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Megan M. Dewdney

Specialist

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Megan M. Dewdney

Orcid ID0000-0003-1905-7616

Specialist

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Publications

thumbnail for publication: Citrus Fruit Blemishes and Decay Caused by Fungi and Bacteria

Citrus Fruit Blemishes and Decay Caused by Fungi and Bacteria

Mark A. Ritenour, Jamie D. Burrow, andMegan M. Dewdney

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

thumbnail for publication: Citrus Fruit Disorders and Physical/Chemical Injuries

Citrus Fruit Disorders and Physical/Chemical Injuries

Mark A. Ritenour, Jamie D. Burrow, andMegan M. Dewdney

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

thumbnail for publication: Huanglongbing (HLB; Citrus Greening) and Nutrient Deficiency Identification

Huanglongbing (HLB; Citrus Greening) and Nutrient Deficiency Identification

Tripti Vashisth, Megan M. Dewdney, andJamie 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.

thumbnail for publication: 2026–2027 Florida Citrus Production Guide, Vol. 2

2026–2027 Florida Citrus Production Guide, Vol. 2

Lauren M. Diepenbrock, Megan M. Dewdney, andTripti Vashisth

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Postbloom Fruit Drop

2026–2027 Florida Citrus Production Guide: Postbloom Fruit Drop

Natalia A. Peres andMegan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Phytophthora Foot Rot, Crown Rot, and Root Rot

2026–2029 Florida Citrus Production Guide: Phytophthora Foot Rot, Crown Rot, and Root Rot

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Huanglongbing (Citrus Greening)

2026–2029 Florida Citrus Production Guide: Huanglongbing (Citrus Greening)

Megan M. Dewdney, Tripti Vashisth, andLauren M. Diepenbrock

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Alternaria Brown Spot

2026–2027 Florida Citrus Production Guide: Alternaria Brown Spot

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Greasy Spot

2026–2029 Florida Citrus Production Guide: Greasy Spot

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Decay Control of Florida Fresh Citrus

2026–2027 Florida Citrus Production Guide: Decay Control of Florida Fresh Citrus

Mark A. Ritenour, Jiuxu Zhang, Liliana M. Cano, andMegan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Citrus Black Spot

2026–2027 Florida Citrus Production Guide: Citrus Black Spot

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

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Greasy Spot

2026–2027 Florida Citrus Production Guide: Greasy Spot

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Citrus Canker

2026–2029 Florida Citrus Production Guide: Citrus Canker

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Pesticide Resistance and Resistance Management

2026–2029 Florida Citrus Production Guide: Pesticide Resistance and Resistance Management

Lauren M. Diepenbrock, Megan M. Dewdney, andRamdas Kanissery

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: Citrus Canker and Citrus Leprosis Fruit Symptom Comparison

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. 

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Melanose

2026–2029 Florida Citrus Production Guide: Melanose

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Blight

2026–2029 Florida Citrus Production Guide: Blight

Ozgur Batuman, Amit Levy, andR. H. Brlansky
other_contacts: Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Introduction

2026–2029 Florida Citrus Production Guide: Introduction

Lauren M. Diepenbrock, Megan M. Dewdney, andTripti Vashisth

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Brown Rot of Fruit

2026–2029 Florida Citrus Production Guide: Brown Rot of Fruit

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Alternaria Brown Spot

2026–2029 Florida Citrus Production Guide: Alternaria Brown Spot

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2025–2026 Quick Reference Guide for Foliar Fungicides

2025–2026 Quick Reference Guide for Foliar Fungicides

Megan M. Dewdney
other_contacts: Jamie D. Burrow

A table of products recommended in the Florida Citrus Production Guide and their effects on foliar fungal diseases & information on fungicide resistance management.

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Citrus Scab

2026–2027 Florida Citrus Production Guide: Citrus Scab

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Citrus Scab

2026–2029 Florida Citrus Production Guide: Citrus Scab

Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Citrus Disease Management Spray Timing Schedule

2026–2027 Florida Citrus Production Guide: Citrus Disease Management Spray Timing Schedule

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

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

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.

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Exocortis, Cachexia, and Other Viroids

2026–2029 Florida Citrus Production Guide: Exocortis, Cachexia, and Other Viroids

Amit Levy, Ozgur Batuman, andR. H. Brlansky
other_contacts: Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Melanose

2026–2027 Florida Citrus Production Guide: Melanose

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide.

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Brown Rot of Fruit

2026–2027 Florida Citrus Production Guide: Brown Rot of Fruit

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: Enfermedades Exóticas De Los Cítricos

Enfermedades Exóticas De Los Cítricos

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

A UF/IFAS numbered Translation.

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Decay Control of Florida Fresh Citrus

2026–2029 Florida Citrus Production Guide: Decay Control of Florida Fresh Citrus

Mark A. Ritenour, Jiuxu Zhang, Liliana M. Cano, andMegan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide, Vol. 1

2026–2029 Florida Citrus Production Guide, Vol. 1

Lauren M. Diepenbrock, Megan M. Dewdney, andTripti Vashisth

See here the full-format PDF of the 2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals), as well as links to its individual chapters.

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Citrus Black Spot

2026–2029 Florida Citrus Production Guide: Citrus Black Spot

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

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Chemical Guide Introduction

2026–2027 Florida Citrus Production Guide: Chemical Guide Introduction

Lauren M. Diepenbrock, Megan M. Dewdney, andTripti Vashisth

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Postbloom Fruit Drop

2026–2029 Florida Citrus Production Guide: Postbloom Fruit Drop

Natalia A. Peres andMegan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2029 Florida Citrus Production Guide: Tristeza Decline

2026–2029 Florida Citrus Production Guide: Tristeza Decline

Ozgur Batuman, Amit Levy, William O. Dawson, andWilliam O. Dawson
other_contacts: Megan M. Dewdney

2026–2029 Florida Citrus Production Guide (Citrus Production Fundamentals).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Citrus Canker

2026–2027 Florida Citrus Production Guide: Citrus Canker

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Pesticides Registered for Use on Florida Citrus

2026–2027 Florida Citrus Production Guide: Pesticides Registered for Use on Florida Citrus

Lauren M. Diepenbrock, Megan M. Dewdney, Tripti Vashisth, andRamdas Kanissery

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).

thumbnail for publication: 2026–2027 Florida Citrus Production Guide: Phytophthora Foot Rot, Crown Rot, and Root Rot

2026–2027 Florida Citrus Production Guide: Phytophthora Foot Rot, Crown Rot, and Root Rot

Megan M. Dewdney

2026–2027 Florida Citrus Production Guide (Current Season Spray Guide).