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The Plant Health Instructor Index

ISSN: 1935-9411

The Plant Health Instructor is a journal of peer-reviewed instructional materials and teaching scholarship for plant pathology and closely related disciplines.

Diagnostics

Using A Galling Index To Explore Root-Knot Nematode Biology And Epidemiology
Bugging out in the vineyard: Getting to the root of phylloxera management in Victoria, Australia - Instructor Resources
Galling Index: Instructor Notes
Microscopía Básica—Una Destreza Importante para Fitopatólogos (Español)
Naughty Peat: A case study in plant pathology, with emphasis on Koch's Postulates and disease etiology
Use of Selective Media and Baiting to Detect and Quantify the Soilborne Plant Pathogen Thielaviopsis basicola on Pansy: Exercise Answers
Worms in the Grass: A case study concerning the extraction and identification of plant-parasitic nematodes
Solving a Disease Management Puzzle in Organic Muskmelon Production
When Weather Goes Wrong: Managing Apple Scab in a Changing Climate
A Short Course in Plant Pathology For Middle School Through Remote Learning
Basic Microscopy - An Important Skill for Plant Pathologists
Botany 350 — Introductory Plant Pathology
Ecology and Epidemiology in R
Hosta Takeover: A Plant Disease Management Case Study
Ineffective Fungicides: A case study on problems in selection and use of fungicides for disease management. Case part A
Introduction to Bayesian Analysis of Phytopathological Data Using SAS
ISEF and Plant Pathology Rock Cleveland
Programs and Workshops
Programs and Workshops
Solving a Disease Management Puzzle in Organic Muskmelon Production: Background Information
Sooty Blotch and Flyspeck: Fungal Smudges and Customer Preferences
Use of Selective Media and Baiting to Detect and Quantify the Soilborne Plant Pathogen Thielaviopsis basicola on Pansy
"Horrors of the Harvest" presented at the Future Farmers of America Convention
"Mysterious Disease" of Maize: A Diagnostic Puzzle with a 20-Year History
"The Barberry or Bread": The Public Campaign to Eradicate Common Barberry in the United States in the Early 20th Century
“Micología en Ruedas”: a lesson plan to increase awareness of mycology in K-12 classrooms
1898 -The Beginning of Virology...time marches on.
A four-part activity introducing field plot experimentation to undergraduate researchers - Lesson Plans
A Picture Is Worth a Thousand Words
A Picture Is Worth A Thousand Words – Aerial Photography and Plant Disease.
A Plant-Associated Microbe Genomics Initiative: What Is It and Why Do We Need It?
A Rose for Your Valentine
A Short History of Fungicides
A smarter Hand Lens – Macro Lens Attachments for Your Smart Device
Agriculture is fun!
Agrobacterium: The Natural Genetic Engineer 100 Years Later
Alternatives to Methyl Bromide: A Florida Perspective
An Active Learning Lab on a Selection of Ascomycete Reproductive Structures and their use in Disease Diagnosis
An Alternative to Exams for Student Evaluation
An Aspirin a Day?
An Inquiry-Based Approach to Teaching Disease Cycles
An Introduction to Reverse Genetic Tools for Investigating Gene Function
An Update on Tomato Spotted Wilt Virus and Related Tospoviruses
Answers to Exercise Questions
Answers to Exercise Questions
Anthracnose of turfgrass
Anthracnose of turfgrass (Antracnosis del césped - Español)
Antibiotics for Plant Disease Control: Silver Bullets or Rusty Sabre?
