What's happening in the field?

At the Missouri State Fruit Experiment Station

Grape Phenology and GDD accumulation

by

GDD base 50 = 1260. We track GDD at http://agebb.missouri.edu/weather/reports/gddTable.asp and rate the phenology stages according to the Modified E-L at stages according to the Modified E-L System https://door.extension.wisc.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf

 

N Norton E-L Stage 33 Berries still hard and green
Demo Mars E-L Stage 33 Berries still hard and green
Demo Concord E-L Stage 33 Berries still hard and green
Foundation Vivant E-L Stage 33 Berries still hard and green
F Norton E-L Stage 33 Berries still hard and green
F Vignoles E-L Stage 33 Berries still hard and green
F Chambourcin E-L Stage 33 Berries still hard and green
F Chardonel E-L Stage 33 Berries still hard and green
F Vidal Blanc E-L Stage 33-34 Berries still hard and green to Berries begin to soften; sugar strts increasing
F Traminette E-L Stage 33 Berries still hard and green
F Cayuga White E-L Stage 33 Berries still hard and green
R Norton E-L Stage 33 Berries still hard and green
R Catawba E-L Stage 33 Berries still hard and green
R Seyval Blanc E-L Stage 33 33 Berries still hard and green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W Chardonel E-L Stage 33 Berries still hard and green
W Catawba E-L Stage 33 Berries still hard and green
Genomics NC-6 E-L Stage 31 Berries pea size
Genomics Norton E-L Stage 33 Berries still hard and green
MVEC Sunblet E-L Stage 33 Berries still hard and green
MVEC Chambourcin E-L Stage 33 Berries still hard and green