Waltham is a late ripening white multipurpose grape from Lebanon. It has a long growing season with medium yield potential. Vitis vinifera, the selected clone for data analysis was Waltham FVE11V5, IV69.2214. Small quantities grown for commercial wine production in Australia. The prime name of this variety is Afus Ali.
Bud Burst Days (July 1=0): Late 85.00
Flowering Days (July 1=0): Very Late 127.00
Veraison Rating: Very Late 205.00
Harvest 22 Brix Days (July 1=0): Late 265.00
Seasonality (days): Long 192.00
Leaf Area Index (m2/m2): 3.31
Bunches Per Shoot: 0.50
Yield Potential: Medium
Berry Weight (g): 4.79
Total Soluble Solids (° Brix): 20.80
Titratable Acidity (g/L): Very Low 2.07
Tartaric Acid (g/L): 4.55
Malic Acid (g/L): 3.50
Tartrate Malate Acid Ratio: Low 1.30
Anthocyanins (mg/g): Unknown .
Phenolics (au): .
Yeast Assimilable Nitrogen (mg/)L: 194
Potassium (mg/)L: 2,130.00