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
Tifton, Georgia:
Preliminary Corn Hybrid Performance, 2003, Irrigated
Company or
Brand Name
  Hybrid
Name
Yield1 Ears/100
Plants
Ear Grain
Weight
Grain
Quality2
Grain
Moist.3
Plant
Pop.
Erect
Plants
Leaf
Rust4
SCLB5
bu/acre no. lb rating % no. % rating rating
Pioneer 31G98 241.7 126 0.44 . 18.9 25592 100 3 3
DeKalb DKC69-71(RR/YGCB) 233.5 113 0.50 . 21.1 24938 100 2 1
SS E42175RR 231.6 105 0.48 . 19.1 26790 100 1 1
NK N91-R9 229.7 106 0.49 . 19.8 26027 100 3 1
Pioneer 32D99 228.7 102 0.47 . 19.9 27987 100 2 1
NK N 83-N5 222.9 108 0.45 . 19.3 27225 99 1 1
Terral TV2140nRR 222.4 103 0.47 . 19.5 27116 100 2 2
Dyna-Gro 58K22 221.6 103 0.47 . 19.0 26572 100 1 1
Terral TVX24R013 218.5 107 0.44 . 19.0 26898 100 3 2
CPES 03A12 213.1 99 0.48 . 20.9 27225 99 1 1
NK NX8201 212.2 101 0.45 . 19.1 27116 100 1 1
Terral TV2160Bt 211.9 110 0.43 . 19.6 26245 99 1 1
CPES 03A14 210.8 102 0.45 . 19.6 26898 97 1 1
Garst ND200YG1 208.0 104 0.46 . 19.2 25592 100 3 4
CPES X31605Bt 207.3 101 0.47 . 18.9 25374 100 1 1
DeKalb DKC67-60(RR) 206.3 112 0.41 . 18.5 26245 100 1 2
Greenwood 780 203.1 107 0.45 . 19.7 24938 99 2 1
NK NX7982 202.6 109 0.40 . 18.1 26681 100 3 2
AgraTech 31616 197.8 106 0.47 . 20.1 23522 99 1 3
AgraTech 31610 194.1 106 0.42 . 19.9 25701 99 1 1
CPES 03A10 192.0 100 0.45 . 21.0 25591 93 2 3
NK N82-B2 191.3 103 0.40 . 17.8 26681 100 2 3
Garst 8288 189.6 100 0.44 . 18.8 25265 99 3 1
CPES 03A9 188.1 102 0.43 . 20.0 25156 100 3 2
Dyna-Gro 58K56 183.0 103 0.39 . 19.4 26463 100 3 1
NK N75-C4 182.3 105 0.38 . 17.8 26027 99 2 2
CPES 03A8 181.6 100 0.46 . 20.3 23740 97 3 2
CPES 03A15 175.7 101 0.39 . 20.6 26898 95 1 1
Greenwood 865 167.9 104 0.47 . 28.9 22978 97 1 1
Greenwood 863 162.2 109 0.41 . 28.3 24067 99 1 1
AgraTech 31603 158.3 99 0.40 . 17.0 22978 100 1 2
NK NX8582 155.0 101 0.40 . 18.9 22434 100 2 1
CPES 03A11 154.1 102 0.35 . 20.7 25918 79 2 3
Average   200.0 6 105 0.44 . 19.9 25723 98 2 2
LSD at 10% Level 19.0 6 0.04 1.2 1842 2 - -
Std. Err. of Entry Mean 8.1 2 0.02   0.5 784 1 - -
1.  Yields calculated at 15.5% moisture.
2.  Grain quality rating:  1 = excellent to 5 = poor.
3.  Grain moisture at harvest.
4.  Leaf Rust rating:  1 = resistant to 5 = highly susceptible.
5.  Southern Corn Leaf Blight rating:  1 = resistant to 5 = highly susceptible.
6.  CV = 8.1%, and df for EMS = 96.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD
(P = 0.10).
Planted: April 4, 2003.
Harvested: August 16, 2003.
Seeding Rate: 28,000 seeds/acre in 30" rows.
Soil Type: Tifton loamy sand.
Soil Test: P = Medium, K = Medium, and pH = 6.3.
Fertilization: 182 lb N, 52 lb P2O5, and 182 lb K2O/acre as preplant; 122 lb N/acre as sidedress.
Previous Crop: Soybean.
Management: Paratilled, subsoiled and bedded, rototilled; Prowl, Atrazine, and Accent used for weed
control; Telone II used for nematode control; irrigated 2.5 inches.
Test conducted by A. E. Coy, M. D. Pippin, R. Burton, and R. E. Brooke.