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Publication #PP327

Huanglongbing (HLB; citrus greening) Leaf and Fruit Symptom Identification1

Jamie D. Burrow and Megan M. Dewdney2

Huanglongbing (HLB), commonly known as citrus greening, is a bacterial disease that affects all citrus varieties. This fact sheet, which is best viewed as a pdf,, describes the leaf and fruit symptoms of HLB.

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This document is PP327, one of a series of the Plant Pathology Department, UF/IFAS Extension. Original publication date June 2016. Revised July 2019. Visit the EDIS website at


Jamie D. Burrow, Extension program manager; and Megan M. Dewdney, associate professor, Plant Pathology Department, Citrus Research and Education Center, 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.