Grape Phenology and GDD Accumulation While we do not typically start phenology and or officially start tracking Growing Degree Days in our area until April 1st, we have had unually warm weather and our grapes have starting breaking dormancy. As a result, we started tracking phenology a little earlier this year. GDD base 50 = N/A . We track GDD at … [Read more...] about Grape Phenology and GDD accumulation
GDD base 50 = 3596 . We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L System https://door.extension.wisc.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf … [Read more...] about Grape Phenology and GDD accumulation
GDD base 50 = 3359 . We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L System https://door.extension.wisc.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf … [Read more...] about Grape Phenology and GDD accumulation
GDD base 50 = 3181 . We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L System https://door.extension.wisc.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf Photos to follow… … [Read more...] about Grape Phenology and GDD accumulation
GDD base 50 = 3009 . We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L System https://door.extension.wisc.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf Photos to follow... … [Read more...] about Grape Phenology and GDD accumulation


