Erper, İsmailÖzer, GökselKalkan, ÇağlarTürkkan, Muharrem2021-06-232021-06-2320191125-46532239-7264https://doi.org/10.1007/s42161-018-0146-3https://hdl.handle.net/20.500.12491/10127Catalpa bignonioides is planted as a shade tree in Turkey. In autumn 2017, typical powdery mildew signs on leaves of C. bignonioides were observed on the main campus (Kurupelit) of Ondokuz Mayis University (OMU) in Samsun, Turkey.eninfo:eu-repo/semantics/openAccessCatalpa BignonioideEditorial10.1007/s42161-018-0146-310111951952-s2.0-85061323800Q2WOS:000458376000031Q3