| 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 | |||||||||||
| Griffin, Georgia: Evaluation of Corn Hybrids for Silage, 2003, Irrigated |
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| Company or | Hybrid | Maturity | Forage Yield | Dry | Grain | Plant | 2-Yr Avg Dry Forage |
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| Brand Name | Name | Class | Dry | Green | Matter | Portion | Population | Yield | |||
| tons/acre | % | % | no. | tons/acre | |||||||
| DeKalb | DKC67-60(RR) | S | 12.9 | 32.7 | 39.4 | 41 | 30734 | . | |||
| DeKalb | DKC69-71(RR/YGCB) | M | 12.8 | 33.4 | 38.2 | 46 | 29282 | . | |||
| AgraTech | 1836 | F | 12.4 | 32.9 | 37.7 | 42 | 30008 | 12.4 | |||
| AgraTech | 919RR | M | 12.3 | 30.8 | 39.9 | 50 | 27104 | . | |||
| Greenwood | 863 | F | 12.0 | 34.5 | 34.7 | 38 | 27830 | . | |||
| NK | N 83-N5 | M | 12.0 | 28.7 | 42.2 | 54 | 28556 | 11.9 | |||
| Southern States | SS842RR | M | 11.9 | 33.4 | 35.6 | 51 | 31460 | 12.4 | |||
| NK | N91-R9 | F | 11.8 | 33.9 | 34.9 | 47 | 30250 | 12.2 | |||
| Croplan Genetics | 895Bt | M | 11.8 | 27.8 | 42.4 | 53 | 26620 | . | |||
| Pioneer | 30F33 | F | 11.6 | 33.6 | 34.7 | 37 | 27104 | 12.2 | |||
| Pioneer | 32D99 | S | 11.5 | 31.6 | 36.4 | 50 | 29040 | . | |||
| NK | 1851W | S | 11.5 | 33.5 | 34.4 | 42 | 27346 | 11.2 | |||
| Garst | 8230IT | M | 11.3 | 29.3 | 38.7 | 49 | 27830 | . | |||
| Croplan Genetics | 780RR/Bt | M | 11.2 | 28.4 | 39.7 | 49 | 30492 | . | |||
| Croplan Genetics | 827RR | S | 11.2 | 30.7 | 36.5 | 49 | 29040 | 11.7 | |||
| Greenwood | 835 | F | 11.1 | 34.1 | 32.7 | 40 | 23716 | 12.0 | |||
| Dyna-Gro | 58K22 | S | 11.0 | 25.5 | 42.9 | 52 | 28556 | . | |||
| Golden Acres | 7511 | M | 10.8 | 26.2 | 41.1 | 51 | 28556 | . | |||
| Pioneer | 33J56 | S | 10.8 | 26.4 | 40.9 | 52 | 26620 | . | |||
| AgraTech | 1020 | F | 10.8 | 30.6 | 35.2 | 43 | 24200 | . | |||
| Garst | 8288 | M | 10.6 | 26.4 | 40.1 | 54 | 27346 | 10.4 | |||
| Croplan Genetics | DS830 | M | 10.6 | 26.7 | 39.5 | 50 | 26620 | . | |||
| Golden Acres | 8681FQ | M | 10.4 | 26.6 | 39.0 | 52 | 29766 | . | |||
| Dyna-Gro | 58K56 | M | 10.1 | 27.7 | 36.6 | 50 | 27830 | . | |||
| Greenwood | 780 | M | 10.0 | 25.3 | 39.5 | 50 | 30250 | 10.8 | |||
| Greenwood | 865 | F | 9.1 | 30.1 | 30.2 | 28 | 22022 | . | |||
| Average | 11.3 1 | 30.0 | 37.8 | 47 | 28007 | 11.7 | |||||
| LSD at 10% Level | 1.4 | 3.0 | 3.4 | 6 | 2786 | N.S.2 | |||||
| Std. Err. of Entry Mean | 0.6 | 1.3 | 1.4 | 3 | 1133 | 0.3 | |||||
| 1. CV = 10.9%, and df for EMS = 75. | |||||||||||
| 2. The F-test indicated
no statistical differences at the alpha = .10 probability level; therefore an
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 4, 2003. | ||||||||||
| Harvested: | August 7, 2003. | ||||||||||
| Seeding Rate: | 32,500 seeds/acre in 30" rows. | ||||||||||
| Soil Type: | Pacolet coarse sandy loam. | ||||||||||
| Soil Test: | P = Medium, K = High, and pH = 6.1. | ||||||||||
| Fertilization: | 49 lb N, 98 lb P2O5, and 147 lb K2O/acre as preplant; 200 lb N/acre as sidedress. | ||||||||||
| Previous Crop: | Soybean. | ||||||||||
| Management: | Moldboard
plowed, disked, and rototilled; Aatrex, Lasso, and one cultivation used for
weed control; irrigated 1.0 inch. |
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| Test conducted by P. A. Rose. | |||||||||||