Sunglo is a late ripening white multipurpose seedless grape from the United States of America. It has a long growing season with high yield potential. Vitis vinifera, the selected clone for data analysis was Sunglo FVJ10V10, IC71.8171. The prime name of this variety is Sunglo. The variety, also known as G4-74 and Fresno 64-74 was bred by the United States Department of Agriculture and released jointly with CSIRO. In Australia it has produced high yields and shown some rain tolerance.
Bud Burst Days (July 1=0): Medium 74.00
Flowering Days (July 1=0): Late 119.00
Veraison Rating: Medium 185.00
Harvest 22 Brix Days (July 1=0): Late 264.00
Seasonality (days): Long 189.00
Leaf Area Index (m2/m2): 3.61
Bunches Per Shoot: 1.30
Yield Potential: High
Berry Weight (g): 2.12
Total Soluble Solids (° Brix): 20.30
Titratable Acidity (g/L): Medium 4.69
Tartaric Acid (g/L): 4.80
Malic Acid (g/L): 1.70
Tartrate Malate Acid Ratio: High 2.82
Anthocyanins (mg/g): Unknown .
Phenolics (au): .
Yeast Assimilable Nitrogen (mg/)L: 163
Potassium (mg/)L: 961.00