Weeds, pests and diseases
A range of pests affect dairy farm systems in southern Australia. Major ones are the black-headed cockchafer, red-headed cockchafer, the red-legged earth mite and the lucerne flea.
While Dairy Australia does not provide a comprehensive overview of the life cycle, threshold damage levels and control methods of all pests that affect perennial ryegrass pasture, the following factsheet does describe the effects of the pests mentioned above.
Perennial ryegrass management VIII - Management of weeds, pests and diseases (PDF 1MB)
The focus of this factsheet is on the major weeds, pests and diseases that affect dairy farm systems in southern Australia. It is not a comprehensive review of the life cycle, threshold damage levels and control methods of all the pests that can affect perennial ryegrass. It uses the 3030 Project experiences to discuss how to manage these weeds, pests and diseases with the whole farm system in mind. The weeds and pests covered are:
- Barley grass.
Pests - the following fact sheets are available on Dairy Australia's Feed Planing site. Visit the Pests to be aware of page.
- African black beetle
- Army worm
- Black-headed cockchafer
- Crop and pasture mites
- Red-headed cockchafer (external site)
- Red-legged earth mite
- Lucerne flea
- Slugs and snails
- Pests to be aware of in autumn
- Pasture renovation in autumn
- Understanding pasture endophytes
- Crown rust