The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia
2003 Corn Performance Tests
Research Report Number 690
October 2003
Table of Contents
Calhoun, Georgia:
Evaluation of Corn Hybrids for Silage, 2003, Irrigated
Company or Hybrid Maturity Forage Yield Dry Grain Plant 2-Yr Avg
Dry Forage
Brand Name   Name Class   Dry Green   Matter Portion Population Yield
tons/acre % % no. tons/acre
Pioneer 32D99 S 9.1 24.5 37.2 54 26555 .
NK N 83-N5 M 7.5 16.2 45.9 52 22698 10.0
Southern States SS842RR M 7.1 20.1 35.5 56 27009 10.2
DeKalb DKC69-71(RR/YGCB) M 7.0 16.7 41.6 54 26830 .
NK 1851W S 6.8 18.4 37.3 49 24829 10.2
NK N91-R9 F 6.7 20.4 32.9 51 26539 9.2
Croplan Genetics 827RR S 6.7 19.1 35.1 48 22780 8.7
Croplan Genetics DS830 M 6.6 15.3 43.0 57 27991 .
Greenwood 863 F 6.5 22.7 28.5 41 27805 .
Pioneer 33J56 S 6.4 14.9 42.7 60 23740 .
Garst 8230IT M 6.4 17.5 36.5 54 27516 .
AgraTech 1836 F 6.2 17.0 36.8 42 25393 8.2
Greenwood 865 F 6.2 23.4 26.8 31 22043 .
Croplan Genetics 780RR/Bt M 6.2 16.5 37.4 52 23740 .
Pioneer 33V15 S 6.2 13.8 44.4 56 28051 .
Dyna-Gro 58K22 S 6.2 15.1 41.2 53 22698 .
AgraTech 919RR M 6.1 15.4 39.6 53 23350 .
DeKalb DKC67-60(RR) S 6.0 18.4 32.4 51 23304 .
Greenwood 780 M 5.9 16.0 37.0 51 20084 7.5
Croplan Genetics 895Bt M 5.8 14.8 38.7 55 25092 .
Golden Acres 7511 M 5.7 13.0 43.5 54 22216 .
Dyna-Gro 58K56 M 5.6 15.0 37.2 54 23279 .
Garst 8288 M 5.3 12.9 41.1 61 20473 8.6
AgraTech 1020 F 5.3 15.5 33.9 43 18731 .
Greenwood 835 F 5.1 18.3 27.6 44 20669 8.5
Golden Acres 8681FQ M 4.9 13.3 36.6 52 19794 .
Average   6.3 1 17.1 37.3 51 23970 9.0
LSD at 10% Level 1.1 2.4 4.1 5 2266 1.7
Std. Err. of Entry Mean     0.4 1.0   1.7 2 962 0.7
1.  CV = 14.2%, and df for EMS = 75.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected
LSD (P = 0.10).
Planted: April 15, 2003.
Harvested: August 25, 2003.
Seeding Rate: 29,000 seeds/acre in 30" rows.
Soil Type: Waynesboro loam.
Soil Test: P = High, K = High, and pH = 6.4.
Fertilization: 75 lb N, 90 lb P2O5, and 180 lb K2O/acre as preplant; 200 lb N/acre as sidedress.
Previous Crop: Soybean.
Management: Subsoiled, chisel plowed, disked, and rototilled; Aatrex, Lasso, and Accent used for weed control;
irrigated 0 inches.
Test conducted by P. A. Rose, G. Rawls, and J. Stubbs.