Megan M. Dewdney
0000-0003-1905-7616

Specialist

professor and Extension specialist, Department of Plant Pathology, UF/IFAS Citrus Research and Education Center, Lake Alfred, FL

CREC Profile

Publications

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.

2025–2026 Florida Citrus Production Guide: Pesticides Registered for Use on Florida Citrus

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

2025–2026 Florida Citrus Production Guide

2025–2026 Florida Citrus Production Guide: Greasy Spot

Megan M. Dewdney

2025–2026 Florida Citrus Production Guide

2025–2026 Florida Citrus Production Guide: Citrus Scab

Megan M. Dewdney

2025–2026 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.

2025–2026 Florida Citrus Production Guide: Brown Rot of Fruit

Megan M. Dewdney

2025–2026 Florida Citrus Production Guide

2025–2026 Florida Citrus Production Guide: Postbloom Fruit Drop

Natalia A. Peres and Megan M. Dewdney

2025–2026 Florida Citrus Production Guide

2025–2026 Florida Citrus Production Guide: Pesticide Resistance and Resistance Management

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

2025–2026 Florida Citrus Production Guide

2025–2026 Quick Reference Guide for Foliar Fungicides

Megan M. Dewdney

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