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What's happening in the field?

At the Missouri State Fruit Experiment Station

Grape phenology and GDD accumulation

August 29, 2016 by Marilyn Odneal

GDD base 50 accumulation count beginning April 1 = 2832  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

N Norton E-L Stage 36 Berries with intermediate sugar levels.
N Norton E-L Stage 36 Berries with intermediate sugar levels.
G Norton E-L Stage 36 Berries with intermediate sugar levels.
G Norton E-L Stage 36 Berries with intermediate sugar levels.
G Cabernet Sauvignon E-L Stage 36 Berries with intermediate sugar levels.
G Cabernet Sauvignon E-L Stage 36 Berries with intermediate sugar levels.
MVEC Delaware E-L Stage 38 Berries harvest ripe.
MVEC Delaware E-L Stage 38 Berries harvest ripe.
MVEC Valvin Muscat E-L Stage 38 Berries harvest ripe.
MVEC Valvin Muscat E-L Stage 38 Berries harvest ripe.
MVEC Sunbelt E-L Stage 38 Berries harvest ripe.
MVEC Sunbelt E-L Stage 38 Berries harvest ripe.
MVEC Chambourcin E-L Stage 37 Berries not quite ripe.
MVEC Chambourcin E-L Stage 37 Berries not quite ripe.
W Catawba E-L Stage 35 Berries begin to colour and enlarge.
W Catawba E-L Stage 35 Berries begin to colour and enlarge.
NWV Arandel E-L Stage 39 Berries overripe.
NWV Arandel E-L Stage 39 Berries overripe.
NWV Aromella E-L Stage 39 Berries overripe.
NWV Aromella E-L Stage 39 Berries overripe.
R Seyval Blanc E-L Stage 40 After harvest, canes maturing.
R Seyval Blanc E-L Stage 40 After harvest, canes maturing.
R Catawba E-L Stage 35 - 36 Berries begin to colour and enlarge to Berries with intermediate sugar levels.
R Catawba E-L Stage 35 – 36 Berries begin to colour and enlarge to Berries with intermediate sugar levels.
F Vignoles E-L Stage 40 After harvest, canes maturing.
F Vignoles E-L Stage 40 After harvest, canes maturing.
F Chardonel E-L Stage 40 After harvest, canes maturing.
F Chardonel E-L Stage 40 After harvest, canes maturing.
F Traminette E-L Stage 38 Berries harvest ripe.
F Traminette E-L Stage 38 Berries harvest ripe.
F Cayuga White E-L Stage 40 After harvest, canes maturing.
F Cayuga White E-L Stage 40 After harvest, canes maturing.
D Concord E-L Stage 37 Berries not quite ripe.
D Concord E-L Stage 37 Berries not quite ripe.
D Vivant E-L Stage 40 After harvest, canes maturing.
D Vivant E-L Stage 40 After harvest, canes maturing.
D Vidal Blanc E-L Stage 38 Berries harvest ripe.
D Vidal Blanc E-L Stage 38 Berries harvest ripe.
D Mars E-L Stage 40 After harvest, canes maturing.
D Mars E-L Stage 40 After harvest, canes maturing.

Filed Under: Grapes, Phenology

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