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 = 89
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

Most grapes were at the wooly bud stage. The cultivars furthest along included Delaware, Valvin Muscat and Concord since they were showing some green/pink. You could see some points of leaves on Delaware, but not to the point of bud burst.

Tonight the predicted low is 26 degrees F. At full swell a temperature of 26 F is may result in 50% kill. Thankfully, most are not at full swell, so we will keep our fingers crossed. Estimate is from Michigan State “How Cold Can Grapes Go?” http://grapes.msu.edu/weather_climate/how_cold_can_grapes_go 

 

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Harvesting and planting in the high tunnel this morning

Today we harvested some of the Salanova lettuce for the first time. We also planted potatoes in between the rows of lettuce and cole crops we planted in February. The following potato sets were planted 1 foot apart and about 3-4 inches deep: Red Noland, Red Pontiac, German Butterball and Red Gold.

We harvested every other plant of the lettuce. Here is Salanova Red Butter
We harvested every other plant of the lettuce. Here is Salanova Red Butter.
We counted and weighed the small heads from each variety
We counted and weighed the small heads from each variety. Here is Salanova Green Butter.
After harvest, we put about 4 heads in each bread sack to distribute.
After harvest, we put about 4 heads in each bread sack to distribute. Here is Salanova Red Oak Leaf.
You can harvest these as heads (like we did) or as leaf lettuce. Here is Salanova Green Oak Leaf.
You can harvest these as heads (like we did) or as leaf lettuce. Here is Salanova Green Oak Leaf.
Then we planted potatoes in between the remaining lettuce.
Then we planted potatoes in between the remaining lettuce.
The pruning crew ran for shelter in the high tunnel and thinned the primocane bearing raspberry rows until it cleared up
The pruning crew ran for shelter from the morning rain and thinned the primocane bearing raspberry rows until it cleared up.

 

 

 

 

 

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Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 32
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

Delaware seemed to be the farthest along with some wooly buds – so I had better get those pruned asap. Others mostly with bud scales opening.

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Primary bud mortality of Valvin Muscat

We planted Valvin Muscat grapes on a C3309 rootstock in 2011 and they bore a small, partial crop in 2013. This year will be their fourth growing season. Primary bud mortality of 44% was determined today using a 100 bud sample taken from the two rows. We experienced temperature as low as -8 degrees Fahrenheit in January of 2014.

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Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = 0
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

All grape cultivars in E-L stages 1 (winter bud) or 2 (bud scales opening).

 

 

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Primary bud mortality in the Foundation Vineyard

I finished recording primary bud mortality in the Foundation Vineyard. Pruning formulas will be adjusted based on the mortality percentages.

Cultivar % primary bud mortality*
Cayuga White 42%
Chambourcin 27%
Chardonel 30%
Traminette 5%
Vignoles ** 70%

*Primary bud mortality was based on a 100 bud sample of live wood.

**Vignoles had over 50% dead one-year-old wood and the bud sample collected was only 39 buds due to limited availability of live wood in the fruiting zone.

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Onions planted in high tunnel yesterday

The onion plants were planted in the high tunnel yesterday. The cultivar is Alisa Craig. Simpson’s planted their onions outdoors on Monday and they have some Alisa Craig as well - http://www.simpsonsfamilyfarm.com/ By planting one set in the tunnel and one set outdoors at roughly the same time, we will see if the one in the tunnel produces bulbs earlier than the one planted outdoors. Alisa Craig is a 38 to 60th latitude onion, so we are right on the borderline with a latitude of 37.1322 North.

Onion plants in high tunnel.
Onion plants in high tunnel.

 

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East Meets West

In the 2014 East Meets West- Eastern Division ( sort of the old International Eastern Wine Competition ) our Grapeshine won a Silver, Blueberry Infusion a bronze and Apple Liqueur a Silver. This was put on in Sonoma County, CA and is part of Vineyard Management magazine

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Distillation workshop 2014

Our annual distillation workshop was held today. We had a nice group from Missouri, Iowa, North Carolina and Tennessee. Due to the hands on nature of the workshop and the size of our distillery, the workshop is limited to 12 participants.

The still was filled up first thing in the morning. A lecture followed.
The still was filled up first thing in the morning. A lecture followed.
After the lecture, the group participated in the distillation.
After the lecture, the group participated in the distillation.
There were lots of questions as to the operation of the still.
There were lots of questions concerning the operation of the still.
People could see the process up close.
People could see the process up close.
This was a good place to meet other distillers.
This was a good place to meet other distillers.
The workshop continued through lunch into the afternoon.
The workshop continued through lunch into the afternoon.
There were several brandies and eau de vies to sample.
There were several brandies and eau de vies to sample.

 

 

 

 

 

 

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