Biocontrol of plant diseases Hydroponic pathology Environmental biotechnology Molecular biology and virology Integrated disease management Panama disease of bananas Plantation tree pathology White rust of sunflower Forestry/ tree pathology Soilborne disease Phytonematology Epidemiology and control of spread of grapevine leafroll disease. Winetech (South African Wine Industry Prevention of grapevine leafroll disease spread between successive vineyards at the same site. Winetech 2004-2011 A survey and study of the plant pathogens reducing yields of indigenous food crops and the transmission and control of these pathogens Postharvest technology and food safety Microbial Evolution and Diversity Establishment of a diagnostic capacity for the detection of viruses and other graft-transmissible pathogens of Citrus. Citrus Research International (2005-2007)
