Bugweed, Solanum mauritianum (Solanaceae), is a South American invasive perennial weed of economic and ecological importance, mainly in the high rainfall regions of South Africa (Category 1 of the Conservation of Agricultural Resources Act). Chemical and mechanical control methods have not proved...

Campuloclinium macrocephalum (Asteraceae) is native to South and Central America but is a highly invasive weed in South Africa where it is commonly known as the pompom weed. It is a target for biological control and success will depend on host specificity and biotype compatibility with the full...

Agriculturally valuable species may pose a risk to surrounding areas of natural vegetation if not suitably managed. An environmental risk strategy has been developed by the Future Farm Industries Cooperative Research Centre (FFICRC) to minimise environmental risk when selecting and using perennial...