The Georgia Agricultural Experiment Stations
College of Agricultural and Environmental Sciences
The University of Georgia

1999 Soybean, Sorghum Grain and Silage,
Grain Millet, and Summer Annual Forages Performance Tests

Research Report Number 663
February, 2000

J. LaDon Day, Anton E. Coy, and Paul A. Rose, Editors



Marianna, Florida: Early-Planted Grain Sorghum Hybrid Performance, 1999, Irrigated
Company or Brand Name Hybrid Yield1 2-Year Average Yield Test Wt. 50% Bloom2 Plant Ht. Lodging Disease3 Bird Damage4
  bu/acre bu/acre lb/bu days in % rating %
 
NK KS989 122.4 . . 70 66 30 . .
DeKalb DK54 114.7 . . 67 60 33 . .
DeKalb DK55 111.2 . . 67 55 33 . .
Novartus 936 107.5 . . 68 57 33 . .
Pioneer 83G66 104.6 . . 65 58 33 . .
 
Pioneer 8282 104.5 . . 67 60 30 . .
Pioneer 8305 102.9 . . 68 63 28 . .
CSC 1489 99.0 . . 64 57 33 . .
CSC CSC0380 97.2 . . 62 57 30 . .
Dekalb DK53 92.7 . . 71 57 30 . .
 
AgriPro X71062 91.9 . . 65 49 30 . .
DeKalb DK50A 91.7 . . 65 56 30 . .
Southern States SS800 89.1 . . 64 53 30 . .
DeKalb DK58 89.0 . . 72 56 30 . .
NK K91-T5 87.2 . . 70 58 30 . .
 
NK X633 86.7 . . 63 51 30 . .
Pennington Penngrain Dr 85.5 . . 63 51 28 . .
Southland Exp. 1414 84.1 . . 62 51 35 . .
UF 98 AT630 84.0 . . 80 56 30 . .
Southland Y303E 83.4 . . 63 46 28 . .
 
HyPerformer HSC Wings 83.1 . . 67 56 30 . .
NK K73-J6 82.4 . . 66 52 30 . .
NK KS 711Y 77.2 . . 63 42 38 . .
NK X416 72.4 . . 62 50 33 . .
NK X418 65.5 . . 60 46 38 . .
 
Average 92.45 . . 66 54 31 . .
LSD at 10% Level 9.3   2 4 4  
Std. Err. of Entry Mean 4.0   1 2 2  
1. Yields calculated at 14% moisture.
2. Days from planting to 50% bloom.
3. Rated 1 = resistant to 5 = susceptible to foliar diseases.
4. Percent of grain head damaged.
5. CV = 8.7% and df for EMS = 76.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted: April 15, 1999.
Harvested: August 10, 1999.
Seeding Rate: Nine seed/acre in 36" rows.
Soil Type: Chipola loamy sand.
Soil Test: P = Medium, K = Medium, and pH = 6.6.
Fertilization: Preplant: 103 lb N, 115 lb P2O5, and 103 lb K2O/acre. Sidedress: 80 lb N/acre.
Previous Crop: Peanuts.
Management: Moldboard plowed and disked; Aatrex used for weed control; Sevin used for insect control; irrigated 7 inches.
 
Test conducted by D. Gorbet and C. Ripple.


Marianna, Florida: Late-Planted Grain Sorghum Hybrid Performance, 1999, Irrigated
Company or Brand Name Hybrid Yield1 2-Year Average Yield Test Wt. 50% Bloom2 Plant Ht. Lodging Disease3 Bird Damage4
  bu/acre bu/acre lb/bu days in % rating %
 
Pioneer 83G66 96.8 . . 60 59 30 . .
NK KS989 96.6 . . 68 73 30 . .
UF 98 AT630 75.3 . . 67 62 30 . .
DeKalb DK54 73.6 . . 67 63 30 . .
Pioneer 8305 72.1 . . 60 59 27 . .
 
NK K91-T5 65.3 . . 70 63 30 . .
Dekalb DK53 64.8 . . 68 60 30 . .
Southland Y303E 60.7 . . 59 58 33 . .
DeKalb DK50A 59.7 . . 62 60 30 . .
NK X633 55.4 . . 61 54 37 . .
 
NK KS 711Y 52.7 . . 59 45 33 . .
Southern States SS800 48.5 . . 57 51 60 . .
Pennington Penngrain Dr 48.5 . . 57 53 40 . .
CSC 1489 48.1 . . 59 55 85 . .
NK X416 45.5 . . 61 49 40 . .
 
HyPerformer HSC Wings 44.9 . . 60 57 60 . .
DeKalb DK55 41.9 . . 69 66 33 . .
NK K73-J6 41.0 . . 62 57 60 . .
DeKalb DK58 40.9 . . 65 58 57 . .
Southern States SS115 40.6 . . 56 47 50 . .
 
AgriPro X71062 40.0 . . 60 51 40 . .
CSC CSC0380 36.6 . . 58 55 90 . .
Southland Exp. 1414 33.8 . . 57 52 70 . .
NK X418 30.6 . . 59 47 47 . .
 
Average 54.75 . . 62 56 45 . .
LSD at 10% Level 11.4   2 2 10  
Std. Err. of Entry Mean 4.8   2 2 4  
1. Yields calculated at 14% moisture.
2. Days from planting to 50% bloom.
3. Rated 1 = resistant to 5 = susceptible to foliar diseases.
4. Percent of grain head damaged.
5. CV = 15.2% and df for EMS = 46.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's protected LSD (P = 0.10).
Planted: July 15, 1999.
Harvested: November 16, 1999.
Seeding Rate: Nine seed/acre in 36" rows.
Soil Type: Chipola loamy sand.
Soil Test: P = Medium, K = Medium, and pH = 6.7.
Fertilization: Preplant: 103 lb N, 115 lb P2O5, and 103 lb K2O/acre. Sidedress: 80 lb N/acre.
Previous Crop: Peanuts.
Management: Moldboard plowed and disked; Aatrex used for weed control; Sevin used for insect control; irrigated 5 inches.
 
Test conducted by D. Gorbet and C. Ripple