The Group is composed of researchers and technical staff (see members) belonging to the Units of Horticulture and Plant Protection from the Food and Agriculture Research and Technology Center of Aragon (CITA), the Dept. of Agricultural Sciences and Natural Environment of the University of Zaragoza (Polytechnic School of Huesca), the Center of Plant Health and Certification (CSCV) and the Plant Technology Unit (UTV) of the Department of Rural Development and Sustainability (formerly Agriculture and Livestock) of the Government of Aragon.