| 1997 Alfalfa Variety Trial (non sprayed) - Northwest Branch, North Baltimore, Ohio. | |||||||
|---|---|---|---|---|---|---|---|
| Potato leafhopper | Relative Yield 1997 | ||||||
| Variety | 14-Jul | 29-Aug | 1997 Total | Height (in) | Injury** | Injury** | |
| Commercial Seed | Tons Dry Matter/Acre | 08/29/97 | 07/09/97 | 08/12/97 | (%mean) | ||
| Trailblazer | 1.05 | 1.25 | 2.31 | 16 | 2.0 | 2.9 | 98 |
| Cleansweep | 1.02 | 1.28 | 2.31 | 17 | 2.0 | 3.6 | 98 |
| 5347LH | 1.06 | 1.24 | 2.29 | 15 | 4.0 | 4.5 | 97 |
| DK121HG | 0.99 | 1.28 | 2.27 | 16 | 2.0 | 3.1 | 97 |
| Susceptible Check | 0.99 | 1.12 | 2.12 | 13 | 7.0 | 8.5 | 90 |
| Arrest | 0.97 | 1.15 | 2.12 | 15 | 3.0 | 3.5 | 90 |
| Ameriguard | 0.94 | 1.15 | 2.09 | 15 | 4.0 | 4.4 | 89 |
| Safeguard | 0.90 | 0.98 | 1.88 | 13 | 3.0 | 5.1 | 80 |
| Potato leafhopper | Relative Yield 1997 | ||||||
| Variety | 14-Jul | 29-Aug | 1997 Total | Height (in) | Injury** | Injury** | |
| Commercial Seed | Tons Dry Matter/Acre | 08/29/97 | 07/09/97 | 08/12/97 | (%mean) | ||
| Experimental Seed | |||||||
| 4R25* | 1.26 | 1.46 | 2.71 | 18 | 1.0 | 2.0 | 115 |
| 4R30* | 1.23 | 1.42 | 2.65 | 17 | 1.0 | 1.8 | 113 |
| 4R43* | 1.18 | 1.41 | 2.59 | 18 | 2.0 | 2.6 | 110 |
| 3R20* | 1.19 | 1.36 | 2.55 | 18 | 1.0 | 2.2 | 109 |
| PLH 40* | 1.15 | 1.39 | 2.53 | 17 | 1.0 | 2.3 | 108 |
| 4R39* | 1.17 | 1.34 | 2.51 | 19 | 1.0 | 2.0 | 107 |
| 96 - 1X* | 1.16 | 1.30 | 2.46 | 15 | 2.0 | 3.8 | 105 |
| 4R32* | 1.14 | 1.32 | 2.46 | 17 | 2.0 | 3.0 | 105 |
| WH - 80* | 1.04 | 1.08 | 2.12 | 12 | 6.0 | 7.5 | 90 |
| Mean | 1.08 | 1.27 | 2.35 | 16 | 3.0 | 3.7 | --- |
| LSD 0.05 | 0.09 | 0.12 | 0.17 | 1 | 1.0 | 1.0 | --- |
| CV % | 5.58 | 6.86 | 4.95 | 6 | 29.0 | 18.5 | --- |
| * Variety tested using experimental seed that may not give performance identical to that of commercially available seed. These varieties have not been named as of the publication date of this paper but may be named within the next year; therefore this seed is currently not available commercially. | |||||||
| ** Potato leafhopper injury rated from 1 = least to 9 = greatest injury. | |||||||
| Data subjected to Nearest Neighbor AOV, adjusted means reported. | |||||||
| Date seeded: | 04/22/97 | ||||||
| Establishment: | Seeded with a Hege 3-point hitch drill with presswheels at 16 lb/a. | ||||||
| Plot size: | 5' x 25', 5' alleys and borders. RCBD with four reps. | ||||||
| Harvest area: | 5' x 25' | ||||||
| Soil type and status: | Hoytville silty clay, pH= 6.3, P = 130 lb/a, K = 502 lb/a (8/96). | ||||||
| 1997 Fertilization: | No fertilizer needed based on OSU soil recomendations. | ||||||
| 1997 Pest control: | No insecticide applied. Herbicide was applied on 13 June for weed control. | ||||||