Grape Phenology and GDD accumulation GDD base 50 = 126 . 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
Archives for April 2025
GDD base 50 = 65 . 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 = 17 . 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
It is April 1, so we set our GDD base 50 count to 0. 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. All grapes are a EL-1 Winter bud to EL-2 Bud scales opening. … [Read more...] about Grape Phenology and GDD accumulation