GDD base 50 accumulated since April 1 = +170 (+92 departure from normal) at Mountain Grove http://agebb.missouri.edu/weather/reports/gddTable.asp
March 2012 GDD base 50: 306+170 = 476
Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf
- N Traminette E-L Stage 13-15
- N Concord E-L Stage 15-17
- N Sunbelt E-L Stage 13-15
- N Norton E-L Stage 14-15
- MVEC Chambourcin E-L Stage 13-15
- MVEC Valvin Muscat E-L Stage 12-15
- W Catawba E-L Stage 13-15
- R Vignoles E-L Stage 12-15
- R Cayuga White E-L Stage 13-15
- R Vidal Blanc E-L Stage 12-15
- R Seyval Blanc E-L Stage 15-17
- R Catawba E-L Stage 14-17
- D Chardonel E-L Stage 13-16
- D Vivant E-L Stage 14-16
















