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Grass Management

How to choose a ryegrass

The four steps to choosing a ryegrass

1. What is the length of time the pasture needs to last?*

*Under average or better management, soil fertility and moisture, and with the optimum endophyte.

2. What endophyte protection is needed based on insects present?

  • AR37 controls: Argentine Stem Weevil Larvae, Pasture Mealy Bug, Adult Black Beetle and Root Aphid.
  • ENDO5 controls: Black Beetle, Argentine Stem Weevil Larvae, Root Aphid (moderate control) and Pasture Mealy Bug.
  • AR1 controls: Argentitne Stem Weevil and Pasture Mealy Bug.
  • MaxP® controls: African Black Beetle, Agrentine Stem Weevil, Root Aphid and limited control of Field Cricket.




3. Diploids vs tetraploids and how will your paddock be grazed?

  • Use tetraploids for: Rotational grazing or short periods of set stocking .
  • Use diploids for: Rotational grazing, short periods of set stocking and long periods of set stocking.


4. Do you need strong ryegrass growth rates early in spring or is late spring feed quality more important?

  • Early-mid season heading ryegrasses can provide more dry matter, earlier in spring, late season heading ryegrasses yield higher quality feed in late spring. Your farms’ ryegrass portfolio should include a range of early-mid and late heading ryegrasses to deliver a balance of early season growth plus late spring feed quality.