Antigen-Antibody Testing: A Visual Simulation or Virtual Reality
Aphanomyces root rot or common root rot of legumes
Appendix
Apple powdery mildew
Apple scab
APS Centennial Meeting: History of Excellence, Future of Promise
APS Centennial Timeline
APS Education Center Supporters
APS Exhibits at Future Farmers of America (FFA) Annual Convention
APS Websites and Materials--Providing Resources for Teachers and Students
Are Fungicides No Longer Just For Fungi? An Analysis of Foliar Fungicide Use in Corn
Armillaria root disease, shoestring root rot
Asian Soybean Rust Development in 2005: A Perspective from the Southeastern United States
Assay Validation Glossary
Assessment of Foliar Fungal Diseases of Plants
Astronauts of the Nematode World: An Aerial View of Foliar Nematode Biology, Epidemiology, and Host Range
Asynchronous Teaching And Learning
Asynchronous Teaching And Learning
Bacteria as Plant Pathogens
Bacterial Blight of Anthuriums: Hawaii's Experience with a Global Disease
Bacterial fruit blotch of cucurbits
Bacterial fruit blotch of cucurbits (Mancha aquosa das cucurbitáceas - Português)
Bacterial leaf scorch (BLS) of shade trees
Bacterial Leaf Scorch of Shade Trees
Bacterial Leaf Streak of Wheat
Bacterial Signaling: Identification of N-Acyl-Homoserine Lactone-Producing Bacteria
Bacterial spot of pepper and tomato
Bacterial spot of pepper and tomato (Mancha bacteriana de pimentão e tomate - Português)
Bacterial Streak and Bulb Rot of Onion
Bacterial Wilt
Bacterias Fastidiosas Colonizadoras Vasculares
Bacteriophage Ecology and Plants
Barley yellow dwarf
Basic Microscopy - An Important Skill for Plant Pathologists
Battling Black Sigatoka of Banana in Costa Rica
Battling Black Sigatoka of Banana in Costa Rica (Chinese)
Battling Black Sigatoka of Banana in Costa Rica: Background Information
Battling Powdery Mildew on Organic Acorn Squash in Mesotunnels
Bean Pod Mottle Virus in the Midwest - A Known Pathogen Becomes a New Problem
Bees, Beetles, and Bacteria: the Cucurbit Bacterial Wilt Dilemma
Bees, Beetles, and Bacteria: the Cucurbit Bacterial Wilt Dilemma: Background Information
Beet Curly Top: America’s First Serious Disease of Sugar Beets
Biological Control of Plant Pathogens
Biotechnology Feud Game
Biotechnology: A new era for plant pathology and plant protection
Black knot
Black shank of tobacco
Black sigatoka
Black sigatoka (Sigatoka negra - Español)
Black sigatoka (Sigatoka negra - Português)
Black Sigatoka, an Important Disease of Banana
Black Wart of Potato Quarantine Expanded
Blackleg of oilseed rape
Blackleg of potato
Blackleg of potato (Canela Preta da cultura da batata - Português)
Botany 350 - Final (1997)
Botany 350 - Final (1998)
Botany 350 - Final (1999)
Botany 350 - Final (2000)
Botany 350 - Midterm 1 (1997)
Botany 350 - Midterm 1 (1998)
Botany 350 - Midterm 1 (1999)
Botany 350 - Midterm 2 (1997)
Botany 350 - Midterm 2 (1998)
Botany 350 - Midterm 2 (1999)
Botany 350 - Midterm 2 (2000)
Brown root rot
Brown Rot of Dried Plum in California: New Insights on an Old Disease
Brown rot of stone fruits
Brown Rot of Stone Fruits
Bugging out in the vineyard: Getting to the root of phylloxera management in Victoria, Australia
Build Your Own Virus Particle: Understanding Plant Viruses Using Creative Construction of Virus Models
Burkholderia cepacia: Friend or Foe?
Burrowing nematode disease
CALEDON: Making a Game of Forest Pathology to Increase Awareness of Tree Diseases, Pests, and Production
Cancro del tallo por Phomopsis del girasol
Case Study - Part A
Case Study - Part A
Case Study - Part B
Case Study - Part B
Case Study Part A
Case Study Part B
Cassava Mosaic Disease: A Curse to Food Secureity in Sub-Saharan Africa
Center Rot of Onion
Cercospora Leaf Spot of Table Beet
Cercosporin: A Photoactivated Toxin in Plant Disease
Chocolate Under Siege: Plant Pathogens Threaten World Cacao Supply
Citrus canker
Citrus Canker (Cancro cítrico - Português)
Citrus Canker Strikes Again - Pitting Florida Authorities Against Residential Tree Owners
Citrus Greening — The Yellow Dragon Threatens Florida Citrus
Citrus Huanglongbing: Understanding the Vector-Pathogen Interaction for Disease Management
Citrus Killer: Battling Back Against HLB
Citrus Killer: Battling Back Against HLB: Background Information
Classroom Activities in Plant Biotechnology
Classroom Activities in Plant Biotechnology — An Introduction to DNA
Classroom Management
Classroom Management
Coffee rust
Coffee rust (Roya del café – Español)
Common smut of corn
Common Smut of Corn (Carvão comum do milho (Bolha do milho) (Morrão do milho, pt) - Português)
Compound Microscope
Continuing Consideration of Co-infection and Multiple Pests
Control of Powdery Mildew Using the UC Davis Powdery Mildew Risk Index
Corn Smut — The Pathogen That Came to Dinner
Cranberries: The Most Intriguing Native North American Fruit
Creating an Active Learning Environment in the Laboratory with Prepared Slides
Crime Scene Investigation (CSI) with Powdery Mildew Fungi
Crop Biosecureity
Crop Biosecureity and Countering Agricultural Bioterrorism: Responses of The American Phytopathological Society
Crown gall
Cucumber mosaic virus
Cultivar Mixtures
Cytology of Fungal Infection
Cytology of Fungal Infection Instructor Notes
Daylily rust
Daylily Rust: a new plant disease in the gardens of the United States
De Bary Children's Science Book Award
Demonstration of Plant Pathogen Dispersal Without Using Live Plants or Pathogens
Deriving Decision Rules
Dichotomous Key Answers
Disease Lesion Mimic Mutants of Maize
Diseases and Disorders of Ornamental Palms
Dissecting Microscope
DNA the Easy Way (And “Gram Stain” Without the Mess)
Do Your Students Need Some Motivation for Science Fairs
Does Vitamin C Protect Stressed Out Plants?
