2005 Perennial Ryegrass Harvest – Chilliwack (John Hylkema Farm)
| Dry Matter Yield (tonnes/ha) | |||||
| Cultivar | Cut 1 May 11 |
Cut 2 July 24 |
Cut 3 Oct 18 |
Total | % of Check |
| early maturing cultivars | |||||
| ARIES | 4.13 | 4.27 | 1.51 | 9.91 | 103 |
| BASTION | 4.22 | 3.95 | 1.47 | 9.64 | 100 |
| TETRYLYTE II | 3.69 | 3.51 | na | na | na |
| intermediately maturing cultivars | |||||
| LAGUANA | 4.51 | 4.38 | 1.71 | 10.6 | 107 |
| ROSALIN | 4.06 | 4.41 | 1.41 | 9.88 | 100 |
| CALIBRA | 4.05 | 4.3 | 1.11 | 9.46 | 96 |
| PSGG-9-04 | 4.1 | 3.19 | na | na | na |
| late maturing cultivars | |||||
| PIAMONTE | 3.89 | 4.59 | 1.48 | 9.95 | 102 |
| CONDESA | 3.44 | 4.63 | 1.66 | 9.73 | 100 |
| TURANDOT | 3.68 | 4.34 | 1.45 | 9.44 | 97 |
| Mean | 3.98 | 4.16 | 1.47 | 9.83 | |
| CV | 10.4 | 13.1 | 21.1 | 6.1 | |
| LSD (P | 0.46 | 0.5 | 0.29 | 0.7 | |
CV= Coefficient of variation
LSD=Least significant difference
Bastion, Rosalin and Condesa were used as check cultivars
*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.
NOTE: In September, weeds had overtaken the Tetrylyte II and PSGG-9-04 plots. The hot, dry conditions of the late summer seemed to particularly negatively affect on these cultivars.
