Agricultural Straight Grasses
Annual Ryegrass
Annual Ryegrass – DIP
Cocksfoot
Festilolium
Hybrid Ryegrass – DIP
Hybrid Ryegrass – TET
Italian Ryegrass – DIP
Italian Ryegrass – TET
Meadow Fescue
Perennial Ryegrass – EARLY DIP
Perennial Ryegrass – INT DIP
Perennial Ryegrass – LATE DIP
Perennial Ryegrass – INT TET
Perennial Ryegrass – LATE TET
Tall Fescue – FORAGE TYPE
Timothy
Dip (Diploid) and Tet (Tetraploid)
A Diploid has two chromosomes per cell, therefore less cell content relative to cell wall material, resulting in a higher level of dry matter. Diploids are mainly used in permanent pastures due to high tiller rates and durability.
A Tetraploid has four chromosomes per cell, therefore more cell content relative to cell wall material, resulting in a lower level of dry matter. For this reason, Tetraploids tend to be sweeter and more palatable with a higher nutritional value.
Annual and Perennial
An Annual is a plant that germinates, flowers and dies in a year or one season.
A Perennial is a plant that lives for more than two years. They grow and bloom over the spring and summer and die back during the winter.