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

Jamie D. Burrow and Megan M. Dewdney 2

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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Figure 1. 

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Figure 2. 


1. 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
2. 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.

Publication #PP327

Date:July 24th, 2019

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Burrow, Jamie D.


University of Florida

Dewdney, Megan M.


University of Florida

Fact Sheet


  • Jamie Burrow
  • Megan Dewdney