SV39-639 is an early ripening white wine grape from France. It has a medium growing season with medium yield potential. An interspecific cross, the selected clone for data analysis was SV39-639 FVK7V16, IC73.8215. The prime name of this variety is Seyve Villard 39-639.
Bud Burst Days (July 1=0): Medium 77.00
Flowering Days (July 1=0): Late 116.00
Veraison Rating: Medium 181.00
Harvest 22 Brix Days (July 1=0): Early 236.00
Seasonality (days): Medium 166.00
Leaf Area Index (m2/m2): 1.82
Bunches Per Shoot: 1.60
Yield Potential: Medium
Berry Weight (g): 0.88
Total Soluble Solids (° Brix): 24.90
Titratable Acidity (g/L): Medium 4.11
Tartaric Acid (g/L): 6.20
Malic Acid (g/L): 3.10
Tartrate Malate Acid Ratio: High 2.00
Anthocyanins (mg/g): Unknown .
Phenolics (au): .
Yeast Assimilable Nitrogen (mg/)L: 220
Potassium (mg/)L: 1,630.00