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Full Season Oil Sunflower (page 1)       Langdon
Days 
to Plant Test Sclerotinia2
Brand Hybrid Bloom Height Weight Head Rot Stalk Rot Oil3
      in lbs/bu % % %
NuSun  
Croplan Genetics 3080DMR 87 58 24.0 44 11 38.7
Dahlgren 4421 82 61 24.8 63 21 35.3
Dahlgren 4440 87 53 24.6 39 20 36.9
Dyna-Gro Exp 93N05 87 57 25.2 41 10 37.9
Integra Seed INT 536 83 55 26.1 65 19 40.3
Interstate Seed Hysun 511 84 49 26.6 48 19 37.6
Interstate Seed F00125 NS 85 56 26.2 33 12 36.7
Interstate Seed 4540 NS 90 52 24.1 44 22 36.3
Interstate Seed F10003 NS 85 58 25.9 39 12 39.5
Interstate Seed Hysun 521 84 58 25.2 63 14 37.7
Interstate Seed 4704 NS 86 57 25.1 42 30 37.9
Interstate Seed Hysun 525 91 60 25.9 16 23 34.6
Interstate Seed 4575 NS/CL1 89 61 25.0 18 11 33.2
Mycogen Seeds 8N251 81 61 27.8 51 25 41.5
Mycogen Seeds 8D310 84 65 25.1 63 13 35.2
Mycogen Seeds 8N327 85 53 26.1 53 20 42.9
Mycogen Seeds 8N352 90 60 27.4 28 17 39.5
Pioneer 63M80 83 59 28.2 28 15 43.3
Pioneer Exp0401 82 55 27.1 71 17 43.5
Proseed 9405 90 62 24.7 17 13 38.1
Proseed 9441 90 62 25.5 20 9 38.9
Proseed Exp T-1 89 60 21.6 32 15 34.1
Proseed Exp T-2 87 65 22.6 56 16 39.2
Proseed Exp T-3 89 66 25.7 22 7 38.0
Proseed Exp 15 84 57 26.1 77 12 40.4
Seeds 2000 Defender 86 61 26.6 31 23 38.0
Seeds 2000 X6519 81 57 29.2 70 53 36.4
Seeds 2000 Colonel 91 59 22.5 37 27 37.1
Seeds 2000 Viper1 88 60 25.4 39 8 32.0
Triumph Seed 620CL1 91 59 25.7 27 17 36.1
Triumph Seed 650CL1 95 62 18.8 7 15 29.6
Traditional  
Integra Seed INT 432 86 53 27.4 29 15 44.0
Integra Seed INT 7351 87 59 24.8 23 19 36.3
Interstate Seed 6039 87 56 24.6 55 27 40.3
Interstate Seed 4539 87 58 24.3 59 34 42.0
Interstate Seed 6521 84 54 26.4 60 34 43.1
Kaystar Seed 8300 84 58 26.8 44 27 42.6
Mycogen Seeds SF270 82 55 28.0 24 23 42.3
USDA 894 87 62 27.3 70 16 37.4
Full Season Oil Sunflower (page2)       Langdon
Days 
to Plant Test Sclerotinia2
Brand Hybrid Bloom Height Weight Head Rot Stalk Rot Oil3
      in lbs/bu % % %
High Oleic  
Seeds 2000 X4706 88 59 23.6 25 11 35.3
Interstate Seed F10046 HO 90 61 26.5 42 16 36.1
Trial Mean   87 58 25.5 41 18 39.0
C.V. % 2 5 3.7 28 56 5.3
LSD 5%   2 4 1.6 19 17 3.3
Yield C.V. % was 28%.  Yield data was too variable to report.
1Clearfield hybrid
Days to bloom hybrid check: Hysun 311=79, SF270=77, PI6451=84
No hybrid reached visual physiological maturity before the October 1 killing frost, except Exp 0401.
No harvest moisture was recorded because of extended period of wet weather between killing frost and harvest. 
2Percent of plants that were infected with head rot and/or stalk rot.  The majority of stalk rot was mid-stalk rot. 
Differences between hybrids may have resulted from genetic differences and/or environmental conditons
that were more or less favorable for disease development during that hybrid's flowering period.
3Oil adjusted to 10% moisture.  Oil % of NuSun and High Oleic hybrids were adjusted for oil type.
Planting Date: May 21, 2004
Harvest Date: November 2, 2004


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