Grape Phenology and GDD accumulation - What's happening in the field?

What's happening in the field?

At the Missouri State Fruit Experiment Station

Grape Phenology and GDD accumulation

by

GDD base 50 = 3113 . 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.pd

 

Demo Concord E-L Stage 38 Berries harvest-ripe
Demo Mars E-L Stage 38 Berries Harvest -Ripe
Foundation Norton E-L Stage 36 Berries with intermediate sugar values
Genomics Norton L Stage 36 Berries with intermediate sugar values
MVEC Sunbelt E-L Stage 41 After harvest
North Norton L Stage 36 Berries with intermediate sugar values
Research Norton L Stage 36 Berries with intermediate sugar values