| 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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| Plains, Georgia: Mid and Full-Season Corn Hybrid Performance, 2002, Irrigated |
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| Yield1 | |||||||||||
| Company
or Brand Name |
Hybrid Name |
2002 | 3-Year Avg |
Ears/100 Plants |
Ear Grain Weight |
Disease2 |
Grain Moisture3 |
Plant Population |
Erect Plants |
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| bu/acre | no. | lb | rating | % | no. | % | |||||
| Southern States | SS842RR | 198.3 | . | 104 | 0.42 | 4.0 | 20.0 | 26681 | 100 | ||
| DeKalb | DKC68-70(YG) | 197.1 | . | 117 | 0.36 | 1.7 | 19.5 | 27443 | 98 | ||
| DeKalb | DKC69-70(YG) | 197.0 | . | 101 | 0.43 | 3.7 | 21.3 | 27116 | 100 | ||
| Garst/AgriPro | 8288 | 190.3 | . | 114 | 0.40 | 3.7 | 19.6 | 24829 | 100 | ||
| DeKalb | DK687RR | 187.2 | . | 126 | 0.33 | 1.7 | 19.9 | 26681 | 100 | ||
| DeKalb | DK 697 | 186.7 | 218.4 | 102 | 0.40 | 4.0 | 19.8 | 27225 | 100 | ||
| Croplan Genetics | 702 | 182.7 | 203.3 | 109 | 0.40 | 3.7 | 20.3 | 25374 | 99 | ||
| Golden Acres | 8681FQ | 181.5 | . | 101 | 0.39 | 3.7 | 17.9 | 26899 | 99 | ||
| AgraTech | 803RR | 178.2 | . | 105 | 0.38 | 3.7 | 20.6 | 26790 | 100 | ||
| Pioneer | 31R88 | 173.9 | 168.2 | 103 | 0.38 | 3.7 | 19.8 | 26354 | 100 | ||
| AgraTech | 905RR | 173.5 | . | 104 | 0.36 | 3.3 | 18.8 | 26789 | 100 | ||
| NK | N 83-N5 | 170.4 | 190.2 | 105 | 0.36 | 3.7 | 19.3 | 26354 | 100 | ||
| NK | N91-R9 * | 169.1 | 186.1 | 105 | 0.35 | 3.7 | 20.1 | 27225 | 99 | ||
| Golden Acres | 8311 | 167.7 | . | 105 | 0.35 | 3.7 | 18.0 | 25918 | 100 | ||
| Asgrow | RX897RR | 164.8 | . | 104 | 0.34 | 3.3 | 18.0 | 26789 | 100 | ||
| Croplan Genetics | DS822RR | 157.9 | . | 102 | 0.35 | 3.3 | 21.8 | 26680 | 100 | ||
| Croplan Genetics | 827 | 157.1 | . | 102 | 0.36 | 3.3 | 21.1 | 26027 | 99 | ||
| Garst | 8118RR | 153.1 | . | 101 | 0.38 | 3.0 | 22.1 | 24394 | 100 | ||
| CPES-USDA | TY002 | 146.5 | . | 102 | 0.33 | 2.0 | 20.7 | 25809 | 99 | ||
| CPES-USDA | TY001 | 142.4 | . | 104 | 0.40 | 1.0 | 24.7 | 21453 | 99 | ||
| CPES-USDA | TY005 | 140.9 | . | 101 | 0.33 | 4.3 | 24.1 | 26245 | 98 | ||
| CPES-USDA | TY004 | 127.4 | . | 100 | 0.32 | 4.3 | 22.0 | 23741 | 95 | ||
| CPES-USDA | TY003 | 117.6 | . | 101 | 0.37 | 3.7 | 22.2 | 19384 | 97 | ||
| CPES-USDA | A2XSIMC5 | 96.1 | . | 101 | 0.22 | 5.1 | 19.0 | 25156 | 97 | ||
| CPES-USDA | A1XSIMC5 | 94.0 | . | 103 | 0.21 | 5.1 | 20.4 | 26245 | 86 | ||
| Average | 162.04 | 193.3 | 105 | 0.36 | 3.4 | 20.4 | 25744 | 98 | |||
| LSD at 10% Level | 12.5 | 10.4 | 6 | 0.03 | 0.9 | 0.7 | 1324 | 3 | |||
| Std. Err. of Entry Mean | 5.3 | 4.4 | 2 | 0.01 | 0.3 | 0.3 | 562 | 1 | |||
| * Full-season hybrid. | |||||||||||
| 1. Yields calculated at 15.5% moisture. | |||||||||||
| 2. Disease rating: 1 = no rust to 5 = all leaves covered with rust. | |||||||||||
| 3. Grain moisture at harvest. | |||||||||||
| 4. CV = 6.5%, and df for EMS = 72. | |||||||||||
| 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: | April 3, 2002. | ||||||||||
| Harvested: | August 12, 2002. | ||||||||||
| Seeding Rate: | 28,000 seeds/acre in 30" rows. | ||||||||||
| Soil Type: | Greenville sandy loam. | ||||||||||
| Soil Test: | P = Low, K = Medium, and pH = 6.0. | ||||||||||
| Fertilization: | 110 lb N, 100 lb P2O5, and 100 lb K2O/acre as preplant; 150 lb N/acre as sidedress. | ||||||||||
| Previous Crop: | Cotton. | ||||||||||
| Management: | Subsoiled and rototilled; Aatrex and Prowl used for weed control; irrigated 9.0 inches. | ||||||||||
| Test conducted by A. E. Coy, M. D. Pippin, R. R. Pines, R. E. Brooke, and T. L. Hancock. | |||||||||||