Grape phenology and GDD accumulation

September 10, 2018 by Marilyn Odneal

GDD base 50 accumulation for today = 3262 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 37 Berries not quite ripe.

G Norton E-L Stage 37 Berries not quite ripe.

G Cabernet Sauvignon E-L Stage 37 Berries not quite ripe.

MVEC Delaware E-L Stage 40 Harvested.

MVEC Sunbelt E-L Stage 37 Harvested.

MVEC Chambourcin E-L Stage 37 Berries not quite ripe.

W Catawba E-L Stage 37 Berries not quite ripe.

NWV Chardonel E-L Stage 40 Harvested.

R Seyval Blanc E-L Stage 40 Harvested.

R Vidal Blanc E-L Stage 40 Harvested.

R Catawba E-L Stage 38 Berries harvest ripe.

Vignoles E-L Stage 40 Harvested.

F Chardonel E-L Stage 40 Harvested.

F Traminette E-L Stage 40 Harvested.

F Cayuga White E-L Stage 40 Harvested.

D Concord E-L Stage 40 Harvested.

D Vivant E-L Stage 40 Harvested.

D Mars E-L Stage 40 Harvested.