Plant Pathology: Extension

Plant Disease Library

Disclaimer | Pesticide Safety for the Homeowner | CAES Publications

How To Methods

• Use A Compound Microscope
• Making A Moist Chamber
• Making A Slide Using Stain
• Making A Wet Mount Slide
• Submit A Sample
• Use A Stereo Microscope

Fungi

Top

Nematodes

• Foliar
• Lance
• Lesion
• Reniform
• Ring
• Root-knot
• Soybean cyst
• Sting
• Stubby-root

Nematode Sampling & Submission Guide

Plant Susceptibility to Major Nematodes in Georgia

Guide for Interpreting Nematode Assay Result

Field Crops, Fruits, Nuts, Vegetables

• Barley
  • Barley Yellow Dwarf
  • Loose Smut
• Bean
  • Fusarium
  • Pythium
  • Rust
  • Sore Shin
  • Southern Blight
• Blueberry
  • Anthracnose
  • Bacterial Leaf Scorch of Blueberry
  • Blueberry Diseases
  • Section 24C labels for Brave Ultrex & Bravo WeatherStik Fungicides for Control of Septoria Leaf Spot & Rust (in Adobe Acrobat format)
• Blackberry
  • Cane Blight of Blackberry
• Cabbage
  • Black Rot
  • Clubroot
• Canola
  • Blackleg Disease
  • Rhizoctonia Crown Rot
• Cantaloupe
  • Alternaria leaf spot
  • Fruit blotch
  • Cantaloupe and Specialty Melons
• Corn
  • Anthracnose
  • Charcoal Rot
  • Common Rust
  • Common Smut
  • Corn Disease - Stalk Rots
  • Corn Viruses in Georgia
  • Georgia Corn Diagnostic Guide
  • Reducing Aflatoxin in Corn During Harvest & Storage
  • Southern Corn Leaf Blight
• Cotton
  • Bronze Wilt
  • Cotton Boll Rot
  • Damping-Off
  • Fusarium Wilt
  • Georgia Cotton Nematode & Management Considerations
  • Rhizoctonia Damping-Off
  • Southern Root-Knot
  • Understanding Cotton Pests in Your Field
  • CAES Cotton Webpage
  • Georgia Cotton Commission
• Cucumber
  • Anthracnose
  • Belly Rot
  • Phytophthora Fruit Rot
• Eggplant
  • White Mold
• Fig
  • Rust
• Miscellaneous
  • A Simplified Technique for Recovering Pythium and Phytophthora from Infected Plant Tissue
  • Common Landscape Diseases in Georgia
  • Disease Control in the Home Vegetable Garden
  • Fireblight: Symptoms, Causes & Treatment
  • Invasive Species
  • Sanitation Measures for Limiting Diseases in the Home Orchard
  • The Truth about Slime Molds, Spanish Moss, Lichens & Mistletoe
  • Univ. of Maryland Coop Extension - Home & Garden Info Center
• Muscadine
  • Captan chemical injury
• Oat
  • Barley Yellow Dwarf
  • Crown Rust
  • Halo Blight
• Onion
  • Botrytis
  • Pink Root
  • Onion Production Guide
  • Vidalia Onion Research Lab
  • Vidalia Vegetable News
  • Commercial Green Onion Production
• Peach
  • The Georgia Peach
  • Southeastern Peach Growers' Handbook
  • Southest Regional Peach Newsletter
  • Southern Regional Small Fruit Consortium
  • S.E. Peach, Nectarine and Plum Pest Management & Culture Guide
• Peanuts
  • CAES Peanuts Webpage
  • Georgia Peanut Commission
  • National Peanut Research Lab
  • S.W.E.A.T. - Spotted Wilt Eradication Action Team
• Pecans
  • Georgia Pecan Information
  • Pecan Truffles
  • UGA Pecan Breeding Program
  • Georgia Pecan Commission
  • Minor Fruits & Nuts in Georgia
• Pumpkin
  • Fruit Blotch
• Rye
  • Bacterial Stripe or Black Chaff
  • Halo Blight
• Sorghum
  • Anthracnose
  • Bacterial Leaf Stripe
  • Ergot
  • Head Mold
  • Leaf Rust
  • Rough Leaf Spot
  • Zonate Leaf Spot
• Soybean
  • Soybean Rust - National Pest Alert
  • CAES Soybean Webpage
• Squash
  • Downy Mildew
  • Phytophthora Crown and Fruit Rot
• Tobacco
  • CAES Tobacco Webpage
• Tomato
  • Early Blight
  • Southern Bacterial Wilt
  • Yellow Leaf Curl Virus
  • Zippering
  • CAES Tomato Spotted Wilt Info
  • Tomato Spotted Wilt Lesson
  • Common Tomato Diseases in Georgia
• Triticale
  • Bacterial Stripe or Black Chaff
• Watermelon
  • Gummy Stem Blight
  • Watermelon Research & Development Working Group
• Wheat
  • Barley Yellow Dwarf
  • Bacterial Stripe
  • Leaf & Glume Blotch
  • Leaf Rust
  • Loose Smut
  • Powdery Mildew
  • Take-all
  • Wheat Mosaic
  • Managment of Take-All Root Rot of Wheat in the Southeast
  Top

