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![Page 1: Winter Hardy Wine Grape Research University of Wisconsin - Madison West Madison Ag Research Station Judith Reith-Rozelle Assistant Superintendent West.](https://reader035.fdocuments.us/reader035/viewer/2022070400/56649e805503460f94b84718/html5/thumbnails/1.jpg)
Winter Hardy Wine Grape Research
University of Wisconsin - Madison
West Madison Ag Research Station Judith Reith-Rozelle
Assistant SuperintendentWest Madison Agricultural Research Station
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Seedless Table Grape Trails and Winter Hardy Wine Grape Research Project
Winter-Hardy Wine Grape Research ProjectWinter Survival – West Madison
2010 Growing Season
2011 Program
Seedless Table Grape Trail2010 Growing Season
Report – Fours Years of GrowingJudith Reith-Rozelle
Assistant SuperintendentWest Madison Agricultural Research
Station
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Spring Bud Break – 2010Wine Grapes
April 6 – Bud swell on 3 varieties - Foch, LaCrosse, and LaCrescent
April 11 – Bud swell on 9 varieties
April 14 -19 - Bud break on 9 of the varieties
May 2 - Bud break - Vignoles
May 3 - Three to four inches of growth on 9 varieties
May 4 - First spray
May 8 – 30.9 F table grape plots/33.8 F wine grape plots
April 20 - FochApril 6 – Foch April 26 - Foch
May 10 - Foch
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Winter Survival 2009 - 2010
Winter Damage – Three VarietiesSevyal Blanc – severe winter injury
Noiret – severe winter injury
VignolesPrimary bud mortality – winter injury
Secondary buds survived
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Winter Survival 2009 – 2010Wine Grapes
No winter damageBriannaLaCresentLaCrosseFochFrontenacLeon MillotMarquette MN1220 – planted 2009
Brianna
LaCrescent
FochNew York 76
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Diseases2010
Foliar Diseases: Downy Mildew –
LaCrescent
LaCrosse
New York 76 – very late in season
Powdery Mildew: LaCrescent
LaCrosse
Fruit Diseases:Sour Rot – Brianna
Brianna
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Insects2010
Insect Problems:Japanese beetle
July – one outbreakLeaf Hoppers
Grape Phylloxera – Leon MillotOctober
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Harvest – 2010Wine Grapes
Brianna
LaCrescentFoch
New York 76VignolesMarquette
LaCrosse Leon Millot Frontenac
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Fruit Production
453 g/lb Rep 1 Rep 2 Rep 3 Rep 4
Cultivar Name
Hrvst Date
Avg lb/vine
Total wght Kg
Total lbs.
Total wght Kg
Total lbs.
Total wght Kg
Total lbs.
Total wght Kg
Total lbs.
Frontenac 9/2 13.80 22.68 49.96 21.89 48.22 31.41 69.19 24.27 53.46
Marquette 8/27 7.38 14.29 31.50 14.06 31.00 13.72 30.25 11.45 25.25
Foch 8/29 9.03 10.55 23.25 22.05 48.60 23.22 51.20 9.71 21.40
LaCrescent 8/24 9.72 18.46 40.66 16.62 36.61 22.13 48.74 13.36 29.43
Leon Millot 8/24 6.51 11.89 26.19 11.38 25.07 13.10 28.85 10.90 24.01
NY76 9/2 9.35 11.00 24.23 19.90 43.83 17.46 38.46 19.56 43.08
LaCrosse 8/30 13.69 24.10 53.12 25.90 57.00 23.90 52.60 25.54 56.30
Brianna 8/27 8.75 19.73 43.46 17.46 38.46 14.57 32.09 11.79 25.97
Vignoles 9/2 *3.36 6.63 14.60 7.26 15.99 8.62 18.99 1.93 4.25
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Brix
Cultivar Date/Brix Date/Brix Date/Brix Date/Brix Date/Brix Date/Brix Harvest
8/9/2010 8/15/2010 8/23/2010 8/24/2010 8/27/2010 8/30/2010 Date
Frontenac 14.6 19 19 20.5 21.5 22 9/2
Marquette 19.8 21.6 21 21.5 22.2 # 8/27
Foch 18.5 20.5 21.5 21.5 21.8 22.5 8/30
La Crescent 16.2 19.4 22.5 22.5 # # 8/24
Leon Millot 18.1 19.2 19.6 20.5 # # 8/24
NY76 10.3 15.1 17 17 18.1 17.5 9/2
La Crosse 12.9 15.5 17.3 21.5 19.5 # 8/30
Brianna 17.7 19.3 20.2 21.5 22 # 8/27
Vignoles 11.3 14.1 20.5 19.3 20.4 20.2 9/2
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2011Canopy Management/Fruit Set
Canopy management will be one focus of 2011 research