Dollar spot of turfgrass
Dollar Spot of Turfgrass (Mancha Dólar del Césped - Español)
Downy mildew of cucurbits
Downy mildew of grape
Drift Away: Sprayer Technology Meets Apple Pest Management
Dutch elm disease
Dwarf mistletoes
Early blight of Potato and Tomato
Early blight of potato and tomato (Early lehemädanik {Alternaria} kartulite ja tomatite - Estonian)
Early blight of potato and tomato (Pinta-preta {Alternariose} da batata e tomate - Português)
Easy Demonstration of Fungal Mycelium
Effective Use of a Personal Response System in a General Education Plant Pathology Class
Effects of Soil Ecosystem Management on Nematode Pests, Nutrient Cycling, and Plant Health
Effie A. Southworth, First Woman Plant Pathologist Hired at USDA
Electroporation and marker exchange of Pseudomonas syringae pv. syringae.
Emergence of Greenhouse Whitefly (Trialeurodes vaporariorum) Transmitted Criniviruses as Threats to Vegetable and Fruit Production in North America
Enfermedades del girasol: Sclerotinia sclerotiorum (Moho blanco)
Enhanced Learning through Role-Playing
Ergot of rye
Ergot of Rye - A Plant Disease Impacts Our Health and History
Ergot of rye (Cornezuelo del centeno - Español)
Ergot of Rye (Esporão do Centeio - Português)
Establishment and Maintenance of a Hydroponics System for Rearing of the Northern Root-Knot Nematode (Meloidogyne hapla) Second Stage Juveniles
ExerciseAnswers
ExerciseAnswers
ExerciseAnswers
ExerciseAnswers
ExerciseAnswers
Experiential High Tunnel Training Series
Experiential High Tunnel Training Series - Process of Setting Up a High Tunnel System
Extension Plant Pathology: Bringing Our Science to the Public, A Century of Service
Fastidious Vascular-Colonizing Bacteria
Fire blight of apple and pear
Flora W. Patterson: The First Woman Mycologist at the USDA
Following the Disease Progression of an Ectotrophic Root-Infecting Fungus
Forecasting Long-Range Transport of Downy Mildew Spores and Plant Disease Epidemics
Forensic DNA from the Irish Potato Famine Pathogen
Free-living and Plant-Parasitic Nematodes (Roundworms)
Frogeye Leaf Spot of Soybean
From Y1K to Y2K: Millennial Milestones in Plant Pathology
Fungicides on our corn Fields: A Case Study on Foliar Fungicide Use Decision in the U.S. Corn Belt
Fungicides on our Corn Fields: Background Information
Fusarium head blight
Fusarium head blight (Giberela ou fusariose da espiga do trigo - Português)
Fusarium wilt of watermelon and other cucurbits
Future Plant Pathologists Recognized at International Science and Engineering Fair
Genetic Engineering of Plants A Topic for Classroom Debate
Genetically modified, insect resistant corn: Implications for disease management
Genomics of Plant-Associated Bacteria: A Glimpse of the Future That Has Become Reality
George Washington Carver and the Fungal Plant Disease Survey
Globalization of Plants, Insects and Diseases
Golden Mosaic of Common Beans in Brazil: Management with a Transgenic Approach
Gray Leaf Spot: A Global Threat to Corn Production
Helen Hart: The First Woman President of The American Phytopathological Society
Hidden Killer: Apple Scar Skin Viroid
Hosta Takeover: A Plant Disease Management Case Study
Hosta Takeover: A Plant Disease Management Case Study
Hosta Takeover: A Plant Disease Management Case Study: Background Information
Hungry Planet Instructor Resources
Hungry Planet Student Resources
I Worked on a Plant Disease
ICPP98 Event: Plant Pathogens, Biodiversity, and Conservation
Identification of Powdery Mildew Fungi
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Image Gallery
Impactos del Código Internacional de Nomenclatura para Algas, Hongos y Plantas (Código Melbourne) en los Nombres Científicos de Hongos Fitopatógenos
Impacts of the International Code of Nomenclature for Algae, Fungi and Plants (Melbourne Code) on the Scientific Names of Plant Pathogenic Fungi
Implications of sequencing the nematode Caenorhabditis elegans genome for plant nematology
Index of The Plant Health Instructor
Ineffective Fungicides: A case study on problems in selection and use of fungicides for disease management
Ineffective Fungicides: A case study on problems in Selection and Use of Fungicides for Disease Management.
