Senegalia erubescens
Blue thorn is an indigenous woody species that may contribute to bush thickening in rangeland and conservation environments.
Blue thorn is an indigenous woody species that may contribute to bush thickening in rangeland and conservation environments.
How to recognise the problem
Compare the full plant, leaves, stems or bark, thorns, flowers or fruit, and the wider stand. A common name alone is not enough for a chemical recommendation.
Why land managers control it
- Woody density can reduce usable space and access.
- Dense stands may compete with desirable grasses or vegetation.
- Untreated regrowth can increase future control cost.
Control approach
Map the target separately from desirable thorn trees. Match the registered method to plant size, stems, soil and management objective.
Before applying chemicals
- Confirm the species.
- Check plant size, active growth and treatment history.
- Map water, desirable roots and non-target vegetation.
- Use only the current registered label for the target and method.
- Plan follow-up for misses, coppice or seedlings.