Association of seven ‘Candidatus Phytoplasma’ species to an almond disease complex in Jordan, and preliminary information on their putative insect vectors - Asem Habes Abu Alloush; Piero Attilio Bianco; Enrico Busato; Amre AlMahasneh; Alberto Alma; Rosemarie Tedeschi; Fabio Quaglino (Crop Protection, 2023)