The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia								2003 Corn Performance Tests Research Report Number 690 October 2003
									Table of Contents
Tifton, Georgia: Preliminary Corn Hybrid Performance, 2003, Irrigated
Company or Brand Name		Hybrid Name	Yield1	Ears/100 Plants	Ear Grain Weight	Grain Quality2	Grain Moist.3	Plant Pop.	Erect Plants	Leaf Rust4	SCLB5
			bu/acre	no.	lb	rating	%	no.	%	rating	rating
Pioneer		31G98	241.7	126	0.44	.	18.9	25592	100	3	3
DeKalb		DKC69-71(RR/YGCB)	233.5	113	0.50	.	21.1	24938	100	2	1
SS		E42175RR	231.6	105	0.48	.	19.1	26790	100	1	1
NK		N91-R9	229.7	106	0.49	.	19.8	26027	100	3	1
Pioneer		32D99	228.7	102	0.47	.	19.9	27987	100	2	1
NK		N 83-N5	222.9	108	0.45	.	19.3	27225	99	1	1
Terral		TV2140nRR	222.4	103	0.47	.	19.5	27116	100	2	2
Dyna-Gro		58K22	221.6	103	0.47	.	19.0	26572	100	1	1
Terral		TVX24R013	218.5	107	0.44	.	19.0	26898	100	3	2
CPES		03A12	213.1	99	0.48	.	20.9	27225	99	1	1
NK		NX8201	212.2	101	0.45	.	19.1	27116	100	1	1
Terral		TV2160Bt	211.9	110	0.43	.	19.6	26245	99	1	1
CPES		03A14	210.8	102	0.45	.	19.6	26898	97	1	1
Garst		ND200YG1	208.0	104	0.46	.	19.2	25592	100	3	4
CPES		X31605Bt	207.3	101	0.47	.	18.9	25374	100	1	1
DeKalb		DKC67-60(RR)	206.3	112	0.41	.	18.5	26245	100	1	2
Greenwood		780	203.1	107	0.45	.	19.7	24938	99	2	1
NK		NX7982	202.6	109	0.40	.	18.1	26681	100	3	2
AgraTech		31616	197.8	106	0.47	.	20.1	23522	99	1	3
AgraTech		31610	194.1	106	0.42	.	19.9	25701	99	1	1
CPES		03A10	192.0	100	0.45	.	21.0	25591	93	2	3
NK		N82-B2	191.3	103	0.40	.	17.8	26681	100	2	3
Garst		8288	189.6	100	0.44	.	18.8	25265	99	3	1
CPES		03A9	188.1	102	0.43	.	20.0	25156	100	3	2
Dyna-Gro		58K56	183.0	103	0.39	.	19.4	26463	100	3	1
NK		N75-C4	182.3	105	0.38	.	17.8	26027	99	2	2
CPES		03A8	181.6	100	0.46	.	20.3	23740	97	3	2
CPES		03A15	175.7	101	0.39	.	20.6	26898	95	1	1
Greenwood		865	167.9	104	0.47	.	28.9	22978	97	1	1
Greenwood		863	162.2	109	0.41	.	28.3	24067	99	1	1
AgraTech		31603	158.3	99	0.40	.	17.0	22978	100	1	2
NK		NX8582	155.0	101	0.40	.	18.9	22434	100	2	1
CPES		03A11	154.1	102	0.35	.	20.7	25918	79	2	3
Average			200.0 6	105	0.44	.	19.9	25723	98	2	2
LSD at 10% Level			19.0	6	0.04		1.2	1842	2	-	-
Std. Err. of Entry Mean			8.1	2	0.02		0.5	784	1	-	-
1.  Yields calculated at 15.5% moisture.
2.  Grain quality rating:  1 = excellent to 5 = poor.
3.  Grain moisture at harvest.
4.  Leaf Rust rating:  1 = resistant to 5 = highly susceptible.
5.  Southern Corn Leaf Blight rating:  1 = resistant to 5 = highly susceptible.
6.  CV = 8.1%, and df for EMS = 96.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	April 4, 2003.
Harvested:	August 16, 2003.
Seeding Rate:	28,000 seeds/acre in 30" rows.
Soil Type:	Tifton loamy sand.
Soil Test:	P = Medium, K = Medium, and pH = 6.3.
Fertilization:	182 lb N, 52 lb P2O5, and 182 lb K2O/acre as preplant; 122 lb N/acre as sidedress.
Previous Crop:	Soybean.
Management:	Paratilled, subsoiled and bedded, rototilled; Prowl, Atrazine, and Accent used for weed control; Telone II used for nematode control; irrigated 2.5 inches.
Test conducted by A. E. Coy, M. D. Pippin, R. Burton, and R. E. Brooke.