Three weed biological control (biocontrol) programmes are described, all of which are considered to be ‘transfer projects’ that were initiated elsewhere, and on which South Africa has piggybacked its biocontrol efforts. Using knowledge and expertise from international collaborators, South African weed researchers are following a long tradition of transfer projects, which has been a largely successful and practical approach to biocontrol. Two Brazilian weeds, the Brazilian pepper tree Schinus terebinthifolia and the spiderwort Tradescantia fluminensis are being targeted, along with the Old-World trees Tamarix ramosissima and T. chinensis. The potential biocontrol agents are described and ranked for the two trees according to what has been discovered elsewhere, while the agent already released against T. fluminensis is rated (as poor), and other potential agents are considered. The addition of molecular techniques, climate matching and remote sensing in transfer projects can increase the chance of successful biocontrol and the inclusion of these techniques in the three new programmes is discussed. Transfer projects are a cost-effective and pragmatic way to pick winning biocontrol programmes.
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31 December 2021
Three New Biological Control Programmes for South Africa: Brazilian Pepper, Tamarix and Tradescantia
M.J. Byrne,
S. Mayonde,
N. Venter,
F. Chidawanyika,
C. Zachariades,
G. Martin
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African Entomology
Vol. 29 • No. 3
December 2021
Vol. 29 • No. 3
December 2021
Schinus terebinthifolia
Tamarix chinensis
Tamarix ramosissima
Tamarix usneoides
Tradescantia fluminensis
transfer projects