| The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia |
2003 Corn
Performance Tests Research Report Number 690 October 2003 |
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| Table of Contents | |||||||||||
| Blairsville, Georgia: Mid and Full-Season Corn Hybrid Performance, 2003, Nonirrigated |
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| Yield1 | |||||||||||
| Company
or Brand Name |
Hybrid Name |
2003 | 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. | % | |||||
| NK | N 83-N5 | 233.4 | 226.1 | 113 | 0.50 | 1.0 | 21.7 | 24805 | 100 | ||
| Pioneer | 32D99 | 232.9 | . | 111 | 0.54 | 1.0 | 22.6 | 23929 | 100 | ||
| DeKalb | DKC69-70(YGCB) | 230.2 | . | 118 | 0.49 | 1.0 | 21.9 | 24252 | 100 | ||
| Croplan Genetics | DS822RR | 222.8 | . | 132 | 0.46 | 1.0 | 23.5 | 23353 | 99 | ||
| Garst | 8288 | 222.3 | 231.4 | 108 | 0.54 | 1.0 | 21.2 | 22990 | 100 | ||
| Pioneer | 31G66 | 221.6 | . | 109 | 0.52 | 1.0 | 21.9 | 23595 | 99 | ||
| NK | N91-R9* | 219.7 | 236.3 | 118 | 0.47 | 1.0 | 22.0 | 24200 | 100 | ||
| AgraTech | 1701 | 216.2 | . | 124 | 0.48 | 1.0 | 21.5 | 21780 | 100 | ||
| Southern States | SS842RR | 215.8 | . | 116 | 0.48 | 1.0 | 23.8 | 24200 | 98 | ||
| DeKalb | DKC69-71(RR/YGCB) | 206.3 | . | 134 | 0.39 | 1.0 | 21.6 | 24321 | 100 | ||
| Garst | 8230IT | 201.9 | . | 113 | 0.45 | 1.0 | 22.7 | 24200 | 100 | ||
| Vigoro | V61R36 | 180.6 | . | 109 | 0.46 | 1.0 | 21.9 | 21745 | 100 | ||
| AgraTech | 905RR | 180.1 | . | 107 | 0.47 | 1.0 | 22.3 | 21780 | 100 | ||
| Dyna-Gro | 58K56 | 165.2 | . | 109 | 0.42 | 1.0 | 22.3 | 21901 | 99 | ||
| Average | 210.7 4 | 231.3 | 116 | 0.48 | 1.0 | 22.2 | 23361 | 100 | |||
| LSD at 10% Level | 23.2 | N.S.5 | 11 | 0.05 | - | 0.9 | 1706 | N.S. | |||
| Std. Err. of Entry Mean | 9.7 | 4.2 | 5 | 0.02 | - | 0.4 | 716 | 1 | |||
| * Full-season hybrid. | |||||||||||
| 1. Yields calculated at 15.5% moisture. | |||||||||||
| 2. Grain quality rating: 1 = excellent to 5 = poor. | |||||||||||
| 3. Grain moisture at harvest. | |||||||||||
| 4. CV = 9.2%, and df for EMS = 39. | |||||||||||
| 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: | April 30, 2003. | ||||||||||
| Harvested: | October 9, 2003. | ||||||||||
| Seeding Rate: | 25,800 seeds/acre in 30" rows. | ||||||||||
| Soil Type: | Bradson clay loam. | ||||||||||
| Soil Test: | P = Very High, K = High, and pH = 6.3. | ||||||||||
| Fertilization: | 77 lb N, 77 lb P2O5, and 77 lb K2O/acre as preplant; 150 lb N/acre as sidedress. | ||||||||||
| Previous Crop: | Soybean. | ||||||||||
| Management: | Moldboard plowed and disked; Aatrex, Bicep, Basagran, and one cultivation used for weed control. | ||||||||||
| Test conducted by P. A. Rose and H. D. Garrett. | |||||||||||