Transcriptome profiling of Pcb Pro- and prebiotics for human and animal use Molecular genetics of orbiviruses Identification and characterisation of sort rot bacteria on potatoes in South Africa Hydroponic pathology Biofertilizers and Biocontrol of Soilborne Plant Diseases by means of Plant Growth –Promoting Rhizobacteria Biocontrol of Soilborne Plant Diseases by means of Plant Growth-Promoting Rhizobacteria Bacterial diseases of plants Epidemiology of Rickettsias spp in African bat species. Molecular diagnostics of root knot nematodes T6SS of Pectobacterium carotovorum brasiliences Bacterial pathogens in water Integrated disease management Plantation tree pathology Forestry/ tree pathology Plant viruses Diagnosis and risk assessment of Soil-and seed-borne potato diseases A survey and study of the plant pathogens reducing yields of indigenous food crops and the transmission and control of these pathogens Brown spot of potatoes Rabies and other zoonotic viruses Microbial Evolution and Diversity