Megan M. Dewdney

0000-0003-1905-7616

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

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

Citrus Fruit Blemishes and Decay Caused by Fungi and Bacteria

Mark A Ritenour, Jamie D Burrow, Megan M Dewdney, and John Zhang

This is a quick identification tool of citrus blemishes and fruit decay caused by fungi and bacteria in Florida citrus.

Citrus Fruit Disorders and Physical/Chemical Injuries

Mark A. Ritenour, Jamie D. Burrow, Megan M. Dewdney, and John Zhang

This quick reference guide is an identification tool for common disorders and injuries in Florida citrus.

Huanglongbing (HLB; Citrus Greening) and Nutrient Deficiency Identification

Tripti Vashisth, Megan M. Dewdney, and Jamie D. Burrow

Huanglongbing (HLB) is a bacterial disease that is spread by an insect, the Asian citrus psyllid. This 2-page fact sheet explains how to tell the difference between HLB symptoms and symptoms from nutrient deficiencies.

2024–2025 Florida Citrus Production Guide: Huanglongbing (Citrus Greening)

Megan M. Dewdney, Tripti Vashisth, and Lauren M. Diepenbrock

2023–2024 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide: Introduction

Lauren M. Diepenbrock, Megan M. Dewdney, and Tripti Vashisth

2024–2025 Florida Citrus Production Guide

Citrus Canker Symptoms on Nursery Trees

Timothy D. Riley, Megan M. Dewdney, and Jamie D. Burrow

A UF/IFAS numbered Fact Sheet for Commercial audience(s).

2024–2025 Florida Citrus Production Guide: Alternaria Brown Spot

Megan M. Dewdney

2024-2025 Florida Citrus Production Guide

Citrus Black Spot

Megan M. Dewdney and Natalia A. Peres

A UF/IFAS numbered Fact Sheet.

2024–2025 Florida Citrus Production Guide: Brown Rot of Fruit

Megan M. Dewdney and Evan G. Johnson

2024–2025 Florida Citrus Production Guide

2024–2025 Quick Reference Guide for Foliar Fungicides

Megan M. Dewdney

A UF/IFAS numbered Fact Sheet for Commercial audience(s).

Enfermedades fúngicas foliares de los cítricos para los patios y zonas residenciales

Megan M. Dewdney y Jamie D. Burrow

Este documento es una hoja de dos páginas ilustrativas para la identificación de las enfermedades fúngicas foliares de los cítricos. A UF/IFAS numbered Translation. Minor revision by Megan M. Dewdney and Jamie D. Burrow, Plant Pathology Department; 2 pages.

2024–2025 Florida Citrus Production Guide: Decay Control of Florida Fresh Citrus

Mark A. Ritenour, Jiuxu "John" Zhang, Liliana M. Cano, and Megan M. Dewdney

2024–2025 Florida Citrus Production Guide

Citrus Canker and Citrus Leprosis Fruit Symptom Comparison

A. Levy, J. D. Burrow, and M. M. Dewdney

This publication is intended to guide citrus growers in distinguishing the difference between citrus canker and citrus leprosis. 

2024–2025 Florida Citrus Production Guide: Postbloom Fruit Drop

Natalia A. Peres and Megan M. Dewdney

2024-2025 Florida Citrus Production Guide

Síntomas de Cancro Cítrico en Árboles de Vivero

Timothy D. Riley, Megan M. Dewdney, y Jamie D. Burrow

A UF/IFAS numbered Translation.

2024–2025 Florida Citrus Production Guide: Citrus Canker

Megan M. Dewdney and Evan G. Johnson

2024–2025 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide: Citrus Black Spot

Megan M. Dewdney, Callie Walker, Pamela D. Roberts, and Natalia A. Peres

2024–2025 Florida Citrus Production Guide

Citrus Leprosis Fruit, Leaf, and Stem Symptom Identification

Amit Levy, Ozgur Batuman, Megan M. Dewdney, and Jamie D. Burrow

This new two-page handout provides a brief summary of citrus leprosis symptoms. Written by Amit Levy, Ozgur Batuman, Megan M. Dewdney, and Jamie D. Burrow and published by the UF/IFAS Plant Pathology Department.

2024–2025 Florida Citrus Production Guide: Greasy Spot

Megan M. Dewdney

2024-2025 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide: Pesticide Resistance and Resistance Management

Lauren M. Diepenbrock, Megan M. Dewdney, and Ramdas Kanissery

2024–2025 Florida Citrus Production Guide

Packinghouse Citrus Black Spot ID/Identificación de la Mancha Negra de los Cítricos en las Plantas de Procesamiento

Mark A. Ritenour, Megan M. Dewdney, Natalia A. Peres, and Jamie D. Burrow

A UF/IFAS numbered Fact Sheet.

2024–2025 Florida Citrus Production Guide: Phytophthora Foot Rot, Crown Rot, and Root Rot

Megan M. Dewdney and Evan G. Johnson

2024-2025 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide: Pesticides Registered for Use on Florida Citrus

Lauren M. Diepenbrock, Megan M. Dewdney, Tripti Vashisth, and Ramdas Kanissery

2023–2024 Florida Citrus Production Guide.

2024–2025 Florida Citrus Production Guide: Melanose

Megan M. Dewdney

2024-2025 Florida Citrus Production Guide

Enfermedades Exóticas De Los Cítricos

Megan M. Dewdney, Jamie D. Burrow, Michael E. Rogers, and Timothy M. Spann

A UF/IFAS numbered Translation.

Citrus Disease Identification Chart

Amit Levy, Jamie D. Burrow, and Megan M. Dewdney

This flowchart is intended to help both commercial citrus growers and home gardeners in properly identifying common citrus diseases on fruit, leaves, and stems. Proper identification will help determine the appropriate management strategy. Written by Amit Levy, Jamie D. Burrow, and Megan M. Dewdney, and published by the UF/IFAS Plant Pathology Department.

2024–2025 Florida Citrus Production Guide: Citrus Scab

Megan M. Dewdney

2024–2025 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide

Lauren M. Diepenbrock, Megan M. Dewdney, and Tripti Vashisth, eds.

See here the full-format PDF of the 2024–2025 Florida Citrus Production Guide, as well as links to its individual chapters.

2024–2025 Florida Citrus Production Guide: Exocortis, Cachexia, and Other Viroids

Amit Levy, Ozgur Batuman, and Ronald H. Brlansky

2024-2025 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide: Blight

Ozgur Batuman, Amit Levy, and Ronald H. Brlansky

2024-2025 Florida Citrus Production Guide

2024–2025 Florida Citrus Production Guide: Tristeza Decline

Ozgur Batuman, Amit Levy, Mark E. Hilf, Peggy J. Sieburth, Ronald H. Brlansky, and William O. Dawson

2024-2025 Florida Citrus Production Guide