Ornamentals, Woody Ornamentals, Flowers & Trees

• Azalea - Rhododendron
  • Botryosphaeria Dieback
  • Leaf Gall
  • Petal Blight
  • Phomopsis Canker
  • Phytophthora Dieback
• Boxwood
  • Volutella blight
• Camellia
  • Algal Leaf Spot
  • Canker & Dieback
  • Leaf Gall
  • Oedema
  • Petal Blight
  • Root Rot
  • Yellow Mottle or Ring Spot Virus
• Cherry
  • Black Knot
• Crabapple
  • Fire Blight
  • Cedar-Apple Rust
• Daylily
  • Daylily Dictionary - The American Hemerocallis Society
  • Daylily Rust Information Page
• Dogwood
  • Anthracnose
  • Septoria Leaf Spot
  • Spot Antracnose
  • Dogwood Diseases & Problems
• Euonymus
  • Powdery Mildew
• Geranium
  • Bacterial Blight
  • Bacterial Leaf Spots
  • Botrytis Blight
  • Rust
  • Oedema
  • Geranium Diseases
• Holly
  • Web or Thread Blight
• Indian Hawthorne
  • Entomosporium Leaf Spot
• Ivy
  • Anthracnose
  • Bacterial Leaf Spot
  • Commercial Production of English Ivy
• Juniper
  • Cercospora Blight
  • Phomopsis Tip Blight of Junipers
• Leyland Cypress
  • Bot Canker
  • Seiridium Canker
  • Diseases of Leyland Cypress in the Landscape
• Oak
  • Oak Leaf Blister
  • Key to Diseases of Oaks in the Landscape
  • Sudden Oak Death Information for Georgia
  • Sudden Oak Death - California Oak Mortality Task Force
  • Sudden Oak Death - U. S. Forest Service
• Pear (flowering)
  • Entomosporium Leaf Spot
  • Fire Blight
• Photinia
  • Entomosporium Leaf Spot
• Pine
  • Fusiform Rust
  • Fusiform Rust on Pines
  • Needle Rust
  • Key to Diseases of Pines in the Landscape
• Poinsettia
  • Poinsettia Scab Identified on Cuttings
• Pyracantha
  • Scab
• Rose
  • Black Spot
  • Disease Images
    
  Top

Turf

• Bentgrass
  • Anthracnose
• Bermuda, Centipede, Fescue, St. Augustine, Zoysia
  • Brown Patch
• St. Augustine
  • Gray Leaf Spot

Georgia Turf

Guide to Turfgrass Fungicides

Rhizoctonia Diseases of Turfgrass (APS Lesson)

Turfgrass Diseases in Georgia: Identification & Control

Turfgrass Diseases: A Quick Reference Guide

Abiotic Injuries and Disorders of Turfgrasses in Georgia

Top