1. Plant–Microbe Interactions Department of Biology Science4Life Utrecht University 3508 TB Utrecht the Netherlands
2. Department of Plant Biotechnology and Bioinformatics Ghent University Ghent B‐9052 Belgium
3. VIB Center for Plant Systems Biology Ghent B‐9052 Belgium
4. Department of Soil Microbiology and Symbiotic Systems Estación Experimental del Zaidín (CSIC) Granada 18008 Spain
5. Plant–Soil‐Interactions Agroscope Zürich 8046 Switzerland