1. Department of Microbiology and Plant Pathology; Forestry and Agricultural Biotechnology Institute (FABI); University of Pretoria; Private Bag X20 Pretoria 0028 South Africa
2. Institute for Commercial Forestry Research (ICFR); Pietermaritzburg South Africa
3. Forest Industries Research Centre; University of the Sunshine Coast; Locked Bag 4 Maroochydore DC Qld 4558 Australia
4. Horticulture and Forestry Science, Agri-Science Queensland; Department of Agriculture, Fisheries & Forestry (DAFF); Brisbane Qld Australia