| 2002 Corn Performance Tests | Table of Contents | ||||||||||
| The Georgia Agricultural Experiment Station College of Agricultural and Environmental Sciences The University of Georgia |
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| Research Report Number 684 October 2002 |
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| Tifton, Georgia: Short-Season Corn Hybrid Performance, 2002, Irrigated |
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| Yield1 | |||||||||||
| Company
or Brand Name |
Hybrid Name |
2002 | 3-Year Average |
Ears/100 Plants |
Ear Grain Weight |
Grain Quality2 |
Grain Moisture3 |
Plant Population |
Erect Plants |
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| bu/acre | no. | lb | rating | % | no. | % | |||||
| Pioneer | 31G98 | 260.1 | 242.3 | 125 | 0.42 | 1.0 | 16.8 | 28423 | 99 | ||
| Pioneer | 32D99 | 249.6 | . | 104 | 0.49 | 1.0 | 19.4 | 28423 | 100 | ||
| Pioneer | 32R25 | 241.1 | . | 113 | 0.42 | 1.0 | 16.4 | 28750 | 100 | ||
| Dyna-Gro | 5518RR | 236.1 | . | 102 | 0.45 | 1.0 | 18.0 | 29512 | 100 | ||
| Terral | TV2140Xn1RR | 228.4 | . | 109 | 0.44 | 1.0 | 18.2 | 27443 | 100 | ||
| Dyna-Gro | 5515 | 226.3 | . | 105 | 0.42 | 1.0 | 16.9 | 29077 | 100 | ||
| Southern States | SS781CL | 225.6 | . | 107 | 0.46 | 1.0 | 16.4 | 26245 | 100 | ||
| AgraTech | 733RR | 224.9 | . | 106 | 0.43 | 1.0 | 17.1 | 28532 | 100 | ||
| Pioneer | 32W86 | 224.4 | . | 108 | 0.46 | 1.0 | 15.8 | 25592 | 100 | ||
| Croplan Genetics | 721 | 222.5 | . | 102 | 0.44 | 1.0 | 16.2 | 27988 | 100 | ||
| Zimmerman | 1851W | 220.0 | 210.1 | 105 | 0.43 | 1.0 | 17.9 | 28205 | 100 | ||
| Terral | TV2160Bt | 219.6 | . | 114 | 0.41 | 1.0 | 17.7 | 26898 | 100 | ||
| Terral | TV2140RR | 219.0 | . | 109 | 0.42 | 1.0 | 17.5 | 27334 | 100 | ||
| Croplan Genetics | 818Bt | 216.6 | . | 100 | 0.44 | 1.0 | 19.1 | 28750 | 100 | ||
| Terral | TV2140Xn2RR | 215.5 | . | 106 | 0.44 | 1.0 | 17.3 | 26789 | 98 | ||
| Garst/AgriPro | 8222IT | 215.1 | 214.8 | 100 | 0.46 | 1.0 | 18.9 | 27116 | 100 | ||
| Golden Acres | 7997 | 213.9 | . | 104 | 0.41 | 1.0 | 15.9 | 28641 | 99 | ||
| Garst | 8366Bt | 213.8 | . | 105 | 0.42 | 1.0 | 16.3 | 27552 | 100 | ||
| Terral | TV26BR10n | 213.2 | . | 105 | 0.41 | 1.0 | 17.1 | 28205 | 100 | ||
| Dyna-Gro | X15617RR | 211.7 | . | 104 | 0.45 | 1.0 | 17.4 | 26572 | 100 | ||
| AgraTech | 721BtRR | 209.5 | . | 104 | 0.44 | 1.0 | 17.6 | 26354 | 100 | ||
| AgraTech | 755RR | 200.5 | . | 101 | 0.40 | 1.0 | 15.8 | 27987 | 100 | ||
| Dyna-Gro | X15616RR | 198.4 | . | 102 | 0.38 | 1.0 | 15.8 | 28423 | 100 | ||
| Garst | 8285RR | 197.9 | . | 109 | 0.40 | 1.0 | 16.5 | 25809 | 99 | ||
| Croplan Genetics | G71CL/Bt | 196.3 | . | 101 | 0.38 | 1.0 | 15.4 | 28423 | 100 | ||
| Dyna-Gro | 5516RR | 196.3 | . | 101 | 0.38 | 1.0 | 16.1 | 28641 | 100 | ||
| Terral | TV2155Bt | 195.1 | . | 111 | 0.39 | 1.0 | 17.1 | 26027 | 98 | ||
| Average | 218.24 | 222.4 | 106 | 0.43 | 1.0 | 17.0 | 27693 | 100 | |||
| LSD at 10% Level | 14.6 | 8.9 | 7 | 0.03 | - | 0.7 | N.S.5 | 1 | |||
| Std. Err. of Entry Mean | 6.2 | 3.6 | 3 | 0.01 | - | 0.3 | 925 | 1 | |||
| 1. Yields calculated at 15.5% moisture. | |||||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | |||||||||||
| 3. Grain moisture at harvest. | |||||||||||
| 4. CV = 5.7%, and df for EMS = 78. | |||||||||||
| 5. The F-test indicated
no statistical differences at the alpha = .10 probability level; therefore a
LSD value was not calculated. |
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| Bolding indicates entries yielding equal
to highest yielding entry within a column based on Fisher's protected LSD
(P = 0.10). |
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| Planted: | March 29, 2002. | ||||||||||
| Harvested: | August 10, 2002. | ||||||||||
| Seeding Rate: | 30,000 seeds/acre in 30" rows. | ||||||||||
| Soil Type: | Tifton loamy sand. | ||||||||||
| Soil Test: | P = High, K = Medium, and pH = 6.4. | ||||||||||
| Fertilization: | 65 lb N, 130 lb P2O5, and 195 lb K2O/acre as preplant; 234 lb N/acre as sidedress. | ||||||||||
| Previous Crop: | Soybean. | ||||||||||
| Management: | Subsoiled and
bedded, rototilled; Prowl, Atrazine, Permit and Accent used for weed
control; Telone II used for nematode control; irrigated 13.0 inches. |
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| Test conducted by A. E. Coy, M. D. Pippin, R. E. Brooke, and T. L. Hancock. | |||||||||||