=0): Late 119.00
Veraison Rating: Medium 187.00
Harvest 22 Brix Days (July 1=0): Early 220.00
Seasonality (days): Short 144.00
Leaf Area Index (m2/m2): 2.25
Bunches Per Shoot: 1.90
Yield Potential: High
Berry Weight (g): 1.52
Total Soluble Solids (° Brix): 22.80
Titratable Acidity (g/L): Medium 4.64
Tartaric Acid (g/L): 5.50
Malic Acid (g/L): 3.60
Tartrate Malate Acid Ratio: Medium 1.53
Anthocyanins (mg/g): Unknown .
Phenolics (au): .
Yeast Assimilable Nitrogen (mg/)L: 257
Potassium (mg/)L: 1,730.00