Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 2473 http://agebb.missouri.edu/weather/reports/gddTable.asp

Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf

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2 Responses to Grape phenology and GDD accumulation

  1. David Fox says:

    Thank you Marilyn for the timely updates of crop conditions. Our Chambourcin is at 17 degrees Brix five miles south of Hartsburg in Boone County.

  2. Marilyn Odneal says:

    Thanks for letting us know your results and location. I will sample Chambourcin on Friday and post.