Affiliation: | Author's addresses: Lowveld Tobacco Growers Association, PO Box 1158, Nelspruit, 1200, Republic of South Africa;;Tree Pathology Co-operative Program (TPCP), Forestry and Agricultural Biotechnology Institute (FABI), Department of Genetics, Microbiology and Plant Pathology, University of Pretoria, Pretoria, 0002, South Africa;;Cooperative Research Centre for Tropical Plant Protection, Level 5 John Hines Building, The University of Queensland, Brisbane, Qld 4072, Australia (correspondence to E. Van Jaarsveld. E-mail: ) |