1. Department Di3A ‐ University of Catania Via S. Sofia 100 95100 Catania Italy
2. Grupo de Virología Instituto Agroforestal Mediterráneo Universitat Politènica de València Camino de Vera s/n 46022 Valencia Spain
3. Euro‐Mediterranean Institute of Science and Technology ‐ IEMEST Via Emerico Amari 123 90139 Palermo Italy
4. Instituto Valenciano de Investigaciones Agrarias (IVIA) crt Moncada‐Náquere Km 4.5 Moncada Spain
5. Institute for Sustainable Plant Protection ‐ National Research Council (CNR) Strada delle Cacce 73 10135 Turin Italy
6. Department of Agriculture and Forest Science ‐ University of Palermo Viale delle Scienze Ed, 5 90128 Palermo Italy