2002 Corn Performance Tests									Table of Contents
The Georgia Agricultural Experiment Station College of Agricultural and Environmental Sciences The University of Georgia

Research Report Number 684 October 2002

Tifton, Georgia: Preliminary Corn Hybrid Performance, 2002, Irrigated
Company or Brand Name		Hybrid Name	Yield¹		Ears/100 Plants	Ear Grain Weight	Grain Quality²	Grain Moisture³	Plant Population	Erect Plants
			bu/acre		no.	lb	rating	%	no.	%

Pioneer		31G98	242.7		138	0.40	1.0	19.4	26245	100
Garst		8230IT	235.5		106	0.49	1.0	20.7	27225	100
NK		N91-R9	231.5		107	0.49	1.0	21.4	26463	100
DeKalb		DK 697	227.5		129	0.38	1.0	21.0	27552	100
Greenwood		780	218.9		117	0.46	1.0	20.8	24503	100

Pioneer		31R88	218.1		106	0.46	1.0	20.1	26790	100
Croplan Genetics		818Bt	216.8		103	0.46	1.0	21.1	27660	100
Southland		02-202	214.3		97	0.50	1.0	18.2	25592	100
Syngenta		NX8901	214.1		104	0.45	1.0	20.6	27225	100
DeKalb		DK687RR	213.4		109	0.46	1.0	19.2	25265	100

Southland		02-203	207.0		108	0.44	1.0	18.5	25592	100
Dyna-Gro		5515	204.0		107	0.44	1.0	19.9	25374	100
Garst		8255RR	203.0		103	0.44	1.0	19.7	26245	100
Dyna-Gro		5516RR	200.3		105	0.43	1.0	18.3	26027	100
Southland		02-206	200.1		102	0.41	1.0	18.2	27769	100

Southland		02-205	198.5		102	0.44	1.0	19.0	26027	100
Greenwood		835	198.1		129	0.42	1.0	27.0	24176	96
Croplan Genetics		702	197.9		101	0.43	1.0	20.7	26898	100
Monsanto		Exp267	195.6		119	0.42	1.0	19.6	23196	100
AgraTech		AT97-4-14	195.1		104	0.38	1.0	19.4	28750	100

Southland		02-207	189.3		103	0.41	1.0	18.2	26245	100
Garst		8285RR	189.0		106	0.41	1.0	19.2	25918	100
Greenwood		860	188.9		112	0.48	1.0	27.6	23196	98
Terral		TVX24R002	187.8		108	0.39	1.0	20.7	26898	100
Southland		02-204	186.7		100	0.43	1.0	17.2	24720	100

Garst		8348	184.6		102	0.40	1.0	16.5	25918	100
Terral		TV23R15n	183.3		103	0.37	1.0	18.4	28314	100
Croplan Genetics		G71CL/Bt	179.5		102	0.39	1.0	17.7	25918	100
Southland		02-201	178.2		104	0.40	1.0	17.1	24503	100
Greenwood		865	171.5		122	0.37	1.0	30.8	26027	95

Average			202.4⁴		108	0.43	1.0	20.2	26074	100
LSD at 10% Level			17.1		8	0.04	-	1.4	1637	2
Std. Err. of Entry Mean			7.2		3	0.02	-	0.6	696	1

1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 7.2%, and df for EMS = 87.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	March 29, 2002.
Harvested:	August 7, 2002.
Seeding Rate:	29,000 seeds/acre in 30" rows.
Soil Type:	Tifton loamy sand.
Soil Test:	P = High, K = Medium, and pH = 6.4.
Fertilization:	65 lb N, 130 lb P₂O₅, and 195 lb K₂O/acre as preplant; 234 lb N/acre as sidedress.
Previous Crop:	Soybean.
Management:	Subsoiled and bedded, rototilled; Prowl, Atrazine, Permit, and Accent used for weed control; Telone II used for nematode control; irrigated 13.0 inches.

Test conducted by A. E. Coy, M. D. Pippin, R. E. Brooke, and T. L. Hancock.