1. Laboratory of Phytopathology, Department of Plants and Crops, Faculty of Bioscience Engineering Ghent University Ghent Belgium
2. Plant Sciences Unit ILVO (Flanders Research Institute for Agriculture, Fisheries and Food) Merelbeke Belgium
3. Inagro vzw Rumbeke‐Beitem Belgium
4. PSKW (Research Centre for Vegetable Production) Sint‐Katelijne‐Waver Belgium
5. PCG (Provinciaal Proefcentrum voor de Groenteteelt Oost‐Vlaanderen vzw) Kruishoutem Belgium
6. Faculty of Sciences Ghent University Ghent Belgium