Thinning and pruning – produce more open canopy
Possible growth regulator on varieties that have very tight clusters……..still being discussed
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2011 Fruit Analysis
Fruit Analysis:pH, TA, Brix, Total phenolics AnthocyaninsPhenolic profiles
Dr. Rebecca Harbut, Beth Workmaster, Dean Volenburg, and staff at Peninsular and West Madison Research Stations
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Fruit Analysis
Fruit Analysis:Jelly tasting
Marqette/Brianna
Marquette
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Seedless Table Grapes Variety Trails
West Madison Agricultural Research StationMadison, Wisconsin
College of Agriculture & Life SciencesUniversity of Wisconsin Madison
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Seedless Table Grape Trial Design
July 18, 2007
First trail established in June 2007 at West Madison Research Station
Fifteen Grape Cultivars Six Red
Five Blue
Four White
Three plants each cultivar
- Double Trunks
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Grape Vine Development - 2009
Winter InjuryGlenoraHimrodRelianceMarquis
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Spring Bud Break - 2010
April 12 – Bud break - 10 varieties/ 3 - bud swelling/ 2- no growth
April 18 – 30.9 F/ in table grape plot/ 34.8 F/ wine grape plots
May 3 - Three to four inches of growth - 6 varieties
May 4 - First spray
May 8 – 33.9 degrees table grape plots
April 12 - Lakemont April 26 - TrollhaugenApril 12 - Canadice
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2010 Winter Injury/Frost DamageRed Grapes
Cultivar Name Color Winter Injury Frost Injury 5/28
Somerset Seedless Red 0% 0%
Concord Seedless Blue 0% 0%
Trollhaugen Blue 0% 0%
Interlaken White 0% 66%
Lakemont White 0% 90%
Mars Blue 0% 10%
Canadice Red 10% 30%
Vanessa Red 10% 65%
Einset Red 10% 10%
Reliance Red 20% 20%
Marquis White 30% 75%
Venus Blue 33% 66%
Himrod White 60% 75%
Glenora Blue 100%
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Seedless Table Grape Training System
Double Trunk
Illustrations from:Ohio State Univ.Bulletin 815, Agdex 231
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Brix and Harvest WeightsTable Grapes - Brix/Fruit Weight - 2010
Date of Ripening
3 Vines 8/15 8/21 9/7
Cultivar Name Color Harvest Wt lbs Brix Brix Brix
Somerset Seedless* Red 38 18.50 20.00 harv
Canadice Red 21 18.00 19.20 21.20
Concord Seedless * Blue 32 14.00 16.80 17.00
Vanessa* Red 12 16.50 17.50 harv
Trollhaugen* Blue 41 18.50 19.30 19.0
Einset * Red 25 17.50 19.60 harv
Venus * Blue 10 16.50 17.90 harv
Interlaken White 8 15.90 19.10 21.00
Lakemont White 19 16.80 19.50 harv
Mars * Blue 36 14.50 17.10 18.50
Marquis White 21 15.30 18.20 harv
Himrod White 16 18.50 19.20 harv
Reliance Red 15 19.10 20.50 harv
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Diseases
Foliage Diseases:Downy Mildew – Marquis and VenusPowdery Mildew – Einset, Canadice, MarsPhomopsis and Leaf Spot – Leaf Spot on a few varieties very minimal
Fruit Disease:Botrytis Bunch Rot or Gray RotBlack RotSour Rot
Cane, Root, Trunk Disease:Crown Gall – Venice and Canadice
Bacterial disease Pennsylvania State University photo
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Recommended Cultivars -2010
Einset – -25 F/, red seedless grape with a unique, sweet, fruity flavor. Some remnant seeds –
Average cluster 182 g/ berry 2.8 g, can leave on vine for weeks, harvested 8/21/2009 - 8/21/ 2010 –
Ratings by sampling group 4.04
Mars – -20 F/, blue seedless grape, berries are slipskin, have a strong “concord” flavor –
Average cluster 140 g/berry 2.6 g,
Ratings by sampling group 3.28
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Recommended Cultivars -2010
Somerset Seedless - -30 F/ a red seedless grape with small berries, complex flavor
Average cluster 131 g/ berry 1.2 g,
Harvested 8/20/2009 - 8/15/ 2010 –
Can leave on vine for several weeks -Rating by sample group - 3.94.
