The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia									Research Report Number 691 December 2003
									Table of Contents

Plains, Georgia: Late-Planted Soybean Variety Performance, 2003, Irrigated
			2-Year Average Yield		2003 Data
Company or Brand Name		Variety	2-Year Average Yield		Rank	Yield¹	Maturity	Plant Ht	Lodg.²	Wt of 100 Seed	Seed Quality³
			bu/acre			bu/acre	date	in	rating	gm	rating
Maturity Groups VII and VIII

Public Variety		NC Raleigh	55.7		1	55.5	10/18	32	1.7	14.5	1.7
USG		7732nRR	54.6		9	51.0	10/17	34	1.7	15.5	2.0
UGA		G98-1420	53.7		19	49.4	10/16	32	1.0	13.0	2.0
AGSouth		Haskell	53.5		7	51.6	10/16	35	2.0	15.5	3.0
AGSouth		Prichard RR	53.2		33	47.2	10/24	32	3.0	13.1	2.7

Public Variety		N7001	52.9		5	52.9	10/17	29	1.0	15.2	2.3
AGSouth		AGS 825RR	51.8		8	51.2	10/17	34	1.7	13.8	2.0
DPL		DP7220RR	50.9		29	48.0	10/16	35	1.3	12.8	2.3
Public Variety		Kuell	50.8		10	50.8	10/23	37	2.7	15.4	2.3
AGSouth		Benning	49.3		14	50.0	10/15	35	1.3	14.7	2.7

AGSouth		Prichard	49.1		41	44.4	10/20	32	2.0	14.6	2.3
NK		S73-Z5	49.0		24	48.5	10/15	36	1.0	13.3	2.3
Public Variety		Cook	48.0		18	49.4	10/17	34	1.7	16.9	2.7
NK		S76-L9	47.8		36	46.5	10/16	32	1.7	14.8	2.3
UGA		G01-FAP13	47.7		30	47.9	10/16	30	1.0	14.5	3.0

Pioneer		97B52	47.4		38	45.6	10/16	33	2.0	16.1	3.0
SS		RT7499N	46.7		35	46.5	10/17	36	1.0	13.5	2.0
Public Variety		Motte	46.4		42	43.7	10/17	37	2.0	14.7	3.0
Public Variety		Stonewall	45.5		22	48.6	10/16	33	1.3	16.3	2.0
Public Variety		Musen	43.6		40	44.5	10/16	27	2.7	13.8	3.0

UGA		G01-FAP8	43.2		43	42.0	10/17	29	1.0	14.9	3.7
UGA		G99-2982	.		2	54.1	10/17	31	1.0	14.4	1.7
USG		7713nRR	.		3	53.5	10/17	27	2.0	13.8	3.0
UGA		G99-3211	.		4	53.1	10/19	39	2.7	15.1	2.0
AGSouth		AgSouth 751	.		6	51.9	10/16	37	2.0	15.4	2.0

UGA		G99-2721	.		11	50.7	10/16	36	1.7	14.0	2.0
UGA		G99-1166	.		12	50.6	10/17	34	2.7	16.1	2.3
DynaGro		34J71	.		13	50.2	10/17	27	2.0	12.5	3.0
UGA		G02-G176376	.		15	49.7	10/16	32	1.0	13.2	2.0
DPL		DPX7870RR	.		16	49.7	10/16	35	1.3	12.8	1.3

Asgrow		AG7601	.		17	49.7	10/16	38	2.0	15.5	2.0
DynaGro		SX03176	.		20	49.3	10/16	38	1.7	15.0	2.7
Vigoro		V74N4RR	.		21	48.8	10/15	33	1.3	12.6	3.0
UGA		G02-G42164	.		23	48.6	10/17	33	1.3	12.1	2.0
UGA		G01-5533	.		25	48.4	10/14	32	1.0	14.6	2.0

UGA		G99-1308	.		26	48.3	10/19	36	3.3	12.8	2.3
Vigoro		V71N4RR	.		27	48.1	10/17	31	1.7	13.3	3.0
UGA		G01-5572	.		28	48.1	10/15	32	1.0	14.9	2.3
UGA		G99-2678	.		31	47.6	10/16	35	1.7	16.4	2.3
UGA		G99-2172	.		32	47.4	10/19	35	2.7	12.9	3.0

UGA		G99-2604	.		34	47.0	10/16	29	1.0	14.6	2.7
UGA		G01-5528	.		37	46.2	10/15	34	1.0	14.6	1.7
DynaGro		33Z74	.		39	44.5	10/15	37	2.0	13.5	2.7
USG		7743nRR	.		44	41.5	10/16	38	2.3	15.1	3.0

Average			49.6			48.7 ⁴	10/17	34	1.7	14.1	2.4
LSD at 10% Level			5.4			5.0	02	4	0.9	0.8	0.9
Std. Err. of Entry Mean			1.4			2.1	01	2	0.4	0.6	0.9

1. Yields calculated at 13% moisture.
2. Lodging rating: Rated 1 (all plants erect) to 5 (over 80% of plants down).
3. Seed quality rating: Rated 1 (very good) to 5 (very poor).
4. CV = 7.6% and df for EMS = 88.
Bolding within each test denotes entries with yields equal to the highest yielding entry based on Fisher's protected LSD (P = 0.10).
Planted:	June 24, 2003.
Harvested:	November 12, 2003.
Seeding Rate:	Ten seeds per foot in 30" rows.
Soil Type:	Greenville sandy loam.
Soil Test:	P = Medium, K = High, and pH = 6.1.
Fertilization:	15 lb N, 60 lb P₂O₅, and 60 lb K₂O/acre.
Previous Crop:	Corn.
Management:	Subsoiled and rototilled; Treflan, FirstRate, and Lasso used for weed control; Karate used for insect control; irrigated 1 inch.

Test conducted by A. E. Coy, M. D. Pippin, R. Burton, R. Brooke, T. Harsey, and R. R. Pines.