GDD base 50 = 171. 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 = 97. 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 = 29. 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 … [Read more...] about Grape Phenology and GDD accumulation
We have started pruning Norton Grapes since they are one of the most cold hardy varities we grow. We collect the weight of new growth on a test vine in the vineyard and that helps us to determine how many buds to leave when pruning. The standard for Norton when spur pruning is 50 buds for the first pound of pruning weight off the test vine and then 10 buds for every additional … [Read more...] about Pruning Norton Grapes