It still looks like rain today! Rain is very depressing for growers looking at grape harvest. We have some bunch rot in Seyval Blanc, Vignoles and Cayuga White. GDD base 50 accumulated since April 1 = 2161 http://agebb.missouri.edu/weather/reports/gddTable.asp Phenology stages according to the Modified E-L system … [Read more...] about Grape phenology and GDD accumulation