1998 Corn Performance Tests

The University of Georgia
GAES Research Report Number 657
November 1998

High Oil Corn Test Results

Tifton, Georgia:
High Oil Corn Hybrid Performance, 1998, Irrigated

		Yield¹
Company or Brand Name	Hybrid Name	1998	3-Year Average	Ears/100 Plants	Ear Grain Weight	Grain Quality²	Grain Moisture³	Harvest Population	Erect Plants

		bu/acre		no.	lb	rating	%	plants/acre	%

Pioneer	32R90	174.5	.	100	0.36	2.5	17.5	28017	99
Grabow	71605TC3	171.8	.	110	0.32	2.3	17.9	28017	100
Grabow	71593TC5	168.2	.	101	0.34	2.5	17.3	28314	100
NK	N6423TC	167.8	.	100	0.33	2.3	16.8	29403	98
Garst	8366TC2	167.8	.	100	0.35	2.3	17.6	27522	99

Grabow	71617TC5	167.6	.	99	0.34	2.0	17.8	28710	100
NK	N5220TC	166.3	.	100	0.33	2.0	16.4	28710	97
Grabow	71580TC3	164.0	.	98	0.34	2.5	18.0	28512	100
Beck	X5727TC	163.7	.	104	0.31	2.3	17.9	29403	99
Grabow	71577TC4	163.1	.	100	0.33	2.5	16.9	28116	99

Grabow	71580TC5	162.6	.	100	0.32	2.0	17.9	29106	100
Beck	6205TC	161.5	.	99	0.33	2.0	17.7	28413	99
Pioneer	3245-S	161.2	.	100	0.32	1.8	17.4	29205	98
Grabow	71605TC	160.6	.	109	0.32	2.0	17.5	26631	97
Grabow	71580TC	160.1	.	101	0.34	2.3	17.1	26532	99

Grabow	71593TC	159.2	.	99	0.36	2.3	17.5	25839	100
Grabow	71530TC3	158.7	.	104	0.33	1.8	17.8	26730	99
Grabow	71617TC3	158.7	.	101	0.31	2.3	17.4	29106	99
Grabow	71593TC3	156.7	.	100	0.32	2.3	17.7	28116	100
Grabow	71577TC3	156.6	.	100	0.30	2.3	17.6	29898	99

Wilson	EDX 30	155.2	.	100	0.34	2.0	19.9	27225	100
Grabow	71545TC	154.5	.	100	0.31	2.3	16.8	28512	97
Grabow	71580TC4	153.9	.	100	0.36	2.3	17.7	24849	97
Grabow	71611TC5	153.4	.	108	0.32	2.0	18.3	25839	100
Grabow	71593TC-S	151.8	.	98	0.34	2.5	17.1	26334	99

Grabow	71605TC5	151.6	.	107	0.32	2.3	18.1	26136	99
Grabow	81540TC	149.6	.	102	0.30	2.5	17.1	28314	99
Grabow	71530TC	149.0	.	103	0.31	2.0	18.2	27225	97
Grabow	71607TC4	148.0	.	109	0.30	2.5	19.0	26928	98
Grabow	71611TC3-S	144.5	.	104	0.31	2.0	17.5	25443	99

Grabow	71607TC3	142.8	.	109	0.29	2.5	18.9	26037	100
Grabow	71607TC5	142.7	.	104	0.35	2.0	18.9	23364	99
Grabow	81562TC	142.2	.	109	0.31	1.8	18.1	24354	97
Galilee	OIS1339	141.4	.	98	0.30	2.3	19.8	28413	93
Grabow	71607TC	137.4	.	108	0.29	2.8	18.9	25344	95

DeKalb	DK595TC	133.6	.	98	0.29	2.0	15.8	26631	98
Wilson	EDX 92	133.3	.	100	0.30	2.0	18.8	26235	94
Greenwood	800	130.5	.	104	0.27	1.3	21.3	28215	96
Grabow	71611TC3	128.8	.	101	0.29	2.0	18.6	26037	99
Grabow	71617TC4	127.4	.	104	0.27	2.0	18.1	26235	98

Average		153.5⁴	.	102	0.32	2.2	17.9	27299	98
LSD at 10% Level		14.0		4	0.04	0.5	0.8	1864	3
Std. Err. of Entry Mean		6.0		2	0.01	0.2	0.3	800	1

1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 7.8%, and df for EMS = 118.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	March 31, 1998.
Harvested:	August 19, 1998.
Seeding Rate:	31,500 seeds/acre in 30" rows.
Soil Type:	Tifton loamy sand.
Soil Test:	P = Medium, K = Medium, and pH = 6.4.
Fertilization:	70 lb N, 140 lb P₂O₅, and 210 lb K₂O/acre as preplant; 154 lb N and 27 lb S/acre as sidedress.
Previous Crop:	Peanut.
Management:	Chisel plowed, subsoiled, and rototilled; Prowl and Atrazine used for weed control; Lorsban used for insect control; irrigated 10 inches.

Test conducted by A. E. Coy and M. Pippin.

