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
Midville, Georgia: Short-Season Corn Hybrid Performance, 2003, Irrigated
			Yield¹
Company or Brand Name		Hybrid Name	2003	3-Year Avg		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

DeKalb		DKC67-60(RR)	207.6	.		127	0.31	.	17.4	30710	84	1	1
Pioneer		32R25	194.4	218.1		108	0.34	.	15.8	30275	70	1	2
AgraTech		733RR	192.1	.		102	0.38	.	15.9	28750	82	1	1
Terral		TV2130	191.0	.		102	0.37	.	16.2	30057	25	1	1
Golden Acres		8112	189.3	.		101	0.38	.	16.2	29621	47	1	1

Terral		TV26B23	186.1	.		102	0.36	.	16.9	28967	64	1	1
Pioneer		33M54	181.0	.		100	0.34	.	15.6	30275	80	2	1
Terral		TV2140	181.0	.		100	0.35	.	16.8	29403	14	1	1
Dyna-Gro		58K22	179.0	.		102	0.34	.	16.7	29621	5	1	1
Terral		TV2140nRR	178.1	.		100	0.37	.	17.2	27443	19	1	1

Pioneer		31G98	174.5	220.9		105	0.36	.	15.2	25700	52	2	1
Croplan Genetics		691LLBt	170.9	.		99	0.33	.	15.8	29839	91	1	1
Dyna-Gro		5515	168.2	203.5		114	0.37	.	16.3	24394	50	1	2
Terral		TV2160Bt	168.1	.		99	0.33	.	16.1	28968	43	1	1
Terral		TV26BR10n	167.9	.		101	0.37	.	16.3	28097	46	1	1

Vigoro		V58Y41	165.5	.		101	0.30	.	16.3	29186	30	1	1
Terral		TV23R15n	164.1	.		102	0.32	.	16.1	28750	74	1	1
Terral		TV24R10	163.3	.		100	0.31	.	17.4	29186	9	2	1
AgraTech		803RR	161.8	.		99	0.33	.	16.8	29186	23	1	1
Dyna-Gro		58K15	161.0	.		100	0.31	.	15.8	28750	30	1	2

Terral		TV25B30	160.1	.		105	0.30	.	17.1	29403	55	1	1
Southern States		SS781CL	160.0	202.3		100	0.32	.	15.9	27443	25	1	2
DeKalb		DKC66-80(RR)	158.5	.		104	0.29	.	15.9	29185	30	1	1
Dyna-Gro		5518	157.3	.		101	0.35	.	16.5	25265	27	1	1
Croplan Genetics		818BtRR	153.3	.		103	0.34	.	17.6	27225	83	1	2

NK		1851W	152.4	190.7		100	0.31	.	16.5	28968	20	1	1
AgraTech		719RR	139.4	.		100	0.26	.	15.3	29403	19	1	1
Dyna-Gro		5545	118.0	.		97	0.23	.	16.0	29186	19	1	1

Average			169.4 ⁶	207.1		102	0.33	.	16.3	28687	43	1	1
LSD at 10% Level			23.8	9.9		7	N.S.⁷		0.7	N.S.	39	-	-
Std. Err. of Entry Mean			10.0	4.6		2	0.02		0.3	1224	13	-	-

NOTE: On July 19, 2003 strong thunderstorms accompanied by high straight line winds caused considerable lodging of plants at this experiment site.
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 = 10.3%, and df for EMS = 54.
7. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore a LSD value was not calculated.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	April 21, 2003.
Harvested:	August 27, 2003.
Seeding Rate:	31,000 seeds/acre in 30" rows.
Soil Type:	Tifton loam sand.
Soil Test:	P = Medium, K = Medium, and pH = 6.1.
Fertilization:	130 lb N, 65 lb P₂O₅, and 93 lb K₂O/acre as preplant; 122 lb N/acre as sidedress.
Previous Crop:	Cotton.
Management:	Chisel plowed, subsoiled and bedded, rototilled; Atrazine used for weed control; no irrigation water applied.

Test conducted by A. E. Coy, M. D. Pippin, R. Burton, R. E. Brooke, and R. D. McNeill, IV.