April 19, 2018

Strawberry Cultivar Trials 2010

K. Mann, P. Johnson – North Central Research and Outreach Center, Grand Rapids
J. Luby, E. Hoover – Department of Horticultural Science, St. Paul
D. Bedford, J. Elskamp, L. Miroslawski – Horticultural Research Center, Excelsior
S. Poppe – West Central Research and Outreach Center, Morris


Strawberry Cultivar Trial Results for 2010 at the U of MN Horticultural Research Center, Excelsior. Planting established in 2009.
  Yield (1000 lb/A) Berry wt (g) % Early Stand % Vigor Stand difference (%)
Early Season            
Annapolis 8.4 11.1 75 70 7.0 20
Honeoye 8.1 13.7 73 60 8.3 30
Itasca 14.8 14.1 89 50 9.1 22
Wendy 5.5 12.5 71 48 7.1 11
Midseason            
Brunswick 6.6 11.9 81 40 6.6 12
Cavendish 7.0 13.7 74 36 7.4 14
Darselect 11.7 17.0 61 60 8.6 17
Glooscap 13.7 10.6 67 51 7.4 24
Jewel 12.1 11.7 45 67 9.0 23
Kent 15.8 14.9 55 71 8.9 29
L’Amour 7.2 15.5 49 57 7.0 17
Mesabi 11.0 11.8 42 66 5.9 14
Late Season            
Valley Sunset 8.9 20.2 12 43 7.7 13
Winona 10.9 13.3 5 63 8.3 20
             
LSD 5% 9.4 3.5 34 31 1.8 14
 
Earliness is % of total harvest taken on first 3 of 7 harvests
Stand is % stand at harvest in June 2010
Vigor rated from 1=very low to 9=very high
Stand difference is % loss/gain from Oct 2009 to June 2010
Strawberry Cultivar Trial Results for 2010 at the U of MN West Central Research & Outreach Center, Morris. Planting established in 2009.
  Yield (1000 lb/A) Berry wt (g) % Early Stand % Vigor Stand difference (%)
Early Season            
Annapolis 11.7 10.0 73 82 7.7 7
Honeoye 19.1 13.5 45 87 9.0 3
Itasca 24.0 13.3 60 87 9.0 3
Wendy 9.0 12.3 81 67 8.0 3
Midseason            
Brunswick 16.8 12.6 50 53 8.0 0
Cavendish 16.0 12.8 48 63 7.8 -3
Darselect 13.8 16.7 35 83 9.0 7
Glooscap 11.8 9.5 65 53 6.3 -3
Jewel 19.9 11.2 25 92 9.0 -3
Kent 14.7 14.2 52 59 7.1 7
L’Amour 15.7 14.3 25 92 8.4 -3
Mesabi 16.8 10.7 34 67 5.3 -10
Late Season            
Clancy 17.0 16.6 13 88 9.0 0
Valley Sunset 11.4 20.2 1 87 7.7 -3
Winona 9.6 12.4 10 70 6.7 3
             
LSD 5% 5.2 2.0 17 16 0.9 10
 
Earliness is % of total harvest taken on first 5 of 12 harvests
Stand is % stand at harvest in June 2010
Vigor rated from 1=very low to 9=very high
Stand difference is % loss/gain from Oct 2009 to June 2010
2010 Strawberry Cultivar Trial Production – NCROC
A. Mulched Plots   B. Unmulched Plots
  Yield Size Season         Yield Size Season    
  Lbs/ Lbs/ Grams/ % Stand Vigor     Lbs/ Lbs/ Grams/ % Stand Vigor
Cultivar 10 Ft Acre Fruit Early % 7/16   Cultivar 10 Ft Acre Fruit Early % 7/16
Early Season               Early Season            
Itasca 6.0    6,580 16.0 67% 60 8.3   Itasca 9.5   10,352 15.2 63% 80 9.0
Kent 4.7    5,090 14.0 53% 47 7.0   Kent 3.3 3,583 11.8 67% 43 7.3
Annapolis 4.5    4,930 15.2 77% 67 7.7   Annapolis 4.6 5,016 12.0 83% 77 8.0
Glooscap 2.9    3,204 10.8 59% 34 7.6   Glooscap 5.2 5,626 10.7 67% 43 7.7
Wendy 2.3    2,537 13.7 67% 47 6.7   Wendy 1.6 1,753 10.6 73% 33 7.0
Mid Season               Mid Season            
Honeoye 7.6    8,272 13.3 37% 73 7.7   Honeoye 9.0 9,818 12.5 63% 77 8.7
Jewel 5.9    6,498 12.0 37% 73 7.7   Jewel 8.6 9,393 11.2 40% 73 8.7
Cavendish 5.5    5,959 14.5 50% 60 6.7   Cavendish 9.2 9,972 14.0 63% 63 7.0
Mesabi 4.3    4,711 12.0 37% 40 6.0   Mesabi 4.4 4,779 11.5 50% 37 5.7
Brunswick 3.3    3,628 12.6 40% 43 5.7   Brunswick 5.8 6,378 12.2 60% 53 6.3
Darselect 3.1   3,362 19.1 43% 40 7.0   Darselect 3.1 3,399 16.6 60% 40 6.7
Late Season               Late Season            
L’Amour 2.1    2,324 15.3 23% 30 7.0   L’Amour 3.5 3,825 15.6 44% 45 7.5
Valley Sunset 1.8    2,033 19.4 0% 37 6.7   Valley Sun 4.1 4,426 19.9 7% 43 7.3
Winona 0.7 810 11.2 0% 40 3.7   Winona 2.5 2,778 11.6 20% 43 5.3
                             
