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: Evaluation of Corn Hybrids for Silage, 2003, Irrigated
Company or		Hybrid	Maturity		Forage Yield			Dry	Grain	Plant	2-Yr Avg Dry Forage
Brand Name		Name	Class		Dry	Green		Matter	Portion	Population	Yield
					tons/acre			%	%	no.	tons/acre
Pioneer		32D99	S		13.9	31.3		44.5	55	32234	.
DeKalb		DKC69-71(RR/YGCB)	M		13.7	29.8		45.9	52	33324	.
NK		N 83-N5	M		13.4	26.8		50.2	54	32670	14.1
Pioneer		33V15	S		13.3	26.3		50.4	56	31145	.
NK		N91-R9	F		12.9	30.0		42.9	56	32017	13.3
Dyna-Gro		58K22	S		12.7	28.1		45.5	55	32670	.
Pioneer		33J56	S		12.7	26.8		47.3	57	30274	.
Greenwood		780	M		12.4	27.1		45.7	54	30492	13.4
AgraTech		893RR	M		12.2	27.9		43.8	47	28968	.
Croplan Genetics		827RR	S		12.1	27.1		44.8	53	30928	12.7
NK		1851W	S		12.0	27.8		43.2	52	28750	13.0
Pioneer		30F33	F		11.9	30.1		39.7	48	30710	12.1
AgraTech		1020	F		11.9	28.5		41.9	45	27225	.
Dyna-Gro		58K56	M		11.9	25.9		45.9	55	29403	.
DeKalb		DKC67-60(RR)	S		11.9	26.3		45.2	51	30710	.
Golden Acres		8681FQ	M		11.9	25.9		45.7	55	30928	12.5
AgraTech		1836	F		11.8	28.4		41.8	48	29621	12.1
Croplan Genetics		780RR/Bt	M		11.5	24.1		47.6	54	30710	.
AgraTech		919RR	M		11.4	24.1		47.1	52	29621	12.8
Southern States		SS842RR	M		11.3	24.0		47.0	56	31581	12.9
Croplan Genetics		DS830	M		11.3	25.1		45.1	54	29839	.
Golden Acres		7511	M		11.3	23.2		49.0	57	30492	.
Greenwood		863	F		11.0	28.5		38.4	48	30274	.
Garst		8230IT	M		10.9	22.6		48.1	58	28750	.
AgraTech		2852	F		10.8	23.9		45.4	48	29185	.
Garst		8288	M		10.7	22.7		47.4	62	33323	11.8
Greenwood		835	F		10.6	26.5		40.0	44	25483	11.6
Croplan Genetics		895Bt	M		10.6	22.2		47.6	58	29621	.
Croplan Genetics		DS822RR	M		10.4	22.5		46.5	57	30274	12.6
AgraTech		890RR	M		10.4	25.5		40.8	49	28096	.
Greenwood		865	F		9.7	25.0		38.8	48	24612	10.9
AgraTech		2851	F		9.6	24.1		39.9	47	30928	.
Average					11.7 1	26.2		44.8	53	30152	12.5
LSD at 10% Level					1.0	2.3		2.5	3	2942	0.9
Std. Err. of Entry Mean					0.4	1.0		1.0	1	1252	0.4
1.  CV = 7.3%, and df for EMS = 93.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	April 7, 2003.
Harvested:	July 31, 2003.
Seeding Rate:	34,000 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, Permit, 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.