| 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, Nonirrigated |
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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. | % | |||||
| Zimmerman | 1851W | 137.9 | 142.8 | 100 | 0.31 | 1.5 | 16.3 | 24829 | 93 | ||
| AgraTech | 733RR | 137.9 | . | 98 | 0.32 | 1.5 | 14.0 | 24539 | 88 | ||
| Pioneer | 32W86 | 137.4 | . | 102 | 0.32 | 1.0 | 14.2 | 23667 | 96 | ||
| Pioneer | 32D99 | 136.6 | . | 104 | 0.31 | 1.5 | 14.6 | 23523 | 95 | ||
| Croplan Genetics | 721 | 136.0 | . | 100 | 0.30 | 2.0 | 12.9 | 24539 | 95 | ||
| Terral | TV2155Bt | 133.7 | . | 110 | 0.28 | 1.5 | 14.1 | 24394 | 86 | ||
| Terral | TV2140RR | 132.9 | . | 106 | 0.27 | 1.0 | 13.8 | 25265 | 90 | ||
| Dyna-Gro | X15616RR | 130.9 | . | 102 | 0.29 | 1.0 | 14.1 | 24684 | 92 | ||
| Dyna-Gro | 5515 | 128.8 | . | 104 | 0.30 | 1.5 | 13.5 | 22651 | 93 | ||
| Garst | 8366Bt | 127.6 | . | 97 | 0.28 | 2.0 | 13.2 | 26136 | 95 | ||
| Terral | TV2140Xn1RR | 126.6 | . | 104 | 0.27 | 1.5 | 13.5 | 24975 | 92 | ||
| Dyna-Gro | 5518RR | 125.3 | . | 107 | 0.25 | 1.0 | 13.5 | 25410 | 94 | ||
| Pioneer | 31G98 | 125.2 | 148.1 | 113 | 0.27 | 1.0 | 12.9 | 22942 | 96 | ||
| Golden Acres | 7997 | 123.5 | . | 105 | 0.24 | 1.5 | 13.0 | 26426 | 81 | ||
| Pioneer | 32R25 | 122.9 | . | 126 | 0.21 | 1.5 | 14.8 | 25700 | 97 | ||
| Dyna-Gro | X15617RR | 121.7 | . | 106 | 0.25 | 2.0 | 12.3 | 25120 | 90 | ||
| Croplan Genetics | G71CL/Bt | 121.5 | . | 103 | 0.27 | 1.5 | 12.6 | 23377 | 99 | ||
| AgraTech | 721BtRR | 121.2 | . | 97 | 0.28 | 1.5 | 13.1 | 24249 | 99 | ||
| Croplan Genetics | 818Bt | 120.2 | . | 104 | 0.25 | 1.5 | 15.0 | 25700 | 90 | ||
| Terral | TV2140Xn2RR | 120.1 | . | 107 | 0.24 | 2.0 | 12.5 | 25991 | 79 | ||
| Terral | TV2160Bt | 119.4 | . | 115 | 0.26 | 1.0 | 13.2 | 21635 | 85 | ||
| Dyna-Gro | 5516RR | 118.7 | . | 100 | 0.28 | 1.0 | 14.1 | 23232 | 87 | ||
| Terral | TV26BR10n | 113.8 | . | 102 | 0.25 | 1.0 | 13.7 | 24684 | 98 | ||
| AgraTech | 755RR | 113.7 | . | 101 | 0.28 | 1.5 | 13.3 | 21780 | 100 | ||
| Garst/AgriPro | 8222IT | 113.7 | 129.5 | 100 | 0.28 | 2.0 | 16.0 | 22651 | 97 | ||
| Southern States | SS781CL | 109.3 | . | 108 | 0.26 | 2.0 | 13.5 | 21344 | 93 | ||
| Garst | 8285RR | 106.9 | . | 109 | 0.25 | 1.5 | 14.0 | 21780 | 85 | ||
| Average | 124.64 | 140.1 | 105 | 0.27 | 1.5 | 13.8 | 24119 | 92 | |||
| LSD at 10% Level | 17.2 | N.S.5 | 8 | 0.05 | - | 0.9 | 2721 | 9 | |||
| Std. Err. of Entry Mean | 6.3 | 4.4 | 3 | 0.02 | - | 0.3 | 995 | 3 | |||
| 1. Yields calculated at 15.5% moisture. | |||||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | |||||||||||
| 3. Grain moisture at harvest. | |||||||||||
| 4. CV = 10.1%, and df for EMS = 52. | |||||||||||
| 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 25, 2002. | ||||||||||
| Harvested: | August 6, 2002. | ||||||||||
| Seeding Rate: | 26,000 seeds/acre in 30" rows. | ||||||||||
| Soil Type: | Tifton loamy sand. | ||||||||||
| Soil Test: | P = High, K = Medium, and pH = 6.3. | ||||||||||
| Fertilization: | 35 lb N, 70 lb P2O5, and 105 lb K2O/acre as preplant; 145 lb N/acre as sidedress. | ||||||||||
| Previous Crop: | Soybean. | ||||||||||
| Management: | Subsoiled and
bedded, rototilled; Prowl, Atrazine, Accent, and Permit used for weed
control; Telone II used for nematode control. |
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| Test conducted by A. E. Coy, M. D. Pippin, R. E. Brooke, and T. L. Hancock. | |||||||||||