The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia		 Table of Contents
2002 Soybean, Sorghum Grain and Silage, Grain Millet, and Summer Annual Forages Performance Tests
Research Report Number 685
December 2002
Tifton, Georgia:
Late-Planted Grain Sorghum Hybrid Performance, 2002
Nonirrigated
Company or
Brand Name		 Hybrid Yield1 2-Year
Average
Yield		 Test
Wt.		 50%
Bloom2		 Plant
Ht.		 Lodging Disease3 Bird
Damage
bu/acre bu/acre lb/bu days in % rating %
Pioneer           83G66          48.0  66.1  56.1 64 41   0 1 .
Seed Resource     SR522          41.7    .   54.6 63 36   0 1 .
Southland         RS280E         36.2  67.2  61.9 66 49   0 1 .
DeKalb            DKS54-00       33.8  59.8  48.4 66 46   0 1 .
Seed Resource     SR544          33.3    .   50.2 65 44   3 1 .
Asgrow            Missile        33.1  61.5  49.9 63 42   0 1 .
DeKalb            DKS51-90       32.3  49.6  42.3 65 44   5 1 .
Asgrow            A571           32.0  49.8  42.3 61 41 20 2 .
FL                FSR2           28.9    .   53.6 71 48   0 1 .
Southland         Y360           28.8  49.5  42.0 63 47 13 2 .
SS                SS800          27.8  37.6  42.5 60 38 40 3 .
NK                NK8828         27.3    .   51.0 69 47   0 1 .
DeKalb            DK53           25.9  44.2  49.6 69 43   0 1 .
DynaGro          X1753          25.7    .   46.7 61 37 76 4 .
NK                X654           23.9    .   42.8 61 41   5 1 .
NK                K73-J6         22.9  49.0  38.5 61 37   8 1 .
FL                FSR1           22.8    .   53.9 71 50   0 1 .
CSC X1464          22.5    .   41.0 62 40 54 3 .
DynaGro          X1763          20.8    .   36.1 62 42 48 3 .
Pennington        Penngrain Dr   19.5  30.5  37.0 60 38 65 4 .
CSC               X3064          19.4    .   37.1 62 39 60 4 .
DynaGro          X1754          18.6    .   33.2 61 40 60 4 .
NK                KS524          18.0    .   33.7 54 37 83 5 .
CSC               1481           17.6    .   32.2 61 39 57 4 .
SS                SS-650         14.8  20.1  30.7 63 41 28 2 .
Average                           27.04  48.7  44.3 63 42 25 2 .
LSD at 10% Level  7.2  11.7  6.3 2 4 21 1
Std. Err. of Entry Mean  3.0  4.9  2.7 1 2 9 1  
1.  Yields calculated at 14% moisture.
2.  Days from planting to 50% bloom.
3.  Rated 1 = resistant to 5 = susceptible to foliar diseases.
4.  CV = 22.6% and df for EMS = 72.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected
LSD (P = 0.10).
Planted: July 12, 2002.
Harvested: October 28, 2002.
Seeding Rate: 150,000 seed/acre in 30" rows.
Soil Type: Tifton loamy sand.
Soil Test: P = Low, K = Medium, and pH = 6.0.
Fertilization: Preplant:  80 lb N, 80 lb P2O5, and 80 lb K2O/acre.  Sidedress:  58 lb N/acre.
Previous Crop: Grain sorghum.
Management: Subsoiled and bedded, rototilled; Aatrex, Permit, and one cultivation used for weed control;
Lorsban used for insect control.
Test conducted by A. E. Coy, M. D. Pippin, and J. L. Day.