What's happening in the field?

At the Missouri State Fruit Experiment Station

Grape Phenology and GDD accumulation

by

GDD base 50 = 631  . 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

 

Winery Catawba E-L Stage 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem.
Research Norton E-L Stage 19 About 16 leaves separated; beginning of
flowering (first flower caps loosening).
Research Seyval E-L Stage 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem.
Research Catawba E-L Stage 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem.

Norton North E-L Stage 25 80% caps off.
New Winery Chambourcin E-L Stage 25 80% caps off
MVEC Catawba E-L Stage 29 Berries pepper-corn size (4 mm diam.); bunches tending downwards.
MVEC Sunbelt E-L Stage 29-35. 29 Berries pepper-corn size (4 mm diam.);
bunches tending downwards. 35 Berries begin to colour and enlarge.
Genomics Norton E-L 21 30% caps off.
Genomics NC-65 E-L Stage 25 80% caps off.
Genomics J X V E-L Stage 26-27. 26 Cap-fall complete
27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem.
Genomics NC-6 E-L Stage 18 14 leaves separated; flower caps still in place,
but cap colour fading from green
Genomics J70 E-L Stage 25 80% caps off.
Genomics CH x CS E-L Stage 18 18 14 leaves separated; flower caps still in place,
but cap colour fading from green
Foundation Vignoles E-L Stage 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem.
Foundation Vivant E-L Stage 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem
Foundation Vidal Blanc E-L Stage 21 21 30% caps off.
Foundation Norton E-L Stage 21 30% caps off
Foundation Traminette E-L Stage 25 80% Caps off.
Foundation NC-6 E-L Stage 19 About 16 leaves separated; beginning of
flowering (first flower caps loosening).
Foundation Cayuga White E-L Stage 25 80% caps off
Foundation Chambourcin E-L Stage 27 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem
Foundation Chardonel E-L Stage 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem
Demo Concord E-L Stage 29 Berries pepper-corn size (4 mm diam.);
bunches tending downwards
Demo Mars E-L Stage 27 27 Setting; young berries enlarging (>2 mm
diam.), bunch at right angles to stem