2002 Corn Performance Tests Table of Contents
The Georgia Agricultural Experiment Station
College of Agricultural and Environmental Sciences
The University of Georgia
Research Report Number 684
October 2002
Quincy, Florida:
Mid and Full-Season Corn Hybrid Performance, 2002, Irrigated
Yield1
Company or
Brand Name
  Hybrid
Name
2002 3-Year
Average
  Ears/100
Plants
Ear Grain
Weight
Grain
Quality2
Grain
Moisture3
Plant
Population
Erect
Plants
bu/acre no. lb rating % no. %
DeKalb              DKC68-70(YG) 158.2     .  156 0.28 1.5 21.9 22096 100
DeKalb              DKC69-70(YG) 131.5     .  171 0.20 1.5 18.3 22411 100
DeKalb              DK687RR      120.9     .  146 0.23 2.0 21.6 21859 100
NK                  N 83-N5      120.4  151.4 172 0.19 2.1 16.3 21307 100
DeKalb              DK 697       116.2  150.1 191 0.16 2.4 15.9 21464 100
Asgrow              RX897RR      111.6     .  136 0.22 2.0 16.0 21543 100
Croplan Genetics    702          109.8  144.4 136 0.22 2.1 19.1 21780   99
Garst/AgriPro       8288         103.7  133.9 200 0.15 2.9 17.2 20281 100
Southern States     SS842RR      101.4     .  185 0.15 3.1 19.4 21780 100
Pioneer             31R88          82.3  125.0 177 0.12 3.3 17.9 22175 100
FL    Tex-Cuban      79.2     .  147 0.18 3.2 26.9 19084   88
NK                  N91-R9 *   78.7  122.8 158 0.13 2.6 16.7 21780 100
Garst               8118RR         74.8     .  123 0.17 2.8 18.7 20517   97
Average                           106.84  137.9 161 0.18 2.4 18.9 21390 99
LSD at 10% Level 13.6 10.8 16 0.02 0.5 1.2 1026 4
Std. Err. of Entry Mean 5.7 4.5   7 0.01 0.2 0.5 430 2
*  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 = 10.6%, and df for EMS = 36.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD
(P = 0.10).
Planted: March 25., 2002.
Harvested: August 20, 2002.
Seeding Rate: 25,500 seeds/acre in 36" rows.
Soil Type: Dothan sandy loam.
Soil Test: P = Medium, K = Medium, and pH = 5.6.
Fertilization: 18 lb N, 54 lb P2O5, and 108 lb K2O/acre as preplant; 153 lb N/acre as sidedress.
Previous Crop: Soybean.
Management: Subsoiled and strip tilled; Aatrex, Prowl, Permit and Accent used for weed control;
Phorate and Lorsban used for insect control; irrigated 5.0 inches.
Test conducted by B. Kidd and R. Beasley.