What's happening in the field?

At the Missouri State Fruit Experiment Station

Grape Phenology and GDD accumulation

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Grape Phenology and GDD accumulation

GDD base 50 = 126 . 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

Concord Demo E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
CH x CS Genomics E-L Stage 11-12. 11 4 leaves separated.
12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
Chardonel Foundation E-L Stage 11 4 leaves separated.
Chambourcin New Winery E-L Stage 12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
Chambourcin Foundation E-L Stage 11-12. 11 4 leaves separated. 12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
Cayuga White Foundation E-L Stage 11 4 leaves separated.
Catawba Winery E-L Stage 12-13. 12 5 leaves separated; shoots about 10 cm long; inflorescence clear. 13 6 leaves separated.
Seyval Blanc Research E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
Sunbelt MVEC E-L Stage 12-13. 12 5 leaves separated; shoots about 10 cm long; inflorescence clear. 13 6 leaves separated.
Traminette Foundation E-L Stage 9 2 to 3 leaves separated; shoots 2-4 cm long.
Vidal Blanc Foundation E-L Stage 9 2 to 3 leaves separated; shoots 2-4 cm long.
Catawba MVEC E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
Catawba Research E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
Vignoles Foundation E-L Stage 7 First leaf separated from shoot tip.
Orion Foundation E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
Norton Research E-L Stage 11-12. 11 4 leaves separated.
12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
Norton New Winery E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
Norton Genomics E-L Stage 11 4 leaves separated.
Norton Foundation E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
NC-65 Genomics E-L Stage 11-12. 11 4 leaves separated.
12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
Norton North E-L Stage 11-12. 11 4 leaves separated
12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
Foundation Vivant E-L Stage 12 5 leaves separated; shoots about 10 cm long;
inflorescence clear.
Jaeger 70 Genomics E-L Stage 4-7. 4 Budburst; leaf tips visible. 7 First leaf separated from shoot tip.
J x V Genomics E-L Stage 11 4 leaves separated.
Mars Demo E-L Stage 11-12. 11 4 leaves separated
12 5 leaves separated; shoots about 10 cm long; inflorescence clear.
NC-6 Foundation E-L Stage 3 Wooly bud ± green showing.
NC 6 Genomics E-L Stage 4 Budburst; leaf tips visible.

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