The 2019 Perennial Ryegrass Varieties List, along with the Pasture Profit Index (PPI), was published recently and Abergain (tetraploid) tops the list with a PPI score of €214/ha, substantially ahead of the remaining varieties and even Aberclyde which falls into second place with a score of €205/ha.
Abergain’s total yield was listed as 10.57t DM/ha. Its first-cut silage yield was 4.98t DM/ha, while its second-cut silage was 4.09t DM/ha. The variety which topped the PPI scored 5.7 on ground cover.
Abermagic is the highest rating diploid variety on the list with a PPI score of 197.
Seasonal growth
Moira rated highest for spring growth at 118, while Abergreen scored 52 for summer growth and Abermagic rated 70 for autumn growth.
New variety Oakpark had a total dry matter yield of 10.28t DM/ha and scored a 6.8 for ground cover.
Heading date
The earliest heading date on the list is May 22 – Fintona (tetraploid), while the latest is June 9 – Aberchoice (diploid).
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