1. Department of Sustainable Crop Production (DI.PRO.VE.S.)Università Cattolica del Sacro Cuore Piacenza Italy
2. Department of AgriculturalFood and Environmental Sciences (DSA3), Università degli Studi di Perugia Perugia Italy
3. Institute of Biosciences and Bioresources (IBBR)National Research Council of Italy (CNR) Perugia Italy
4. Department of HorticultureMichigan State University East Lansing MI USA
5. Departamento de Produccion VexetalUniversidad de Santiago de Compostela, Escola Politecnica Superior Lugo Spain