Grape phenology and GDD accumulation

April 21, 2014 by Marilyn Odneal

GDD base 50 accumulated since April 1 = 112
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 3

MVEC Delaware E-L Stage 3-4

MVEC Valvin Muscat E-L Stage 4

MVEC Sunbelt E-L Stage 3

MVEC Chambourcin E-L Stage 3

W Catawba E-L Stage 3

R Cayuga White E-L Stage 3-4

R Vidal Blanc E-L Stage 2-3

R Seyval Blanc E-L Stage 3-4

R Catawba E-L Stage 3-4

F Vignoles E-L Stage 2

F Chardonel E-L Stage 3

F Traminette E-L Stage 2-3

D Concord E-L Stage 4

D Vivant E-L Stage 2-4

Discover more from What's happening in the field?

Subscribe to get the latest posts sent to your email.