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Short Season Oil Sunflower - Langdon
Seed Yield**
Brand Hybrid Days  
to Flower
Days *  
to Maturity
Plant Ht Test  
Wt
Harvest Moisture Oil** 1997 1998 2 year Avg
in lbs/bu % % ---------- lbs/ac ----------
Agripro Seeds AP3100 65 106 62 28.1 20.6 39.9 -- 1994 --
Croplan Genetics CL803 64 104 69 30.6 11.8 40.9 2787 2091 2439
Croplan Genetics CL745 65 107 65 28.6 16.3 41.5 -- 2059 --
Croplan Genetics CL815 71 109 76 29.3 35.6 41.1 -- 1950 --
Croplan Genetics CL Ex8891 65 105 68 31.1 16.4 41.6 -- 1910 --
Interstate Seed IS 6111 61 104 61 29.4 14.6 40.8 2506 2175 2341
Interstate Seed IS 5077 63 106 65 30.4 17.6 41.3 2395 2261 2328
Interstate Seed IS 6039 66 106 65 30.0 26.4 43.6 -- 2070 --
Kaystar 8300 65 104 68 28.1 16.1 42.0 2736 2100 2418
Pioneer 6230 66 103 72 31.0 17.4 40.7 -- 2404 --
Pioneer XF3720 65 106 68 29.5 17.3 40.4 -- 2149 --
Pioneer XF3711 68 108 76 28.8 27.9 41.4 -- 1614 --
Pioneer 6300 66 104 77 29.8 19.6 43.1 3250 1949 2600
Proseed 9310 A 67 107 72 31.0 15.9 40.8 2619 2248 2434
Proseed 141 65 106 73 29.0 17.2 42.0 3241 2068 2655
Proseed 9215 67 106 69 30.8 18.2 41.2 3046 2346 2696
USDA 894 67 107 75 29.6 24.0 39.7 2981 1896 2439
Mean 66 106 69 29.7 19.7 41.3 2736 2068 --
C.V. % 1.1 1.4 3.9 1.6 7.0 2.9 10.1 10.5 --
LSD .05 1.2 2.4 4.5 0.8 2.3 NS 450 364 --

Planting Date: June 9, 1998 
Harvest Date: October 2, 1998
*Days to mature is a visual rating of physiological maturity (back of heads are yellow and bracts turning brown).
**Yield and oil adjusted to 10% moisture.