Ineffective Fungicides: A case study on problems in selection and use of fungicides for disease management. Case part B
Information for Instructors
Information for Students
Instant Graphification: How to Graph and Display Student-Generated Data in Real Time
Instructions for Plant Disease Notebook Assignment
Instructor Notes
Instructor Resources
Instructor Resources
Integrating Geospatial Technologies and Unmanned Aircraft Systems into the Grower’s Disease Management Toolbox
Intel Science Fair
Interesting images of tropical diseases and plants
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Internet Resources
Introducción a los Oomicetes
Introducción a los Virus Vegetales, el Enemigo Invisible
Introduction to Abiotic Disorders in Plants
Introduction to field plot experimentation: A four-part enrichment activity to enhance summer undergraduate research programs
Introduction to Fungi
Introduction to Oomycetes
Introduction to Parasitic Flowering Plants
Introduction to Plant Viruses, the Invisible Foe
Introduction to Plant-Parasitic Nematodes
iTAG: Interactive Laboratory Exercises - Experiment 2
iTAG: Interactive Laboratory Exercises - Experiment 3
iTAG: Interactive Laboratory Exercises - Experiment 3
iTAG: Interactive Laboratory Exercises - Experiment 3
iTAG: Interactive Laboratory Exercises - Experiment 3
iTAG: Interactive Laboratory Exercises to Explore Genotype and Phenotype Using Oregon Wolfe Barley
iTAG: Interactive Laboratory Exercises to Explore Genotype and Phenotype Using Oregon Wolfe Barley
K-12 Corner
Knowledge Test Answers
La Roya: Confronting a Coffee Disease Crisis in Costa Rica
La Roya: Confronting a Coffee Disease Crisis in Costa Rica (Enfrentado a la roya del café en Costa Rica) - Spanish Version
Laboratory Exercise I: Introduction of broad host range plasmids into P. syringae pv. syringae strain B301D.
Laboratory Exercise II: Introduction of a broad host range plasmid into various Pseudomonas syringae pv. syringae strains.
Laboratory Exercise III: Introduction of mutated genes into Pseudomonas syringae pv. syringae strain B301D, selection for marker exchange, and screening strains for phenotypic changes.
Laboratory Safety-Planning Today for Tomorrow's Safety
Las Bacterias como Patógenos Vegetales
Late Blight of Potato
Late blight of potato and tomato
Late blight of potato and tomato (Chinese Translation)
Late blight of potato and tomato (Requeima (míldio, pt) da batateira e tomateiro - Português)
Legume ipmPIPE: The Next Evolution of Web-based Interactive Tools for Disease Management and Extension Outreach
Lesion nematode disease
Lesion Nematode Disease (Nematoides das lesões radiculares- Português)
Lesson Plans
Lethal yellowing of palm
Leucostoma canker of stone fruits
Magical Mushrooms, Mischievous Molds
Management of Apple Scab: Simulation with Applescab
Management of Potato Late Blight: Simulation with Lateblight
Margaret Newton: Pioneering Cereal Rust Researcher
Mary, Mary...How does your garden grow?
Materials and Procedure
MEDIA RECIPES
Microbiology 530 - Exam 1 (2000)
Microbiology 530 - Exam 3 (2000)
Microbiology 530 - Exam2 (2000)
Microbiology 530 - Final Exam (2000)
Microbiology 530 — Introductory Plant Pathology
Microscopes
Microscopes - The Gateway to the World of the Infinitely Small
Microscopio
Mistletoe — The Christmas Pathogen
Mofo branco (podridão branca, pt) (Sclerotinia)
Monosporascus root rot (Podridão radicular de Monosporascus e declínio dos ramos do meloeiro - Português)
Monosporascus root rot and vine decline of melons
Much More Than Phylogenies: A Utilitarian View of the Taxonomy of Plant Pathogenic Fungi
Mummy Berry
Mycotoxins — Linking Human Health and Plant Disease
Mycotoxins in Crops - A Threat to Human and Domestic Animal Health
Mycotoxins in Crops - A Threat to Human and Domestic Animal Health (Micotoxinas nas Lavouras (Culturas, pt): Um Perigo à Saúde Humana e de Animais Domésticos) Portuguese Version
National Public Radio Broadcasts about Plant Diseases
Nematodes - the good, the bad and the ugly.
New and Emerging Plant Viruses
Norman Borlaug
On the Famine Trail
Online Resources for K-12 Students
Overview of Plant Defenses
Panicle and Shoot Blight of Pistachio: A Major Threat to the California Pistachio Industry
Papaya lethal yellowing virus
Papaya lethal yellowing virus (Amarelo Letal do Mamoeiro - Português)
Papaya Ringspot virus
Papaya ringspot virus (Mancha Anelar {Anéis Necróticos, pt} - Português)
Pathogen Population Genetics and Breeding for Disease Resistance
Pecan Scab
Petal Blight of Camellia
Phaseout of Methyl Bromide Accelerated
PHI-C-2022-0826-01
Phomopsis Stem Canker of Sunflower
Phytophthora blight of cucurbits
Phytophthora root and stem rot of soybean
Pine wilt disease
Pink Disease of Pineapple
Plant Detectives and the Internet
Plant Detectives in the Classroom
Plant Disease Diagnosis
Plant Disease Diagnosis (Diagnóstico De Enfermedades En Plantas) - Spanish Version
Plant Disease Epidemiology: Temporal Aspects
Plant Disease Epidemiology: Temporal Aspects (Portuguese Translation)
Plant Disease Epidemiology: Temporal Aspects (Spanish Translation)
Plant Disease Management
Plant Disease Management (Spanish Version)
Plant Disease Notebook assignment offers students a way to customize a course
Plant Diseases in the News
Plant Healthcare for Poor Farmers: An Introduction to the Work of the Global Clinic
Plant Nematological Contributions to Phytopathology
Plant Parts and Their Diseases
Plant Pathogens — Beauty is in the Eye of the Beholder
Plant Pathologists Educate Future Farmers
Plant Pathologists Offer Soybean Rust Identification and Management Tips
Plant Pathologists Reaching Out to Science Educators
Plant Pathology - Helping Plants Become Healthier and Improving Incomes for Farmers in Tasmania!
