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Joshua Bushong
NW Area Agronomy Specialist
Oklahoma State University

Phone: (580) 237-7677

josh.bushong@okstate.edu

 

2005

2004-2005 Canola Yield Studies Dept. of Plant and Soil Sciences

Winter Canola Yields from OSU Replicated Variety Tests 2004-2005 Crop Year
Location Cultivar Yield* Test Weight %H2O**
Perkins Wichita
3924
51.2
7.2
(6 reps) Sumner
3869
51.0
7.3
  Abilene
3418
50.5
7.4
  DKW13-62
2626
50.9
7.1
  DKW13-86
3124
50.9
7.2
  KS 7436
3918
51.2
7.7
LSD 0.05  
349
0.49
0.25
CV%  
8.7
0.8
2.9
-----------------------------------------------------------------------------------------------------------------------------
Fort Cobb Wichita
3469
51.8
7.1
(4 reps) Sumner
3330
52.6
7.1
  Abilene
3134
52.0
7.3
  DKW13-62
2830
52.7
7.4
  DKW13-86
3091
51.8
7.5
  KS 7436
3440
52.1
8.3
LSD 0.05  
498
0.43
0.55
CV%  
9.5
0.6
4.9
-----------------------------------------------------------------------------------------------------------------------------
Lahoma
Wichita
3384
51.5
9.1
(6 reps)
Sumner
2987
53.3
8.4
 
Abilene
3130
51.8
9.7
 
DKW13-62
2639
51.5
11.6
 
DKW13-86
2827
52.4
10.5
 
KS 7436
2884
51.9
11.9
LSD 0.05
 
321
0.79
0.84
CV%
 
9.3
1.3
7.0
-----------------------------------------------------------------------------------------------------------------------------
Chickasha
Wichita
2497
48.6
8.5
 
Sumner
2990
50.7
8.2
 
Abilene
2469
49.5
8.9
 
DKW13-62
2416
49.6
9.2
 
DKW13-86
2186
50.7
9.2
 
KS 7436
3723
49.9
9.3
LSD 0.05
 
450
nsd
0.3
CV%
 
14
3.5
3.0
-----------------------------------------------------------------------------------------------------------------------------
Haskell
Wichita
2184
5.0
8.7
 
Sumner
1686
49.8
838
 
Abilene
1171
50.0
9.5
 
DKW13-62
1350
50.5
10.7
 
DKW13-86
1350
51.2
9.1
 
KS 7436
2083
52.0
8.9
LSD 0.05
 
403
nsd
1.2
CV%
 
17
4.2
9.0

*Yield = pounds of seed/acre after recleaning, adjusted to 10% moisture.
**%H2O = seed moisture after recleaning.
Test weights are in punds per bushel. Canola official weight = 50 pounds/bushel.
Chickasha was direct conbined June 17 and was moderately lodged with severe shattering due to severe thundersorms with hail and high winds before harvest. Haskell was direct combined June 15, and was also lodged with severe shattering due to a thunderstorm with small hail. See weather information below.
         
June 1, 05 to Harvest - Weather and Effect on the Crop
Location Harvested T-Storms Rain(inch) Hail Peak wind gust
(miles per hour )		 Lodging Shattering
Perkins
June 6
0
0.01
no
46
none
very little
Ft. Cobb
June 6
1
0.39
no
40
none
very little
Lahoma
June 9
1
0.53
no
40
none
very little
Chickasha
June 17
4
5.03
yes
68
moderate
severe
Haskell
June 15
1
0.82
small
33
severe
severe

 

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