| Potato Leafhopper Resistant Alfalfa Variety Trial | |||||||||
| Ohio, South Charleston, Sown 4-23-08 | |||||||||
| Total | % of | ||||||||
| Variety | 2-Jul | 11-Aug | 8-Sep | 2009a | 2008 | 2008-09a | Checks | % Stand | |
| ------------------------ Tons Dry Matter/Acre ---------------------- | % mean | 9/30/09 | |||||||
| 53H92 | 1.02 | 1.83 | 1.11 | 3.97 | 1.21 | 5.18 | 120 | 94 | |
| Garst 6426 | 1.04 | 1.66 | 1.13 | 3.89 | 0.97 | 4.86 | 112 | 92 | |
| EverGreen 3 | 1.03 | 1.64 | 1.16 | 3.84 | 0.98 | 4.82 | 111 | 93 | |
| AmeriStand 404LH | 1.06 | 1.63 | 0.99 | 3.63 | 0.87 | 4.50 | 104 | 93 | |
| Susceptible checks* | 0.82 | 1.71 | 0.92 | 3.43 | 0.90 | 4.33 | 87 | ||
| Mean | 0.97 | 1.70 | 1.05 | 3.71 | 0.99 | 4.70 | -- | 91 | |
| LSD 0.05 | 0.19 | 0.23 | 0.20 | 0.30 | 0.25 | 0.42 | -- | 3.80 | |
| CV % | 13.5 | 9.2 | 13.1 | 5.6 | 17.4 | 6.1 | -- | 2.8 | |
| * Susceptible check varieties were Vernal, DK 140 and 5454 | |||||||||
| a Total yield represents three harvest dates in 2009, first harvest was not included due to technical difficulties. | |||||||||
| Data subjected to Nearest Neighbor AOV, adjusted means reported. | |||||||||
| Establishment: | Seeded with a Hege 3-point hitch drill with presswheels at 16 lb/a. | ||||||||
| Plot size: | 4' x 20' , 15'alleys and borders, RCBD with four reps. | ||||||||
| Soil type / analysis: | Crosby silt loam, pH=6.2, P=198 lbs/a, K=360lbs/a, CEC=17.9, O.M.=2.7, (10/08). | ||||||||
| 2009 Fertilization: | 3 ton of lime was applied in March 2008. 300 lb/a of 0-46-0 and | ||||||||
| 500 lb/a of 0-0-60 was applied after first harvest. | |||||||||
| 2009 Pest control: | No insecticide was applied to this trial. | ||||||||