The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia
Research Report Number 691
December 2003
Table of Contents
Griffin, Georgia:
Early-Planted Sorghum Hybrids for Silage, 2003, Irrigated
Company or Hybrid Name Forage Yields Plant Dry 2-Yr. Avg
Brand Name   or Number Dry Green Height Matter Dry Yield
--- tons/acre --- in % tons/acre
Moss 4Ever Green 9.1 36.1 110.5 25 9.2
NK SS405 9.1 32.2 111.8 28 9.7
NK SS506 7.6 27.3 111.5 28 .
NK 1990 7.5 28.2 114.3 26 8.4
Southern States SS1515F 7.0 17.1 86.0 41 7.4
Pennington 352/40 6.8 25.2 108.3 27 .
NK NK300 6.8 17.5 84.0 39 7.0
Seed Resource FS555 6.5 23.0 84.0 28 .
Seed Resource FS575 6.5 22.2 99.0 29 .
SS SS-85F 6.1 18.9 91.8 33 6.8
Moss 4Ever Green BMR 5.9 23.3 108.8 25 .
Moss Millennium BMR 4.9 14.1 98.3 35 5.0
Pennington Penn02BMR 3.3 10.1 96.3 34 .
Average   6.7 1 22.7 100.3 31 7.6
LSD at 10% Level 1.1 3.8 8.8 4 0.8
Std. Err. of Entry Mean 0.5 1.6 3.7 2 0.4
1.  CV = 14.2% 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: June 2, 2003.
Harvested: September 26, 2003.
Seeding Rate: 150,000 seed/acre in 30" rows.
Soil Type: Pacolet sandy clay loam.
Soil Test: P = Medium, K = High, and pH = 6.4.
Fertilization: Preplant:  28 lb N, 56 lb P2O5, and 84 lb K2O/acre.  Sidedress:  100 lb N/acre.
Previous Crop: Fallow.
Management: Chisel plowed, disked, and rototilled; Aatrex and one cultivation used for weed control;
irrigated 1.0 inch.
Test conducted by P. A. Rose.