Tifton, Georgia: Mid- and Full-Season Corn Hybrid Performance, 2000, Irrigated

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, Irrigated
			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	222.6	218.4	105	0.45	1.5	13.7	25701	77
Southland Genetics		SG1701	220.0	.	99	0.46	1.8	13.4	26572	90
Southern States		SS900Bt	215.1	.	114	0.40	2.0	13.4	26245	67
DeKalb		DK 687	211.5	207.6	137	0.32	1.8	14.2	27007	92
NK		N 83-N5	208.6	195.3	107	0.40	1.5	13.2	26245	75
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DeKalb		DK 697	207.8	.	115	0.38	1.3	14.4	26463	70
Southern States		SS859CL	207.1	.	106	0.41	1.0	13.6	26354	65
Pioneer		3085 *	201.8	181.6	111	0.40	1.8	15.1	25483	59
Pioneer		31R88	201.0	.	103	0.42	1.3	14.4	26027	91
NK		N 8811	199.2	192.6	105	0.40	1.5	15.0	26681	82
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Terra		TR 702E	197.7	198.8	101	0.41	1.3	14.1	26245	83
AgriPro		AP 9909	191.7	196.9	110	0.39	1.5	14.0	24830	85
AgriPro		AP 9939	188.4	185.2	100	0.40	2.0	13.5	26027	96
Pioneer		3146	183.5	184.7	102	0.41	1.3	14.2	24394	84
NK		N91-R9 *	182.0	.	106	0.39	2.0	15.4	24720	88
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Average			202.5⁴	195.7	108	0.40	1.6	14.1	25933	80
LSD at 10% Level			17.8	9.0	8	0.04	0.6	0.3	N.S.⁵	N.S.
Std. Err. of Entry Mean			7.5	3.8	3	0.02	0.2	0.1	716	10
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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 = 7.4%, 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 23, 2000.
Seeding Rate:	27,500 seeds/acre in 30" rows.
Soil Type:	Tifton loamy sand.
Soil Test:	P = High, K = Medium, and pH = 6.2.
Fertilization:	99 lb N, 130 lb P₂O₅, and 195 lb K₂O/acre as preplant; 198 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; irrigated 11.0 inches.
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Test conducted by A. E. Coy and M. D. Pippin.
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