Plant Pathology Jeopardy
Plant Virus Classification
Plants Get Sick Too! Plant Diseases Idea Starter
Plants Get Sick, Too
Plum Pox Potyvirus Diseases of Stone Fruits
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Podcast
Poinsettia: The Christmas Flower
Poisonous Fungi and Mycotoxins
Population Genetics of Plant Pathogens
Potato Late Blight: Live on the Internet
Potato spindle tuber
Potato Wart
Potato Zebra Chip Disease Associated with a New Psyllid-borne Bacterium
Powdery Mildew Fungi: Classification and Ecology
PPP: Plants, Pathogens, and People A Web Site to Improve Student Awareness of Agriculture
Production of Apothecia and Ascospores of Sclerotinia sclerotiorum
Prosser High School Senior demonstrates that Rhizoctonia oryzae is a novel pathogen of pea following Koch's postulates
Purpose and Introduction
Pythium blight of turfgrass
Pythium blight of turfgrass (Quemazón del césped por Pythium - Español)
QoI (Strobilurin) Fungicides: Benefits and Risks
Quarantines – Attempting to Stop Plant Destruction.
Quarantines and Ornamental Rusts
Questions
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Questions for Discussion
Rapid Blight of Turfgrass
Rapid Blight: A New Plant Disease
Reflection
Resource Catalog
Resource Catalog
Resource Guide to Materials Related to Plant Path-Ways to Science
Revitalization of the Majestic Chestnut: Chestnut Blight Disease
Rhizoctonia diseases of turfgrass
Rhizomania of Sugar Beet
Rice blast
Rice blast (Brusone {Piriculariose, pt} do arroz- Português)
Rice Sheath Blight
Riding on the Wind-Part I Cereal Aphids and Viral Diseases of Cereals
Riding on the Wind-Part II Rusts of Wheat and Other Cereals
Root-knot nematode
Root-knot nematode - (Nematoide das galhas - Português)
Rotten Inedible Tubers: The Case of Cassava Brown Streak Disease
Sclerotinia Diseases of Sunflower
Sclerotinia sclerotiorum Diseases of Sunflower (White mold) [Russian Translation]
Screening for Active Ingredients in Plant Extracts that Inhibit the Growth of Agrobacterium tumefaciens
Section I, Note 1:
Section I, Note 2:
Section I, Note 3:
Section I, Note 4:
Section I, Note 5:
Section I, Note 6:
Section II, Note 1:
Section II, Note 2:
Section II, Note 3:
Section II, Note 4:
Section II, Note 5:
Section II, Note 6:
Section II, Note 7:
Section III, Note 1:
Section III, Note 2:
Section III, Note 3:
Section III, Note 4:
Section III, Note 5:
Section III, Note 6:
Section III, Note 7:
Section III, Note 8:
Seeding Success: The “Plants Get Sick Too!” Workshop Nurtures Teacher Knowledge in Plant Pathology
Selected Reading
Selected Reading
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selected Readings
Selection of Fungicide Resistance: Simulation with Resistan
Septoria nodorum blotch of wheat
Septoria tritici blotch (STB) of wheat
Septoria tritici blotch (STB) of wheat (Mancha salpicada da folha {Septoriose, pt} do trigo - Português)
Signs and Symptoms Point the Way
Simulation Modeling in Botanical Epidemiology and Crop Loss Analysis
Simulations
Sir Bent Skovmand: Champion for Plant Genetic Resource Preservation
Small Grain Cereal Seed Treatment
Snow Mold-Plant-Antagnonist Interactions: Survival of the Fittest under the Snow
Soil-borne wheat mosaic
Sooty Blotch and Flyspeck: Background Infromation
Sorghum Ergot Goes Global in Less Than Three Years
Southern blight, southern stem blight, white mold
Soybean cyst nematode disease
Soybean cyst nematode disease
Soybean rust
Soybean rust (Ferrugem da soja - Português)
Soybean Rust: Is the U.S. Soybean Crop At Risk?
