Iron is a fundamental element for plants as well microorganisms and several pathogens, including Rhizoctonia solani, one of the main soil-borne pathogens tomato. This study demonstrated ability Aureobasidium pullulans strain L1 to produce siderophores how these molecules were, directly indirectly, connected its antagonistic activity iron bioavailability. By ICP-OES (Inductively Coupled Plasma—O...