Missouri State University
What's happening in the field?
At the Missouri State Fruit Experiment Station

Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 2964
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

 

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Grape juice chemistry

The juice analysis of the berry samples collected this morning is as follows:

5-Sep-14
Cultivar ˚Brix pH TA g/100ml
Catawba R 19.1 3.19 0.987
Catawba W 17.4 3.13 1.219
Chambourcin F 21.1 3.13 0.893
Chambourcin M 21.2 3.23 0.846
Norton F 21.6 3.17 1.080
Norton NN 20.5 3.18 1.433
Norton NS 20.3 3.15 1.448
Norton R 21.0 3.20 1.403

 

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Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 2831
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

 

Posted in Grapes, Phenology | Leave a comment

Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 2605
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

 

Posted in Grapes, Phenology | Leave a comment