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Italian Ryegrass varieties used in Triumph Leys for 2006

Italian Ryegrass

Italian ryegrass is a short lived species lasting between 18 and 30 months producing heavy crops of silage or hay. They have earlier Spring growth than early perennial ryegrasses, head about 10 to 18 days later and are useful as providers of earlygrazing followed by a leafy silage cut.

Gemini (Tetraploid) 17th May/20th May*

The highest yielding tetraploid Italian over 2 years on bot the NIAB and SAC lists. Gemini has very good D values including the highest D values at both main silage cuts on the SAC list. Good mildew resistance.

Meribel 19th May/19th May*

Meribel is both NIAB and SAC listed where it is the equal hightes yieldiing of all Italians over 2 years with a very high yield at 67D and excellent 2nd Cut yield. Good ground cover with very good late Summer and Autumn growth.

Danergo (Tetraploid)  21st May/18th May*

A very high yielding Italian with a high yield at 67D being he joint highest yielding tetraploid in that class. Danergo produces an excellent annual yield inthe year of sowing and gives a good second year performance.

Limeta (Tetraploid)  21st May/14th May*

Limeta gives high annual yields with a very good second year yield andhas good ground cover with good resistance to Rhynchosporium and mildew.

* The first date alongside each variety refers to the equivalent to 50% ear emergence of that variety in central England in an average season according to NIAB. This will vary with season and altitude. Similar SAC figures taken from an average of their three sites is appopximately 12 days later for each variety.

* The second date after each variety refers to the date at which that variety achieves 67D in an average season. This date would be about one week earlier in Devon and one week later in Northumberland and would also be later at higher altitudes.

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