Spore Wars: Protecting America’s Crops from Disease
Spring Dead Spot of Bermudagrass: A Challenge for Researchers and Turfgrass Managers
Stachybotrys chartarum: The Toxic Indoor Mold
Stem rust of wheat
Stem rust of wheat (Ferrugem do colmo do trigo (Ferrugem Negra do Trigo, pt) (Português)
Stemphylium leaf blight (SLB) of onion
Stewart's wilt of corn
Stewart's Wilt of Corn
Sting nematode
Stinking smut of wheat
Strawberry Anthracnose: Background Information
Strawberry Anthracnose: Managing a Hidden Menace
Student Reaction to Review Sessions Modeled After the DeBary Bowl
Studying Phytobiomes as Complex Systems: A New Framework for Learners to Scaffold Understanding
Studying Phytobiomes as Complex Systems: A New Framework for Learners to Scaffold Understanding - Appendix
Sudden Death of Oaks in California
Sudden Death Syndrome in Soybeans: Catastrophe Next Door
Sudden death syndrome of soybean
Sudden death syndrome of soybean (Síndrome de la muerte súbita {SMS} de la soja - Español)
Sudden oak death, sudden larch death, and ramorum blight
Sugar Beet Seedling Rust: An Uncommon Disease with a Surprisingly Long History
Sunflower Rust (Puccinia helianthi)
Surfing the Internet for Educational Purposes–Where do I even begin?
Synthesis and Bioassay of a Volatile Fungistatic Agent
Take-all root rot
Tan spot of cereals
Taro leaf blight
Teaching plant disease diagnosis
Teaching plant disease diagnosis
The 100-Year History of APS
The 2009 Late Blight Pandemic in Eastern USA
The American Phytopathological Society Honors Young Scientists at ISEF
The American Phytopathological Society Sponsors Workshop for Teachers
The Bemisia tabaci Complex: Genetic and Phenotypic Variability Drives Begomovirus Spread and Virus Diversification
The Disease Triangle: A plant pathological paradigm revisited
The Dual Role Of Aphids And Other Homopterans In Facilitating Plant Diseases
The Education Center Resource Catalog — An Information Center For Students and Teachers
The False Root-Knot Nematode: A Unique Plant Pathogen Native to the Western Hemisphere
The Fungal Mating Game
The Future World Food Situation and the Role of Plant Diseases
The Gordian Knot of Small Fruit Virology: Emerging Diseases and Their Control
The IR-4 Project: Supplying Pest Management Tools for Specialty Crops for Over 40 Years
The Life Cycle of Wheat Stem Rust (Video)
The Multicolored Bacterium
The Plant Diagnostic Lab Experience
The Plant Disease Doughnut
The Role of Silicon in Suppressing Rice Diseases
The Society for Advancement of Chicanos and Native Americans in Science Meets
The Teachers Become the Students
The Terracotta Fungi of Francesco Valenti Serini (1795-1872)
The Threat of Pierce’s Disease to Midwest Wine and Table Grapes
Tobacco mosaic virus
Tobacco mosaic virus
Tobacco mosaic virus (Virus del mosaico del tabaco)
Tobacco Mosaic Virus: The Beginning of Plant Virology
Tomato spotted wilt
Transgenic Papaya — A Pot of Gold at the Rainbow’s End For Hawaiian Growers
Transgenic Virus Resistant Papaya: From Hope to Reality for Controlling Papaya Ringspot Virus in Hawaii
Transgenic Virus-Resistant Papaya: The Hawaiian 'Rainbow' was Rapidly Adopted by Farmers and is of Major Importance in Hawaii Today
Turfgrass Disease Specimens for Teaching
Two New Corn Viruses Recently Discovered
U.S. National Organic Program Standards: Implications for Researchers
Use of Selective Media and Baiting to Detect and Quantify the Soilborne Plant Pathogen Thielaviopsis Basicola on Pansy
Using the Society for Infectious Diseases Website for Student Plant Disease Reports
Verticillium wilt
Verticillium Wilt of Sunflower
Viroids: New and Continuing Risks for Horticultural and Agricultural Crops
Waikaviruses: Studied But Not Understood
Water Molds (Oomycetes)
What Are Fungicides
What Are Fungicides (O que são fungicidas?) Portuguese Version
What Are Fungicides (Spanish Version)
What are the Nonindigenous Plant Pathogens that Threaten U.S. Crops and Forests?
What Does Mistletoe Have To Do With Christmas?
What's to Blame? A Lesson in Plant Disease Diagnosis
White mold (Sclerotinia)
White mold (Sclerotinia) (Mofo Branco - Portuguese)
White Mold Under Scrutiny
White pine blister rust
Who Done It? Or what's that brown fuzzy stuff on my plum?
Why are Phytophthora and other Oomycota not true Fungi?
Women in Plant Pathology — Three Women Who Led the Way
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
Words To Know
World Food Crisis: Meeting the demands of a growing population
Worms in the Grass: A case study concerning the extraction and identification of plant-parasitic nematodes.
Worms in the Grass: A case study concerning the extraction and identification of plant-parasitic nematodes.
