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At the Missouri State Fruit Experiment Station

Grape phenology and GDD accumulation

June 20, 2011 by Marilyn Odneal

GDD base 50 accumulated since April 1 = 1146 (+188 departure from normal) at Mountain Grove
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 Traminette E-L Stage 31-32
N Traminette E-L Stage 31-32
N Vignoles E-L Stage 31-32
N Vignoles E-L Stage 31-32
N Concord E-L Stage 33
N Concord E-L Stage 33
N Sunbelt E-L Stage 33
N Sunbelt E-L Stage 33
N Norton E-L Stage 30
N Norton E-L Stage 30
MVEC Chambourcin E-L Stage 32
MVEC Chambourcin E-L Stage 32
W Catawba E-L Stage 32-33
W Catawba E-L Stage 32-33
R Cayuga White E-L Stage 33
R Cayuga White E-L Stage 33
R Vidal Blanc E-L Stage 31
R Vidal Blanc E-L Stage 31
R Seyval Blanc E-L Stage 31-32
R Seyval Blanc E-L Stage 31-32
R Catawba E-L Stage 33
R Catawba E-L Stage 33
L Chardonel E-L Stage 31-32
L Chardonel E-L Stage 31-32

Filed Under: Phenology

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