Safflower
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1999 UC Davis Safflower Variety Trial
Planting date:March 23, 1999
Harvest date:September 8-9,1999
Soil type:Yolo silt loam, Class 1
Planting rate:15 lb/acre
Row spacing:30 inches
No. rows per plot:4
Plot length:120 feet
Replications:4
Area harvested
per plot:		4 rows, 116 feet long
Previous crop:Fallow
Fertilizer:80 lbs nitrogen preplant as NH4NO3
Herbicide:Treflan and one cultivation
Irrigation:May 10
Rainfall:12.07 inches before planting, 2.61 inches after planting
Remarks:In general, safflower yields were above normal in 1999. The yields were disappointing in this trial. Some phytophthora root rot occurred after the May 10th irrigation, indicating a soil compaction problem.
 
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Brand Name Variety Days
to
bloom		 Plant
height
(inch)		 Bu.
Wt.		 Percent
Oil		 Yield
(lbs/a)		 Lbs oil
per acre		 Duncan's
Multiple
Range @
5% level
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1. SeedTec S-518 96 30 38 41.7 2160 902 A
2. SeedTec 7269 98 39 42 41.9 2150 901 A
3. SeedTec S-345 96 37 38 43.0 2040 875 AB
4. Cal West 88OL 98 36 40 41.5 2090 868 AB
5. Calif. Oils 2056 98 38 39 41.1 1970 811 ABC
6. Calif. Oils 8131 97 35 39 41.9 1830 768 ABC
7. Calif. Oils 3027 97 34 38 42.1 1660 702    BC
8. SeedTec S-555 96 33 39 41.0 1610 660       C
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C.V.%   1.4 6.3 0.9 1.6 12.9 13.7  
L.S.D.@5%   NS 3.3 0.5 1.0 368 163  
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Safflower
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Modified: 7 Jan 2000
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