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
Quincy, Florida: 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
Short and Mid-Season
DeKalb		DKC69-71(RR/YGCB)	M		11.6	25.3		46.0	.	24858	.
Pioneer		32D99	S		10.2	26.8		38.2	.	24463	.
NK		1851W	S		9.3	25.6		36.3	.	24542	8.9
Croplan Genetics		827RR	S		9.0	21.6		41.4	.	24542	8.7
Pioneer		33J56	S		8.8	22.8		37.9	.	24936	.
Garst		8230IT	M		8.7	22.1		39.7	.	25331	.
DeKalb		DKC67-60(RR)	S		8.6	23.1		37.4	.	24226	.
Croplan Genetics		780RR/Bt	M		8.6	19.4		44.7	.	24700	.
Dyna-Gro		58K22	S		8.5	22.0		38.8	.	23832	.
Croplan Genetics		895Bt	M		8.4	21.4		39.1	.	24305	.
Southern States		SS842RR	M		8.3	22.0		37.4	.	25094	9.0
Croplan Genetics		DS822RR	M		8.3	22.9		35.9	.	23911	8.2
Garst		8288	M		8.2	18.0		45.7	.	23043	8.1
Greenwood		780	M		8.2	21.6		37.8	.	24305	8.7
Dyna-Gro		58K56	M		8.2	22.0		37.1	.	23990	.
NK		N 83-N5	M		7.8	20.2		38.5	.	23910	8.5
Croplan Genetics		DS830	M		7.5	20.4		36.8	.	24621	.
Average					8.7 1	22.2		39.3	.	24389	8.6
LSD at 10% Level					1.6	3.0		4.7		N.S.2	N.S.
Std. Err. of Entry Mean					0.7	1.3		2.0		665	0.4
Full-Season
Pioneer		30F33	F		10.3	23.8		43.1	.	24779	9.7
Greenwood		865	F		9.5	22.1		43.0	.	23201	.
Greenwood		863	F		9.3	21.2		44.2	.	24226	.
NK		N91-R9	F		9.2	15.8		58.3	.	25883	9.9
Greenwood		835	F		8.1	16.2		50.1	.	21386	8.6
Average					9.3 3	19.8		47.7	.	23895	9.4
LSD at 10% Level					0.8	1.7		2.4		1085	N.S.
Std. Err. of Entry Mean					0.3	0.7		1.0		430	0.2
1.  CV = 15.6%, and df for EMS = 48.
2.  The F-test indicated no statistical differences at the alpha = .10 probability level; therefore an LSD value was      not calculated.
3.  CV = 7.2%, and df for EMS = 12.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	April 2, 2003.
Harvested:	Short and Mid-Season:  July 15, 2003.
	Full-Season:  July 28, 2003.
Seeding Rate:	26,000 seeds/acre in 36" rows.
Soil Type:	Dothan sandy loam.
Soil Test:	P = Medium, K = Medium, and pH = 5.6.
Fertilization:	18 lb N, 54 lb P2O5, and 108 lb K2O/acre as preplant; 153 lb N/acre as sidedress.
Previous Crop:	Soybean.
Management:	Subsoiled and strip tilled; Aatrex, Prowl, Permit, and Accent used for weed control; Phorate and Lorsban used for insect control; no irrigation water applied.
Test conducted by B. Kidd.