What's happening in the field?

At the Missouri State Fruit Experiment Station

Grape Phenology and GDD accumulation

by

GDD base 50 = 1084. 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

 

New Winery Chambourcin E-L Stage 32 Beginning of bunch closure, berries touching (if bunches are tight).
Research Seyval Blanc E-L Stage 33 Berries still hard and green.
Foundation Orion E-L Stage 32 32 Beginning of bunch closure, berries touching (if bunches are tight).
Norton North E-L Stage 33 Berries still hard and green.
Winery Chardonel E-L Stage 33 Berries still hard and green.
Winery Catawba E-L Stage 33 Berries still hard and green.
MVEC Sunbelt E-L Stage 33 Berries still hard and green.
Demo Mars E-L Stage 33 Berries still hard and green.
Genomics Norton E-L Stage 32 Beginning of bunch closure, berries touching (if bunches are tight).
Genomics NC-6 E-L Stage 31 Berries pea-size (7 mm diam.).
Genomics J x V E-L Stage 33 Berries still hard and green.
Genomics CH x CS E-L Stage 32 Beginning of bunch closure, berries touching (if bunches are tight).
Foundation Vignoles E-L Stage 33 Berries still hard and green.
Foundation Vidal Blanc E-L Stage 33 Berries still hard and green.
Foundation Traminette E-L Stage 33 Berries still hard and green.
Foundation Norton E-L Stage 33 Berries still hard and green.
Foundation Chardonel E-L Stage 32Beginning of bunch closure, berries touching (if bunches are tight).
Foundation Chambourcin E-L Stage 33 Berries still hard and green.
Foundation Cayuga White 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.