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Publication #PP285

Identification of Early Citrus Black Spot Symptoms (Identificacíon de los Síntomas Iniciales de la Mancha Negra de los Cítricos)1

Megan M. Dewdney, J. D. Burrow, and Mark A. Ritenour2

This identification sheet was designed to assist packinghouse employees to identify the early yet subtle symptoms of citrus black spot. Proper identification of citrus black spot prevents the rejection of international fruit shipments. This document can be downloaded by clicking the PDF icon in the top left corner.

Esta identificación de hoja fue diseñada para ayudar a los empleados de las compañías de empaque a identificar rápidamente los síntomas sútiles de la mancha negra de los cítricos. La correcta identificación de la mancha negra de los cítricos previene el rechazo de los envois de fruta internacionales.



This document is PP285, one of a series of the Plant Pathology Department, UF/IFAS Extension. Original publication date July 2011. Revised August 2018. Visit the EDIS website at


Megan M. Dewdney, associate professor, Department of Plant Pathology; J. D. Burrow, Extension program manager, UF/IFAS Citrus Research and Education Center; and Mark A. Ritenour, professor, Department of Horticultural Sciences, UF/IFAS Indian River REC; UF/IFAS Extension, Gainesville, FL 32611.

The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other UF/IFAS Extension publications, contact your county's UF/IFAS Extension office.

U.S. Department of Agriculture, UF/IFAS Extension Service, University of Florida, IFAS, Florida A & M University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place, dean for UF/IFAS Extension.