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

Research Report Number 670 January, 2001

Griffin, Georgia: Late-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
Novartis	231		1307	26	51	98	54	82
Triumph	562		1274	24	65	100	55	83
Novartis	278		1268	23	56	99	55	83
Novartis	NX12827		1157	22	57	97	55	82
ProSeed	9612		1079	23	59	100	56	82
Triumph	642		1054	24	51	100	54	80
Croplan	CL345		1006	22	53	100	52	81
Croplan	CL803		786	22	43	100	53	79
Garst	4340		780	25	53	100	56	81
Triumph	545A		750	23	52	97	54	80
Triumph	766CRT		734	21	55	100	55	82
HiSUN	450		687	23	50	100	56	82
Triumph	765C		679	20	65	100	55	82
Garst	IS6111		660	23	54	100	52	81
Interstate Payco	4049		626	21	62	100	56	82
ProSeed	9215		587	22	48	100	54	79
ProSeed	9103		539	21	53	88	55	77
Croplan	CL821		388	20	55	100	56	82
ProSeed	9123		371	21	52	87	56	80
Interstate Payco	8048		361	21	55	100	54	80
Average			8051	22	54	98	54	81
LSD at 10% Level			170	1	5	6	1	2
Std. Err. of Entry Mean			72	1	2	2	0	1
1. CV = 17.9% and df for EMS = 57.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	July 5, 2000.
Harvested:	October 25, 2000.
Seeding Rate:	20,000 seed/acre in 30" rows.
Soil Type:	Cecil sandy clay loam.
Soil Test:	P = Medium, K = High, and pH = 6.9.
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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