Back to profile profile_subnav_projects - dr.ir. MJ (Tijs) Ketelaar Projects by MJ Ketelaar Ecological impact of seaweed cultivation in the NorthSea Large-scale seaweed cultivations will be implemented in the North Sea. This will inevitably lead to increased detachment of seaweed from the... Blight in the spotlight Phytophthora infestans, causal agent of potato late blight, is a notorious pathogen with high adaptability, which limits control efforts. This...