GDD base 50 accumulated since April 1 = +2957 (+584 departure from normal) at Mountain Grove http://agebb.missouri.edu/weather/reports/gddTable.asp
March 2012 GDD base 50: 306+2957 = 3263
Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf
Uneven ripening on Concord, Catawba and Sunbelt in particular is a problem from the recent hot temperatures. This week is cooler and we hope the berries will ripen more evenly.