PPRI News No. 78 – September – October 2008

* First releases of biocontrol agents against problem cactus * Early indications of establishment of biocontrol agent on cat’s claw (Uncaria tomentosa) * Optimism prevails in South Africa for biological control of two emerging weeds, red sunflower ( Tithonia rotundifolia ) and Mexican sunflower (Tithonia diversifolias) * News snippets from Weeds Research.