Chambourcin is a purple grape variety that is undergoing veraision now. Some cllusters are green, some are purple, and some are in between. Veraison is easier to see on a purple or red grape variety than it is on a white (green) grape variety. Veraison signals the beginning of berry ripening. … [Read more...] about Chambourcin at veraison
Archives for July 26, 2010
Grape berry samples were taken today. The The sugar, pH and acid levels are as follows: Cultivar °Brix pH TA Cayuga White GR 16.1 3.07 0.975 Cayuga White F 13.8 2.95 1.105 Seyval blanc GR 18.9 3.14 1.028 … [Read more...] about Grape juice chemistry