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 = 3639
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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Red maple gallery

We planted a row of red maple – Acer rubrum – cultivars in fall of 1999. I took photos of each tree on October 20, 2015 to catch the fall color. Of course, some were at peak, some a bit past and some a bit before, but you can get the idea of the range of colors from the photos. Armstrong may be stressed, so it may not be a good representation.

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Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 3548
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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Korea National College of Agriculture and Fisheries visits Missouri State

Dr. Kim Jong-Sook and 21 students and growers from the Korea National College of Agriculture and Fisheries visited the State Fruit Experiment Station for a lecture on Missouri Grapes followed by a tour of the MSU Winery and Distillery. Mr. Harold Chung of C&T tours served as guide and interpreter. Tomorrow is the last day of their week-long tour of Missouri.

Harold Chung (standing) interprets the lecture about our station and grape growing in Missouri. Professor Kim Jong-Sook is leftmost on the front table.
Harold Chung (standing) interprets the lecture about our experiment station’s research, teaching and outreach mission and grape growing in Missouri. Professor Kim Jong-Sook is the leftmost person on the front table.

 

Dr. Hwang's graduate students, Surya Sapkota and Logan Duncan, introduced themselves and the grape breeding research projects they are involved in.
Dr. Hwang’s graduate students, Surya Sapkota and Logan Duncan, introduced themselves and the grape breeding research projects they are involved in.

 

A Catawba grapevine was displayed.
A Catawba grapevine was displayed.

 

After the lecture, the group went to the distillery where C. J. Odneal led the tour.
After the lecture, the group went to the distillery where C. J. Odneal (front left) led the tour.

 

From the distillery, we went to the crush pad where grapes are destmmed, crushed and pumped into fermentation tanks (red grapes) or directly into the press (white grapes).
From the distillery, we went to the crush pad where grapes are destmmed, crushed and pumped into fermentation tanks (red grapes) or directly into the press (white grapes).

 

The group then went into the winery where MSU wines are produced and bottled.
The group then went into the winery where MSU wines are produced and bottled.

 

Leslie Akers and Pam Turner sold wine and spirits to the group. They thought the MSU label on the wine would be a great souvenir for their visit to Missouri.
Leslie Akers and Pam Turner sold wine and spirits to the group. Harold mentioned that they thought wine and spirits with the MSU label would be a great souvenir of their visit to Missouri.

 

Thanks to Jeremy and Randy for setting up the grapevine. It was nice to have a vine to refer to during the lecture.
Thanks to Jeremy and Randy for setting up the display grapevine. It helped to have a vine to refer to during the lecture to aid in translation.

 

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Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 3495
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 analysis

Here are the juice analysis results from the berry samples collected this morning.

12-Oct-15
Cultivar ˚Brix pH TA
Norton F 23.1 3.41 0.840
Norton NN 21.5 3.38 0.957
Norton NS 23.9 3.41 0.837
Norton R 22.6 3.53 0.923

 

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Grape juice analysis

Here are the juice analysis results from the berry sample collected yesterday morning.

9-Oct-15
Cultivar ˚Brix pH TA
Norton F 22.7 3.37 0.859
Norton NN 20.9 3.34 1.012
Norton NS 22.9 3.38 0.852
Norton R 20.9 3.48 0.942

 

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Grape juice analysis

The juice analysis results for the berry samples collected this morning are as follows:

5-Oct-15
Cultivar ˚Brix pH TA
Norton F 22.1 3.36 0.930
Norton NN 21.0 3.32 1.069
Norton NS 23.4 3.38 0.848
Norton R 21.7 3.44 1.005

 

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Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 3417
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 | Comments Off on Grape phenology and GDD accumulation