Average 4.8 5,250 14.4 31% 54 6.8   Average 5.8 6,323 13.5 45% 57 7.1
LSD 5% 2.8 3,021 2.6 16% 23 1.3   LSD 5% 2.9 3,187 3.0 15% 21 1.0
  Early Season: 6/28/10 (1 harvest)     Early Season: 6/28/10 (1 harvest)
  Total Season: 6/24/10 – 7/16/10 (7 harvests)     Total Season: 6/24/10 – 7/16/10 (7 harvests)
Strawberry Cultivar Plant Stand Change from Fall, 2009 to Summer, 2010 – NCROC
(by descending % change on mulched plots)
                 
A. Mulched Plots   B. Unmulched Plots
   Plant Stand %        Plant Stand %  
  Fall Summer       Fall Summer  
Cultivar 2009 2010 Change   Cultivar 2009 2010 Change
Glooscap 10.0 33.8 237%   Glooscap 18.3 43.3 136%
Cavendish 25.0 60.0 140%   Cavendish 31.7 63.3 100%
Kent 20.0 46.7 133%   Kent 18.3 43.3 136%
Winona 18.3 40.0 118%   Winona 28.3 43.3 53%
Mesabi 19.3 40.0 107%   Mesabi 20.0 36.7 83%
Valley Sun 18.3 36.7 100%   Valley Sun 26.7 43.3 62%
Honeoye 38.3 73.3 91%   Honeoye 36.7 76.7 109%
L’Amour 16.0 30.0 88%   L’Amour 20.3 45.4 123%
Wendy 26.7 46.7 75%   Wendy 16.7 33.3 100%
Brunswick 26.7 43.3 62%   Brunswick 28.3 53.3 88%
Annapolis 43.3 66.7 54%   Annapolis 43.3 76.7 77%
Itasca 40.0 60.0 50%   Itasca 46.7 80.0 71%
Jewel 50.0 73.3 47%   Jewel 50.0 73.3 47%
Darselect 33.3 40.0 20%   Darselect 30.0 40.0 33%
                 
Average 32.7 54.1 65%   Average 32.5 57.4 77%
LSD 5% 15.3 22.8 49%   LSD 5% 15.8 20.7 31%
2010 Strawberry Cultivar Leaf Disease Ratings – NCROC
(by descending Summer 2010 Leaf Spot/Scorch Rating on Mulched Plots)
  A. Mulched Plots     B. Unmulched Plots
  Leaf Spot/Scorch Powdery Mildew     Leaf Spot/Scorch Powdery Mildew
  Fall Summer Fall Summer     Fall Summer Fall Summer
Cultivar 2009 2010 2009 2010   Cultivar 2009 2010 2009 2010
Darselect 5.3 5.3 6.0 3.0   Darselect 5.3 5.0 6.0 3.3
Kent 7.2 3.3 7.0 1.3   Kent 7.3 3.7 7.0 1.0
Honeoye 8.0 2.7 6.6 1.7   Honeoye 8.0 2.3 6.3 2.7
Glooscap 8.0 2.5 7.0 1.5   Glooscap 8.0 1.3 7.0 2.3
Jewel 6.7 2.3 6.3 2.0   Jewel 6.7 2.3 6.3 1.3
Cavendish 8.0 2.0 6.3 2.7   Cavendish 8.0 1.3 6.3 2.3
Annapolis 6.7 1.7 6.3 2.7   Annapolis 6.7 2.3 6.3 2.3
Itasca 8.0 1.7 8.0 1.3   Itasca 8.0 2.0 8.0 1.0
Wendy 5.7 1.7 6.3 2.7   Wendy 5.7 1.7 6.3 2.7
Brunswick 8.0 1.7 7.0 1.7   Brunswick 8.0 1.3 7.0 2.3
Mesabi 6.3 1.7 7.0 1.7   Mesabi 6.7 1.3 7.0 1.7
L’Amour 7.7 1.3 7.0 1.3   L’Amour 7.5 2.3 6.6 1.5
Winona 7.3 1.3 7.2 3.0   Winona 7.3 2.3 7.2 3.3
Valley Sun 7.0 1.0 6.7 1.7   Valley Sun 7.3 1.0 6.7 1.7
                     
Average 7.4 1.9 7.0 2.0   Average 7.4 2.1 7.0 2.0
LSD 5% 0.7 1.0 0.6 0.9   LSD 5% 0.7 1.3 0.6 1.1
                     
Ratings taken on mulched and unmulched plots on 10/31/09 and 7/10/10
Ratings are on a 1-9 scale with 7-9 = light to no disease; 4-6 = moderate disease, 1-3 = heavy disease.