Back to profile profile_subnav_contactperson - dr.ir. JC (Bob) Douma type_page Ecology of plant pests and pathogens Pests and diseases have large potential effects on crop yields and are of great concern to farmers. Increasing concerns about the environmental and... Thesis projects Ecology of plant pests and pathogens Pests and diseases have large potential effects on crop yields and are of great concern to farmers. Increasing concerns about the environmental and...