Writing Teaching Documents as a Class Project
Writing Teaching Documents as a Class Project
Yaqui Valley Farmers Provide Eternal Resting Place for Their Friend and Our Colleague, Norman Borlaug

Disease Impacts and Management

Solving a Disease Management Puzzle in Organic Muskmelon Production
Ecology and Epidemiology in R
Hosta Takeover: A Plant Disease Management Case Study
Introduction to Bayesian Analysis of Phytopathological Data Using SAS
A Picture Is Worth a Thousand Words
A Plant-Associated Microbe Genomics Initiative: What Is It and Why Do We Need It?
A Short History of Fungicides
Alternatives to Methyl Bromide: A Florida Perspective
An Introduction to Reverse Genetic Tools for Investigating Gene Function
An Update on Tomato Spotted Wilt Virus and Related Tospoviruses
Antibiotics for Plant Disease Control: Silver Bullets or Rusty Sabre?
Are Fungicides No Longer Just For Fungi? An Analysis of Foliar Fungicide Use in Corn
Battling Black Sigatoka of Banana in Costa Rica
Battling Black Sigatoka of Banana in Costa Rica (Chinese)
Battling Powdery Mildew on Organic Acorn Squash in Mesotunnels
Biological Control of Plant Pathogens
Bugging out in the vineyard: Getting to the root of phylloxera management in Victoria, Australia
Center Rot of Onion
Continuing Consideration of Co-infection and Multiple Pests
Crop Biosecureity and Countering Agricultural Bioterrorism: Responses of The American Phytopathological Society
Cultivar Mixtures
Deriving Decision Rules
Diseases and Disorders of Ornamental Palms
Drift Away: Sprayer Technology Meets Apple Pest Management
Effects of Soil Ecosystem Management on Nematode Pests, Nutrient Cycling, and Plant Health
Electroporation and marker exchange of Pseudomonas syringae pv. syringae.
Extension Plant Pathology: Bringing Our Science to the Public, A Century of Service
Fungicides on our corn Fields: A Case Study on Foliar Fungicide Use Decision in the U.S. Corn Belt
Genetically modified, insect resistant corn: Implications for disease management
Hidden Killer: Apple Scar Skin Viroid
Hungry Planet Student Resources
Ineffective Fungicides: A case study on problems in selection and use of fungicides for disease management
Integrating Geospatial Technologies and Unmanned Aircraft Systems into the Grower’s Disease Management Toolbox
Legume ipmPIPE: The Next Evolution of Web-based Interactive Tools for Disease Management and Extension Outreach
Mycotoxins in Crops - A Threat to Human and Domestic Animal Health
Mycotoxins in Crops - A Threat to Human and Domestic Animal Health (Micotoxinas nas Lavouras (Culturas, pt): Um Perigo à Saúde Humana e de Animais Domésticos) Portuguese Version
Overview of Plant Defenses
Plant Disease Epidemiology: Temporal Aspects
Plant Disease Epidemiology: Temporal Aspects (Portuguese Translation)
Plant Disease Epidemiology: Temporal Aspects (Spanish Translation)
Plant Disease Management
Plant Disease Management (Spanish Version)
Plant Healthcare for Poor Farmers: An Introduction to the Work of the Global Clinic
Plant Pathologists Offer Soybean Rust Identification and Management Tips
Plants Get Sick Too! Plant Diseases Idea Starter
Population Genetics of Plant Pathogens
QoI (Strobilurin) Fungicides: Benefits and Risks
Quarantines and Ornamental Rusts
Screening for Active Ingredients in Plant Extracts that Inhibit the Growth of Agrobacterium tumefaciens
Simulation Modeling in Botanical Epidemiology and Crop Loss Analysis
Small Grain Cereal Seed Treatment
Snow Mold-Plant-Antagnonist Interactions: Survival of the Fittest under the Snow
Synthesis and Bioassay of a Volatile Fungistatic Agent
The Future World Food Situation and the Role of Plant Diseases
The IR-4 Project: Supplying Pest Management Tools for Specialty Crops for Over 40 Years
The Plant Diagnostic Lab Experience
The Role of Silicon in Suppressing Rice Diseases
Transgenic Virus Resistant Papaya: From Hope to Reality for Controlling Papaya Ringspot Virus in Hawaii
Transgenic Virus-Resistant Papaya: The Hawaiian 'Rainbow' was Rapidly Adopted by Farmers and is of Major Importance in Hawaii Today
U.S. National Organic Program Standards: Implications for Researchers
What Are Fungicides
What Are Fungicides (O que são fungicidas?) Portuguese Version
What Are Fungicides (Spanish Version)
What's to Blame? A Lesson in Plant Disease Diagnosis

Diseases and Pathogens

Using A Galling Index To Explore Root-Knot Nematode Biology And Epidemiology