Trollhaugen - -30 F/a blue seedless table grape. Good diseases resistance, fruit - sweet, intense, spicy flavor –
Average cluster 115 g/berry 1.7 g, Rating by sampling group – 3.36
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Varieties with Good Possibilities
Canadice – -25 F/ Fruit very complex flavor and deep rose color, monitor for disease problems – rating by sampling group – 3.48
Cluster weight = 125 g/Berry weight = 1.8 g -harvested 8/20/2009 – 8/21/2010
Reliance – -25 F/ Good disease resistance, Fruit excellent deep flavor and slightly melting texture – rating by sampling group - 4.16
Cluster weight = 152 g/ Berry weight = 2.8 g - harvested 8/21/2010
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Varieties with Good Possibilities
Lakemont – - 20 F/ mild, sweet, bit spicy flavor and beautiful, white, gold color
Cluster weight = 220 g. Berry weight = 1.9 g
Interlaken - Winter hardy- Zone 6, beautiful green, gold color and mild, sweet, bit spicy flavor fruit
Cluster weight = 195 g. Berry weight = 1.9 g
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Varieties with Good Possibilities
Vanessa – Hardy, productive flavor is fruit is sweet, mild flavored, relatively small, berry texture is firm (not enough for sampling)
Cluster weight = 102 g Berry weight = 1.2 g
Venus - -20 F/ productive blue-black fruit with very spicy, complex taste. The medium-large clusters ripen early– rating by sampling group - 4.16
Cluster weight = 228 g. Berry weight = 3.2 g
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Varieties with Some Possibilities
Marquis - White grape with large, sweet, mild fruit, large clusters.
Cluster weight = 165 g. Berry weight = 2.9 g
Himrod – White seedless that is relative of Thompson Seedless
Cluster weight = 165 g. Berry weight = 1.8 g
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Varieties Removed
Saturn – Fruit seeded/bitter
Glenora – Not winter hardy in WI
Concord Seedless – Fruit seeded, uneven ripening
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Report on Seedless Table Grape Trials
On-line at:Wisconsin Grape Growers Association
http://wigrapes.org
West Madison Research Station Garden Web Sitehttp://www.cals.wisc.edu/westmad/garden/
Garden Blog http://universitydisplaygardens.com
Section 4 - Conclusions Gathered Based through Project Work:
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Program for 2011
Try different pruning technique
Plant two new selections:Jupiter
Not decided
Apply growth regulator:Somerset Seedless – increase size of fruit
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Seedless Table Grape Trials Support2010 - 2011
Agricultural Development & Diversification Program (ADD) – 2007 - 2010
2010 – 2011 – Specialty Crops Grant – Wisconsin Grape Growers Association
Wisconsin Winery
University of Wisconsin – Madison, College of Agriculture and Life Sciences