1. Department of Forest Mycology and Plant Pathology Swedish University of Agricultural Sciences Uppsala Sweden
2. Université de Lorraine, INRAE, IAM Nancy France
3. CREAF, Bellaterra (Cerdanyola del Vallès) Catalonia Spain
4. Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès) Catalonia Spain
5. Pyrenean Institute of Ecology (IPE‐CSIC) Zaragoza Spain
6. Department of Crop and Forest Sciences University of Lleida Lleida Spain
7. Joint Research Unit CTFC‐AGROTECNIO Lleida Spain