2005 Perennial Ryegrass Harvest – Agassiz
Dry Matter Yield (tonnes/ha) | ||||||
Cultivar | Cut 1 May 24 |
Cut 2 July 12 |
Cut 3 Aug 25 |
Cut 4 Nov 14 |
Total | % of check |
early maturing cultivars | ||||||
TETRYLYTE II | 5.44 | 2.71 | 0.18 | 0.83 | 9.16 | 115 |
BASTION | 4.49 | 1.91 | 0.12 | 1.43 | 7.94 | 100 |
ARIES | 4.43 | 1.84 | 0.19 | 1.26 | 7.72 | 97 |
intermediately maturing cultivars | ||||||
CALIBRA | 5.08 | 1.98 | 0.18 | 1.21 | 8.46 | 102 |
ROSALIN | 4.87 | 2.08 | 0.1 | 1.23 | 8.27 | 100 |
LAGUANA | 4.27 | 2.14 | 0.19 | 0.96 | 7.56 | 91 |
PSGG-9-04 | 4.38 | 1.86 | 0.15 | 0.84 | 7.26 | 88 |
late maturing cultivars | ||||||
PIAMONTE | 4.42 | 2.31 | 0.37 | 0.8 | 7.9 | 104 |
TURANDOT | 4.56 | 2.09 | 0.15 | 1.08 | 7.87 | 104 |
CONDESA | 4.17 | 2.37 | 0.15 | 0.9 | 7.58 | 100 |
Mean | 4.61 | 2.13 | 0.18 | 1.06 | 7.97 | |
CV | 11 | 13.4 | 58.6 | 33.2 | 8.91 | |
LSD (P | 0.53 | 0.18 | 0.13 | NSD* | 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 at the Pacific Agriculture Research Centre in Agassiz. The site has a Monroe series soil, described as an Eutric Eluviated Brunisol, moderately well to well-drained and derived from medium-textured stone-free Fraser River deposits.
Design: Randomized complete block design with four replicates.
Plot Size: 5′ 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 April.
Irrigation: Sprinklers irrigated the plots for a couple of hours each day during the last weeks of August.