Plains, Georgia:
High Oil Corn Hybrid Performance, 1998, Irrigated

		Yield¹
Company or Brand Name	Hybrid Name	1998	3-Year Average	Ears/100 Plants	Ear Grain Weight	Grain Quality²	Grain Moisture³	Harvest Population	Erect Plants

		bu/acre		no.	lb	rating	%	plants/acre	%

Pioneer	3245-S	163.4	.	105	0.36	3.0	22.1	26235	100
Grabow	71617TC5	153.9	.	101	0.32	3.0	20.8	28017	99
Grabow	71593TC	146.2	.	97	0.33	3.0	18.9	26829	97
Garst	8366TC2	143.6	.	103	0.31	3.3	19.4	26631	89
Grabow	71593TC-S	142.9	.	99	0.31	4.0	19.5	27027	97

Grabow	71611TC5	139.6	.	102	0.31	3.0	21.2	26730	98
Wilson	EDX 30	135.7	.	98	0.32	2.3	22.9	26730	96
NK	N6423TC	135.6	.	102	0.29	3.3	17.0	26235	94
Grabow	71611TC3	135.3	.	98	0.31	4.0	21.8	27423	99
Grabow	71580TC3	135.2	.	100	0.31	4.0	20.1	25542	95

NK	N5220TC	133.8	.	105	0.28	2.5	16.9	26037	94
Grabow	71577TC3	133.3	.	100	0.28	3.0	16.8	27522	97
Pioneer	32R90	132.3	.	103	0.29	2.8	21.6	27027	99
Grabow	71530TC3	132.0	.	106	0.31	3.0	20.4	24255	92
Grabow	71617TC3	130.1	.	98	0.29	3.0	22.5	28215	98

Grabow	71580TC	129.9	.	97	0.32	3.5	20.3	24948	96
Beck	6205TC	128.9	.	99	0.28	3.8	20.4	27819	96
Grabow	71611TC3-S	126.3	.	101	0.27	3.0	20.3	27522	97
Beck	X5727TC	126.2	.	101	0.30	2.8	19.7	24849	93
Grabow	81562TC	126.1	.	107	0.27	2.8	19.5	25938	93

Grabow	81533TC5	125.6	.	102	0.29	3.5	19.6	25443	98
Grabow	71593TC3	123.6	.	97	0.29	3.8	21.5	26235	99
Grabow	71593TC5	123.1	.	103	0.27	3.3	18.7	25542	97
Grabow	71530TC	122.7	.	101	0.29	3.3	19.8	25047	88
Grabow	71577TC4	120.4	.	96	0.26	3.8	18.5	28512	95

Grabow	81533TC	120.0	.	102	0.31	3.3	20.3	22869	96
Grabow	71580TC4	119.2	.	98	0.29	3.8	21.9	25740	93
Grabow	71605TC3	119.0	.	109	0.28	2.8	18.6	23067	91
Grabow	81540TC	116.3	.	107	0.26	4.0	19.4	24948	97
Grabow	71580TC5	114.3	.	98	0.26	3.8	19.8	27027	96

Grabow	71607TC3	114.2	.	99	0.27	4.5	23.6	26829	95
Grabow	71605TC	113.0	.	116	0.26	3.3	18.5	21780	80
Grabow	71605TC5	112.5	.	111	0.25	3.3	18.7	23166	84
Grabow	81533TC3	112.2	.	106	0.26	3.5	20.3	24552	97
Wilson	EDX 92	112.1	.	104	0.26	3.0	20.5	24552	95

Grabow	71545TC	111.0	.	99	0.29	3.5	17.1	23265	99
Grabow	71617TC4	108.2	.	97	0.25	3.5	20.5	26928	96
Galilee	OIS1339	107.4	.	96	0.27	3.0	26.0	26136	86
Grabow	71607TC4	105.5	.	99	0.26	4.8	23.3	25641	93
Grabow	71607TC	104.3	.	98	0.25	4.0	23.4	26136	98

DeKalb	DK595TC	103.9	.	97	0.22	2.8	15.7	27324	96
Grabow	71607TC5	99.8	.	102	0.22	3.8	22.6	26730	94
Greenwood	800	89.6	.	96	0.23	2.0	25.6	26136	95

Average		123.9⁴	.	101	0.28	3.3	20.4	25933	95
LSD at 10% Level		17.8		6	0.05	0.7	2.4	2136	6
Std. Err. of Entry Mean		7.6		3	0.02	0.3	1.0	916	3

1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 12.3%, and df for EMS = 127.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted:	April 6, 1998.
Harvested:	August 11, 1998.
Seeding Rate:	31,600 seeds/acre in 30" rows.
Soil Type:	Greenville sandy clay loam.
Soil Test:	P = Medium, K = Medium, and pH = 6.1.
Fertilization:	100 lb N, 112 lb P₂O₅, and 112 lb K₂O/acre as preplant; 150 lb N/acre as sidedress.
Previous Crop:	Soybean.
Management:	Disked, subsoiled, and rototilled; cultivated twice for weed control; irrigated 12 inches.

Test conducted by A. E. Coy and M. Pippin.