The University of Georgia
GAES Research Report Number 657
November 1998
Grain Tests Results
 

Coastal Plain Region of Georgia:
Summary of Corn Hybrid Performance, 1998
                                               Yield                                               
Company or Brand Name Variety Coastal Plain Average Tifton Nonirr. Midville Nonirr. Nonirr. Average Tifton Irr. Plains Irr. Irrigated Average
--------------------------------------------- bu/acre ---------------------------------------------
Short Season  
 
Pioneer 3245-S 165.6 132.9 . 132.9 227.1 136.9 182.0
Pioneer 3245 164.8 134.6 . 134.6 217.0 142.9 179.9
NK N79-P4 160.9 138.8 . 138.8 195.0 148.9 171.9
Terra TR 1154 158.9 142.1 . 142.1 201.4 133.1 167.3
Funk's G 4581 158.9 146.5 . 146.5 194.3 135.8 165.0
 
Garst 8222IT 156.9 106.6 . 106.6 212.8 151.3 182.1
Pioneer 32k61 156.4 137.0 . 137.0 201.2 131.1 166.2
AgraTech 787 155.4 124.5 . 124.5 201.4 140.5 170.9
Pioneer 3223 155.2 136.2 . 136.2 206.8 122.7 164.7
HyPerformer HY 9646 154.9 115.2 . 115.2 199.5 149.9 174.7
 
Pioneer 33G26 152.2 136.5 . 136.5 205.3 114.9 160.1
Grabow 71611TC3-S 152.0 126.2 . 126.2 198.3 131.5 164.9
NK N 7931 151.4 138.3 . 138.3 187.4 128.5 158.0
Funk's G 5516 151.2 140.7 . 140.7 193.5 119.3 156.4
HyPerformer HS 9843 151.1 127.5 . 127.5 189.2 136.6 162.9
 
Garst 8396IT 149.2 135.5 . 135.5 196.5 115.6 156.1
Grabow 71593TC-S 148.9 137.3 . 137.3 206.0 103.5 154.8
AgriPro AP 9707 148.6 120.6 . 120.6 204.3 121.0 162.6
AgraTech ATX721 147.8 131.6 . 131.6 188.5 123.3 155.9
Funk's G 5510-A 147.8 111.1 . 111.1 206.6 125.5 166.1
 
Grabow 71593 146.1 149.9 . 149.9 187.8 100.5 144.2
NK N73-N8 144.7 120.1 . 120.1 192.9 121.3 157.1
DeKalb DK 668 143.7 115.8 . 115.8 190.1 125.4 157.7
AgraTech ATX770 142.6 117.5 . 117.5 184.8 125.6 155.2
Asgrow RX 913 141.1 116.1 . 116.1 189.0 118.2 153.6
 
Garst N5254 137.7 109.4 . 109.4 185.7 117.9 151.8
Southland SS-4115 135.5 113.8 . 113.8 186.8 106.0 146.4
Grabow 71611 117.4 113.0 . 113.0 136.3 102.8 119.6
 
Average 149.9 127.7 . 127.7 195.9 126.1 161.0
Mid and Full-Season  
 
Pioneer 3163 176.9 135.9 . 135.9 251.2 143.8 197.5
DeKalb DK 683 169.0 134.1 . 134.1 220.0 152.9 186.4
DeKalb DK 687 165.3 123.5 . 123.5 229.5 142.9 186.2
Pioneer 3146 164.7 115.5 . 115.5 211.5 167.2 189.3
Terra TR 702E 164.3 121.0 . 121.0 219.7 152.1 185.9
 
NK N 8811 162.4 117.9 . 117.9 214.9 154.4 184.6
AgriPro AP 9909 162.3 117.8 . 117.8 221.1 147.9 184.5
AgriPro AP 9939 162.3 108.2 . 108.2 205.7 172.8 189.3
Pioneer 31B13 160.5 122.9 . 122.9 224.7 134.0 179.3
Mycogen 2888 156.1 108.7 . 108.7 218.6 141.1 179.9
 
Mycogen 2815 153.2 115.8 . 115.8 203.8 140.2 172.0
Vigoro V 5970 153.0 103.0 . 103.0 212.9 143.2 178.0
NK N 83-N5 151.4 104.4 . 104.4 209.4 140.5 175.0
Terra TR 1167 151.1 123.3 . 123.3 192.6 137.5 165.1
Terra TR 1185 150.8 121.7 . 121.7 182.9 147.8 165.3
 
DeKalb DK 706 150.2 92.8 . 92.8 202.8 155.0 178.9
DeKalb DK 679 150.2 105.4 . 105.4 213.0 132.2 172.6
Pioneer 3167 148.8 114.9 . 114.9 198.2 133.5 165.8
NK N 83-R7 148.5 114.5 . 114.5 196.9 134.2 165.5
Pioneer 3085* 146.1 97.7 . 97.7 199.7 140.9 170.3
 
Southland SS-4120 141.4 107.6 . 107.6 193.4 123.2 158.3
Terra TR 1186 137.1 103.8 . 103.8 204.1 103.3 153.7
Mycogen 8460 132.1 114.5 . 114.5 215.6 66.1 140.9
Southland SS-8136* 114.0 74.3 . 74.3 182.9 84.9 133.9
Southland SS-5119 101.1 56.8 . 56.8 140.0 106.7 123.3
 
Average 150.9 110.2 . 110.2 206.6 135.9 171.3
* Full-season hybrid.


