Rosabrook was developed by the National Annual Pasture Legume Improvement Program (NAPLIP) as a replacement for cv. Denmark with improved cotyledon tolerance to Redlegged Earth Mite (RLEM).
NEW BREAKTHROUGH REDLEGGED EARTH MITE TOLERANT SUB CLOVER FOR INCREASING PASTURE LEGUME CONTENT
Rosabrook results from a single backcross, with cv. Denmark as the recurrent parent, and has a flowering time of 143 days from an early May sowing in Perth, the same as Denmark.
Rosabrook is suited to well drained, moderately acid (pH CaCl2 4.5–6.5) soils in areas of southern Australia where the growing season extends to mid-late November, corresponding to a minimum annual rainfall of approximately 600 mm.
It is well suited to permanent pasture systems, but should regenerate strongly following occasional years in crop. It is not suited to 1:1 crop/pasture rotations.
- High yeilding
- Late flowering
- Cotyledon redlegged earthmite resistance
- Improved establishment. Greater first year yields.
- Reduced need for insecticide application costs
- Produces more feed in high rainfall zone
- Produces more feed per hectare. Produces lower cost feed