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 =1822  . 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

Winery Chardonel E-L Stage 34 Berries begin to soften;
Sugar starts increasing
Winery Catawba E-L Stage 33 Berries still hard and green.
Research Seyval Blanc E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Norton North E-L Stage 33 Berries still hard and green.
MVEC Sunbelt E-L Stage 34 34 Berries begin to soften;
Sugar starts increasing.
New Winery Chambourcin E-L Stage 34 34 Berries begin to soften;
Sugar starts increasing.
MVEC Catawba E-L Stage 34 34 Berries begin to soften;
Sugar starts increasing.
Genomics Norton E-L Stage 33 Berries still hard and green.
Genomics JxV E-L Stage 35 Berries begin to colour and enlarge.
Genomics NC-6 33 33 Berries still hard and green.
Genomics CH x CS E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Foundation Vivant E-L Stage 35 Berries begin to colour and enlarge.
Foundation Vidal Blanc E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Foundation Vignoles E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Foundation Traminette E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Foundation Orion E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Foundation Chardonel E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Foundation Norton E-L Stage 33 Berries still hard and green.
Foundation Chambourcin E-L Stage 35 Berries begin to colour and enlarge.
Foundation Cayuga White E-L Stage 34 Berries begin to soften;
Sugar starts increasing.
Demo Mars E-L Stage 35 Berries begin to colour and enlarge.
Demo Concord E-L Stage 34 Berries begin to soften;
Sugar starts increasing.