Tifton, Georgia

Short-Season Corn Hybrid Performance, 1998, Nonirrigated
      Yield1       
Company or Brand Name Hybrid
Name		 1998 3-Year Average Ears/100 Plants Ear Grain Weight Grain Quality2 Grain Moisture3 Harvest Population Erect Plants
bu/acre no. lb rating % plants/acre %
 
Grabow 71593 149.9 . 99 0.35 2.3 16.0 24354 91
Funk's G 4581 146.5 . 96 0.39 2.1 16.7 22119 63
Terra TR 1154 142.1 . 100 0.32 1.6 16.8 25574 81
Funk's G 5516 140.7 . 100 0.34 2.1 18.6 24152 80
NK N79-P4 138.8 . 99 0.34 1.6 17.4 23858 89
 
NK N 7931 138.3 153.9 100 0.32 1.8 16.7 24750 72
Grabow 71593TC-S 137.3 . 97 0.34 2.0 16.7 23958 92
Pioneer 32k61 137.0 . 99 0.33 1.0 17.5 24254 94
Pioneer 33G26 136.5 . 93 0.33 2.0 16.3 25542 97
Pioneer 3223 136.2 155.5 103 0.32 1.3 17.0 23958 72
 
Garst 8396IT 135.5 . 102 0.31 1.8 17.7 24453 88
Pioneer 3245 134.6 149.0 86 0.37 1.4 17.4 24812 96
Pioneer 3245-S 132.9 . 102 0.31 1.3 16.9 24255 83
AgraTech ATX721 131.6 . 91 0.33 2.1 17.0 24812 94
HyPerformer HS 9843 127.5 146.8 100 0.29 2.0 18.1 25245 70
 
Grabow 71611TC3-S 126.2 . 100 0.32 2.1 18.2 22832 53
AgraTech 787 124.5 148.0 96 0.30 2.1 18.6 24812 83
AgriPro AP 9707 120.6 148.9 96 0.30 1.6 16.4 23858 87
NK N73-N8 120.1 . 100 0.30 2.0 17.3 22968 66
AgraTech ATX770 117.5 147.0 98 0.30 2.1 17.4 23492 58
 
Asgrow RX 913 116.1 . 100 0.28 1.6 17.0 23594 58
DeKalb DK 668 115.8 141.2 96 0.30 2.1 18.4 23756 65
HyPerformer HY 9646 115.2 . 95 0.29 1.8 17.6 24453 82
Southland SS-4115 113.8 . 118 0.24 1.8 17.6 23166 43
Grabow 71611 113.0 . 103 0.33 2.0 17.3 19107 86
 
Funk's G 5510-A 111.1 136.5 91 0.31 2.3 19.5 23958 87
Garst N5254 109.4 . 102 0.25 2.0 16.9 24634 39
Garst 8222IT 106.6 . 92 0.30 1.8 20.1 23067 62
 
Average 127.74 147.4 98 0.31 1.8 17.5 23921 76
LSD at 10% Level 12.8 7.3 7 0.04 0.4 1.2 1487 20
Std. Err. of Entry Mean 5.4 3.1 3 0.02 0.2 0.5 632 9
1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 8.5%, and df for EMS = 81.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's
protected LSD (P = 0.10).
Planted: March 27, 1998.
Harvested: August 5, 1998.
Seeding Rate: 25,600 seeds/acre in 30" rows.
Soil Type: Tifton loamy sand.
Soil Test: P = High, K = Medium, and pH = 6.0.
Fertilization: 30 lb N, 60 lb P2O5, and 90 lb K2O/acre as preplant; 156 lb N and 20 lb S/acre as sidedress.
Previous Crop: Soybean.
Management: Subsoiled and rototilled; Sutan, Accent, Permit, and two cultivations used for weed control; Lorsban used for insect control.
 
Test conducted by A. E. Coy and M. Pippin.


