Calhoun, Georgia: Mid- and Full-Season Corn Hybrid Performance, 2000, Nonirrigated

Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia						Research Report Number 668 November, 2000
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Calhoun, 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.	%

NK		N91-R9 *	112.9	.	105	0.40	1.5	18.2	16009	87
Pioneer		3085 *	110.8	86.4	108	0.29	1.4	18.2	20364	79
Pioneer		3163	110.3	84.4	102	0.32	1.5	16.7	19167	79
NK		N 8811	104.8	88.9	103	0.34	1.3	16.9	17424	100
Southern States		SS900Bt	104.8	.	110	0.30	1.9	17.3	18622	93

DeKalb		DK 697	103.7	.	103	0.30	1.6	16.8	19058	90
Pioneer		31R88	95.8	.	102	0.31	2.1	16.5	17533	90
Southern States		SS859CL	93.5	.	102	0.28	2.1	15.4	18404	84
Garst		8220	80.4	.	109	0.25	2.9	14.3	16653	96

Average			101.9⁴	86.6	105	0.31	1.8	16.7	18137	89
LSD at 10% Level			17.6	N.S.⁵	N.S.	0.06	0.6	2.0	1521	N.S.
Std. Err. of Entry Mean			7.3	6.1	4	0.03	0.2	0.8	628	6

* 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 = 14.3%, and df for EMS = 24.
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:	April 11, 2000.
Harvested:	September 9, 2000.
Seeding Rate:	23,000 seeds/acre in 30" rows.
Soil Type:	Rome gravelly clay loam.
Soil Test:	P = High, K = Medium, and pH = 6.2.
Fertilization:	40 lb N, 45 lb P₂O₅, and 90 lb K₂O/acre as preplant; 100 lb N/acre as sidedress.
Previous Crop:	Soybean.
Management:	Moldboard plowed and rototilled; Aatrex and Lasso used for weed control.

Test conducted by P. A. Rose, G. Rawls, and J. Stubbs.
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Last Updated on 11/13/00