The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia							Research Report Number 668 November, 2000
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Tifton, Georgia: Mid and Full-Season Corn Hybrid Performance, 2000, Nonirrigated
			Yield1
Company or Brand Name		Hybrid Name	2000	3-Year Average		Ears/100 Plants	Ear Grain Weight	Grain Quality2	Grain Moisture3	Plant Population	Erect Plants
			bu/acre			no.	lb	rating	%	no.	%
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Pioneer		3163	123.1	137.8		100	0.32	1.8	17.5	22107	95
NK		N 83-N5	118.1	124.8		107	0.29	1.8	17.3	21671	88
Pioneer		3146	115.5	122.7		99	0.33	1.5	19.0	21018	99
Pioneer		31R88	114.8	.		101	0.30	2.0	19.3	21998	96
AgriPro		AP 9939	111.4	122.5		98	0.31	1.5	19.8	21780	99
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Pioneer		3085 *	111.2	115.6		107	0.29	1.5	20.7	21780	71
Southern States		SS859CL	110.7	.		104	0.27	1.8	17.4	22216	80
Southland Genetics		SG1701	110.1	.		99	0.28	1.8	15.5	21889	91
NK		N 8811	108.8	123.6		105	0.27	1.3	18.4	21889	87
Southern States		SS900Bt	108.0	.		107	0.26	2.0	17.0	22542	82
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AgriPro		AP 9909	104.8	127.0		105	0.29	1.8	17.6	20147	92
DeKalb		DK 687	103.5	119.8		110	0.24	1.5	19.1	22978	99
DeKalb		DK 697	101.4	.		102	0.26	1.5	17.0	21780	99
Terra		TR 702E	98.3	126.0		100	0.27	1.8	19.6	21345	97
NK		N91-R9 *	86.0	.		100	0.26	2.0	20.2	19385	62
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Average			108.44	124.4		103	0.28	1.7	18.4	21635	89
LSD at 10% Level			13.4	N.S.5		5	0.04	N.S.	0.9	1348	11
Std. Err. of Entry Mean			5.6	3.6		2	0.02	0.2	0.4	566	4
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* Full-season hybrid.
1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 10.4%, and df for EMS = 42.
5. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore an 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:	March 22, 2000.
Harvested:	August 9, 2000.
Seeding Rate:	23,000 seeds/acre in 30" rows.
Soil Type:	Tifton loamy sand.
Soil Test:	P = High, K = Medium, and pH = 6.5.
Fertilization:	69 lb N, 70 lb P2O5, and 105 lb K2O/acre as preplant; 99 lb N/acre as sidedress.
Previous Crop:	Soybean.
Management:	Subsoiled, bedded, and rototilled; Aatrex, Prowl, and one cultivation used for weed control; Lorsban used for insect control; Nemacure used for nematode control.
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Test conducted by A. E. Coy and M. D. Pippin.
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