The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia

Research Report Number 670 January, 2001

SUNFLOWER
Griffin, Georgia: Early-Planted Sunflower Performance, 2000, Nonirrigated
Company or Brand Name	Hybrid Name or Number		Yield	Test Wt.	Plant Height	Erect Plants	50% Bloom	Phys. Maturity
			lb/acre	lb/bu	in	%	days	days
Interstate Payco	4049		1546	31	62	95	65	118
Croplan	CL821		1328	28	58	92	65	119
Triumph	545A		1317	30	55	92	60	112
Novartis	278		1310	28	52	92	63	120
Croplan	CL345		1253	30	56	97	57	114
HiSUN	450		1129	30	47	92	65	118
ProSeed	9123		1061	28	61	92	65	114
Triumph	765C		1040	19	57	94	63	119
Novartis	NX12827		910	28	56	92	63	118
Garst	4340		887	32	49	91	65	116
Garst	IS6111		820	30	52	100	57	116
Triumph	766CRT		747	17	56	97	62	115
Croplan	CL803		717	29	49	99	58	111
Triumph	562		714	29	56	94	63	120
Interstate Payco	8048		703	21	51	96	61	115
ProSeed	9612		700	28	59	96	64	117
ProSeed	9103		686	29	60	94	61	107
Triumph	642		679	26	48	95	60	112
ProSeed	9215		653	26	47	88	61	111
Novartis	231		623	28	48	100	59	114
Average			9411	27	54	94	62	115
LSD at 10% Level			214	2	5	N.S.2	1	2
Std. Err. of Entry Mean			90	1	2	4	1	1
1. CV = 19.3% and df for EMS = 57.
2. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore, a LSD value was not calculated.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	April 25, 2000.
Harvested:	September 14, 2000.
Seeding Rate:	20,000 seed/acre in 30" rows.
Soil Type:	Appling coarse sandy loam.
Soil Test:	P = High, K = High, and pH = 7.0.
Fertilization:	Preplant: 28 lb N, 56 lb P2O5, and 84 lb K2O/acre. Sidedress: 100 lb N/acre.
Previous Crop:	Grain sorghum.
Management:	Moldboard plowed and rototilled; Poast and one cultivation used for weed control.
Test conducted by P. A. Rose.
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