Mohamed Saied Ali Khalil, Nadia Gamel El-Gamal, Nehal Samy El-Mougy and Mokhtar Mohamed Abdel-Kader 2022. Occurrence of citrus brown and black spot diseases and their control using pre-harvest approaches. Bioscience Journal. 38, (Dec. 2022), e38098. DOI:https://doi.org/10.14393/BJ-v38n0a2022-60227.