Tifton, Georgia:

Mid and Full-Season Corn Hybrid Performance, 1998, Nonirrigated
        Yield1         
Company or Brand Name Hybrid
Name		 1998 3-Year Average Ears/100 Plants Ear Grain Weight Grain Quality2 Grain Moisture3 Harvest Population Erect Plants
  bu/acre no. lb rating % plants/acre %
 
Pioneer 3163 135.9 147.5 104 0.34 1.4 18.2 22632 79
DeKalb DK 683 134.1 144.3 110 0.30 2.1 16.8 23222 62
DeKalb DK 687 123.5 140.2 119 0.27 1.5 17.1 22431 83
Terra TR 1167 123.3 137.8 118 0.28 1.5 18.3 22035 87
Pioneer 31B13 122.9 . 117 0.27 1.6 18.6 23412 78
 
Terra TR 1185 121.7 134.5 100 0.33 2.4 19.7 22034 83
Terra TR 702E 121.0 135.5 95 0.34 1.9 21.3 22356 75
NK N 8811 117.9 133.3 101 0.31 1.3 20.1 22488 75
AgriPro AP 9909 117.8 . 100 0.30 2.1 17.0 22298 68
Mycogen 2815 115.8 . 110 0.28 1.9 18.1 22092 95
 
Pioneer 3146 115.5 139.5 99 0.30 1.0 18.5 22473 65
Pioneer 3167 114.9 136.9 100 0.31 1.6 17.7 21168 77
Mycogen 8460 114.5 133.3 98 0.31 2.1 19.3 21770 80
NK N 83-R7 114.5 . 92 0.32 2.1 17.6 22034 51
Mycogen 2888 108.7 . 104 0.29 1.3 16.6 20508 57
 
AgriPro AP 9939 108.2 . 98 0.31 1.7 21.0 21242 71
Southland SS-4120 107.6 . 102 0.34 2.0 18.8 18273 78
DeKalb DK 679 105.4 . 106 0.27 1.9 16.9 21036 71
NK N 83-N5 104.4 . 111 0.24 1.9 16.4 22356 60
Terra TR 1186 103.8 . 99 0.28 1.9 17.9 21564 55
 
Vigoro V 5970 103.0 . 102 0.26 2.0 16.4 22035 31
Pioneer 3085* 97.7 131.2 103 0.27 1.3 18.8 20790 38
DeKalb DK 706 92.8 132.6 108 0.23 1.6 17.9 21828 37
Southland SS-8136* 74.3 . 83 0.42 1.9 23.0 19452 45
Southland SS-5119 56.8 . 92 0.27 2.1 21.0 14114 66
 
Average 110.24 137.2 103 0.30 1.8 18.5 21426 67
LSD at 10% Level 9.8 N.S.5 14 0.04 0.4 0.9 1285 16
Std. Err. of Entry Mean 4.2 2.8 6 0.02 0.2 0.4 545 7
1. Yields calculated at 15.5% moisture.
2. Grain quality rating: 1 = excellent to 5 = poor.
3. Grain moisture at harvest.
4. CV = 7.6%, and df for EMS = 72.
5. The F-test indicated no statistical differences at the alpha = .10 probability level; therefore an LSD     value was not calculated.
* Full-season hybrid.
Bolding indicates entries yielding equal to highest yielding entry within a column based on Fisher's
protected LSD (P = 0.10).
Planted: March 27, 1998.
Harvested: August 6, 1998.
Seeding Rate: 22,600 seeds/acre in 30" rows.
Soil Type: Tifton loamy sand.
Soil Test: P = High, K = Medium, and pH = 6.0.
Fertilization: 30 lb N, 60 lb P2O5, and 90 lb K2O/acre as preplant; 156 lb N and 20 lb S/acre as sidedress.
Previous Crop: Soybean.
Management: Subsoiled and rototilled; Sutan, Accent, Permit, and two cultivations used for weed control; Lorsban used for insect control.
 
Test conducted by A. E. Coy and M. Pippin.


Tifton, Georgia:

Short-Season Corn Hybrid Performance, 1998, Irrigated
      Yield1       
Company or Brand Name Hybrid
Name		 1998 3-Year Average Ears/100 Plants Ear Grain Weight Grain Quality2 Grain Moisture3 Harvest Population Erect Plants
bu/acre no. lb rating % plants/acre %
 
Pioneer 3245-S 227.1 . 101 0.48 2.0 19.0 27126 99
Pioneer 3245 217.0 221.7 98 0.49 2.8 19.1 26532 100
Garst 8222IT 212.8 . 100 0.50 2.5 21.2 25542 95
Pioneer 3223 206.8 217.0 106 0.40 2.0 18.8 28215 100
Funk's G 5510-A 206.6 218.7 101 0.51 3.5 22.5 24552 97
 
Grabow 71593TC-S 206.0 . 100 0.45 3.3 19.8 27126 99
Pioneer 33G26 205.3 . 100 0.45 2.8 19.6 27324 96
AgriPro AP 9707 204.3 219.5 100 0.44 2.0 19.1 27324 99
Terra TR 1154 201.4 . 99 0.42