April 30th GDD base 50 = 349 . 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 E-L Stage 13 6 Leaves separated E-L Stage 14 7 leaves separated E-L Stage 15, … [Read more...] about Grape Phenology and GDD accumulation
April 23, 2026 GDD base 50 = 271 . 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 E-L Stage 12 5 Leaves separated; shoots about 10 cm long; inflorescence clear E-L Stage 13 … [Read more...] about Grape Phenology and GDD accumulation
GDD base 50 = 130 . 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 E-L Stage 4 Bud Burst Genomics NC-6 E-L Stage 9 2 to 3 leaves separated; shoots 2-4 cm long E-L Stage 11 4 Leaves … [Read more...] about Grape Phenology and GDD accumulation
April 6, 2026 GDD base 50 = 77 . 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 E-L Stage 2 Bud Swell E-L Stage 3 Wooly Bud E-L Stage 4 Bud Burst E-L Stage 7 First leaf separated … [Read more...] about Grape Phenology and GDD accumulation
APRIL 1, 2026 GDD base 50 = 16 . 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 E-L Stage 2 Bud Swell E-L Stage 3 Wooly Bud E-L Stage 4 Bud Burst E-L Stage 7 … [Read more...] about Grape Phenology and GDD accumulation