Plant disease epidemiology using classic and molecular approaches. Plant disease management and control.
Molecular and classical plant disease epidemiology. Population genetics of important plant pathogens such as Phytophthora infestans, Alternaria grandis, Alternaria linariae (A. tomatophila), Pseudocercospora ulei (Microcyclus ulei) and Ralstonia solanacearum.
Independently founded populations of Sclerotinia sclerotiorum from a tropical and a temperate region have similar genetic structure