2005 Orchardgrass Harvest – Chilliwack (John Hylkema Farm)
| Dry Matter Yield (tonnes/ha) | ||||||
| Cultivar | Cut 1 May 10 |
Cut 2 July 5 |
Cut 3 Aug 8 |
Cut 4 Sept 26 |
Total | % of Potomac |
| LALL | 4.72 | 3.57 | 2.03 | 0.87 | 11.19 | 118 |
| MALL | 4.75 | 3.07 | 2.21 | 1.08 | 11.1 | 117 |
| CMV-B | 4.79 | 3.29 | 1.76 | 0.91 | 10.75 | 113 |
| EALL | 4.65 | 3.09 | 1.91 | 1.13 | 10.79 | 113 |
| ELSIE | 4.7 | 3.15 | 1.78 | 1.05 | 10.69 | 112 |
| OG9703 | 4.51 | 3.18 | 1.93 | 1.01 | 10.63 | 112 |
| CENTURY | 4.27 | 3.16 | 1.97 | 1.03 | 10.43 | 110 |
| PSOG-9201 | 4.59 | 3.09 | 1.82 | 0.96 | 10.46 | 110 |
| NIVA | 4.56 | 3.19 | 1.72 | 0.68 | 10.15 | 107 |
| BARAULA | 4.37 | 3.41 | 1.46 | 0.89 | 10.02 | 105 |
| ICON | 4.12 | 3.08 | 1.64 | 1.1 | 9.95 | 105 |
| AMBASSADOR | 4.13 | 2.94 | 1.5 | 1.01 | 9.57 | 101 |
| ATHOS | 3.94 | 3.25 | 1.41 | 0.9 | 9.51 | 100 |
| POTOMAC | 4.54 | 2.7 | 1.43 | 0.84 | 9.52 | 100 |
| PS-65-9102 | 3.83 | 3.22 | 1.37 | 0.81 | 9.22 | 97 |
| CIS-OG 4 | 4.04 | 2.89 | 1.21 | 0.84 | 8.98 | 94 |
| ALPINE | 3.73 | 2.94 | na | na | na | na |
| Mean | 4.37 | 3.14 | 1.7 | 0.94 | 10.19 | |
| CV | 11.5 | 9.5 | 23 | 35.3 | 10.3 | |
| LSD (P | 0.62 | 0.33 | 0.35 | NSD* | 1.11 | |
CV= Coefficient of variation
LSD=Least significant difference
Potomac was used as check cultivar
*NSD=F tests indicate no significant differences between yields at alpha = 0.05
Site Information: The site is located in East Chilliwack. The site has a Fairfield series soil, described as gleyed eluviated melanic brunisol, imperfectly drained and derived from medium and some moderately fine-textured, stone-free, Fraser Valley floodplain deposits.
Design: Randomized complete block design with four replicates.
Plot Size: 4′ by 20′
Harvest Area: 2′ by 20′
Seeding: Broadcast seeded
Fertilizer: Fertilizer was applied to plots prior to cuts 1, 2, 3 and 4, at 100, 75, 50 and 50 kg N ha-1 respectively.
Weed Control: Dyvel was applied to the plots in July.
Irrigation: The plots received no irrigation.
