The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia
Research Report Number 691
December 2003
Table of Contents
Marianna, Florida:
Late-Planted Grain Sorghum Hybrid Performance, 2003
Irrigated
Company or
Brand Name
Hybrid Yield1 2-Year
Average
Yield
Test
Wt.
50%
Bloom2
Plant
Ht.
Lodging Disease3
bu/acre bu/acre lb/bu days in % rating
NK NK8416 81.5 . . 60 62 5 4
DeKalb DKS54-00 67.5 66.4 . 65 55 5 5
DynaGro X17F90 63.4 . . 59 59 10 7
FL 03FSR1 59.2 56.8 . 66 57 10 4
FL 03FSR2 57.4 58.6 . 76 60 5 2
Pioneer 83G66 55.2 55.8 . 56 57 10 8
FL 02GS-2 53.3 . . 67 61 10 4
NK NK8828 48.3 46.6 . 65 49 5 7
NK NK7633 43.1 . . 56 49 5 10
FL 03FSR3 41.4 . . 67 62 10 4
FL 02GS-9 39.3 . . 64 61 10 7
Asgrow A571 39.2 40.4 . 55 53 2 10
DeKalb DKS53-11 39.2 . . 64 53 5 7
CSC 1481 34.3 38.2 . 54 51 60 10
DynaGro X1754 34.1 32.7 . 54 51 60 10
SS SS800 31.2 32.5 . 55 48 30 10
Monsanto X234 30.9 . . 62 48 10 9
DynaGro X1763 30.7 31.4 . 56 50 60 10
Pennington Penngrain Dr 30.5 32.8 . 53 48 60 10
Monsanto X204 27.9 . . 57 51 10 9
DynaGro X1753 27.6 30.8 . 54 48 60 10
Crosbyton X1464 27.1 33.1 . 54 48 60 10
Crosbyton X3064 22.8 33.9 . 55 49 60 10
SS SS-650 19.3 23.8 . 55 48 60 10
Average   41.9 4 40.9 . 67 53 26 8
LSD at 10% Level 10.1 7.1 - 3 - -
Std. Err. of Entry Mean 4.3 3.0   - 1 - -
1.  Yields calculated at 14% moisture.
2.  Days from planting to 50% bloom.
3.  Rated 1 = resistant to 10 = susceptible to foliar diseases.
4.  CV = 20.0% and df for EMS = 69.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected
LSD (P = 0.10).
Planted: July 10, 2003.
Harvested: October 21, 2003.
Seeding Rate: 130,000 seed/acre in 36" rows.
Soil Type: Chipola loamy sand
Fertilization: Preplant:  73 lb N, 36 lb P2O5, and 72 lb K2O/acre.  Sidedress:  100 lb N/acre.
Management: Moldboard plowed and disked; Atrazine used for weed control; Karate used for
insect control; irrigated 4.5 inches.
Test conducted by M. Gomillion.