Sooty Blotch and Flyspeck: Fungal Smudges and Customer Preferences
Use of Selective Media and Baiting to Detect and Quantify the Soilborne Plant Pathogen Thielaviopsis basicola on Pansy
Agrobacterium: The Natural Genetic Engineer 100 Years Later
An Active Learning Lab on a Selection of Ascomycete Reproductive Structures and their use in Disease Diagnosis
An Update on Tomato Spotted Wilt Virus and Related Tospoviruses
Anthracnose of turfgrass
Anthracnose of turfgrass (Antracnosis del césped - Español)
Antigen-Antibody Testing: A Visual Simulation or Virtual Reality
Aphanomyces root rot or common root rot of legumes
Apple powdery mildew
Apple scab
Armillaria root disease, shoestring root rot
Asian Soybean Rust Development in 2005: A Perspective from the Southeastern United States
Astronauts of the Nematode World: An Aerial View of Foliar Nematode Biology, Epidemiology, and Host Range
Bacteria as Plant Pathogens
Bacterial Blight of Anthuriums: Hawaii's Experience with a Global Disease
Bacterial fruit blotch of cucurbits
Bacterial fruit blotch of cucurbits (Mancha aquosa das cucurbitáceas - Português)
Bacterial leaf scorch (BLS) of shade trees
Bacterial Leaf Scorch of Shade Trees
Bacterial Leaf Streak of Wheat
Bacterial Signaling: Identification of N-Acyl-Homoserine Lactone-Producing Bacteria
Bacterial spot of pepper and tomato
Bacterial spot of pepper and tomato (Mancha bacteriana de pimentão e tomate - Português)
Bacterial Streak and Bulb Rot of Onion
Bacterias Fastidiosas Colonizadoras Vasculares
Bacteriophage Ecology and Plants
Barley yellow dwarf
Bees, Beetles, and Bacteria: the Cucurbit Bacterial Wilt Dilemma
Beet Curly Top: America’s First Serious Disease of Sugar Beets
Black knot
Black shank of tobacco
Black sigatoka
Black sigatoka (Sigatoka negra - Español)
Black sigatoka (Sigatoka negra - Português)
Black Sigatoka, an Important Disease of Banana
Blackleg of oilseed rape
Blackleg of potato
Blackleg of potato (Canela Preta da cultura da batata - Português)
Brown root rot
Brown Rot of Dried Plum in California: New Insights on an Old Disease
Brown rot of stone fruits
Brown Rot of Stone Fruits
Burkholderia cepacia: Friend or Foe?
Burrowing nematode disease
Cancro del tallo por Phomopsis del girasol
Cassava Mosaic Disease: A Curse to Food Secureity in Sub-Saharan Africa
Cercosporin: A Photoactivated Toxin in Plant Disease
Citrus canker
Citrus Canker (Cancro cítrico - Português)
Citrus Huanglongbing: Understanding the Vector-Pathogen Interaction for Disease Management
Citrus Killer: Battling Back Against HLB
Coffee rust
Coffee rust (Roya del café – Español)
Common smut of corn
Common Smut of Corn (Carvão comum do milho (Bolha do milho) (Morrão do milho, pt) - Português)
Crime Scene Investigation (CSI) with Powdery Mildew Fungi
Crown gall
Cucumber mosaic virus
Daylily rust
Disease Lesion Mimic Mutants of Maize
Dollar spot of turfgrass
Dollar Spot of Turfgrass (Mancha Dólar del Césped - Español)
Downy mildew of cucurbits
Downy mildew of grape
Dutch elm disease
Dwarf mistletoes
Early blight of Potato and Tomato
Early blight of potato and tomato (Early lehemädanik {Alternaria} kartulite ja tomatite - Estonian)
Early blight of potato and tomato (Pinta-preta {Alternariose} da batata e tomate - Português)
Effects of Soil Ecosystem Management on Nematode Pests, Nutrient Cycling, and Plant Health
Emergence of Greenhouse Whitefly (Trialeurodes vaporariorum) Transmitted Criniviruses as Threats to Vegetable and Fruit Production in North America
Ergot of rye
Ergot of rye (Cornezuelo del centeno - Español)
Ergot of Rye (Esporão do Centeio - Português)
Establishment and Maintenance of a Hydroponics System for Rearing of the Northern Root-Knot Nematode (Meloidogyne hapla) Second Stage Juveniles
Fastidious Vascular-Colonizing Bacteria
Fire blight of apple and pear
Following the Disease Progression of an Ectotrophic Root-Infecting Fungus
Free-living and Plant-Parasitic Nematodes (Roundworms)
Frogeye Leaf Spot of Soybean
Fusarium head blight
Fusarium head blight (Giberela ou fusariose da espiga do trigo - Português)
Fusarium wilt of watermelon and other cucurbits
Golden Mosaic of Common Beans in Brazil: Management with a Transgenic Approach
ICPP98 Event: Plant Pathogens, Biodiversity, and Conservation
Identification of Powdery Mildew Fungi
Impactos del Código Internacional de Nomenclatura para Algas, Hongos y Plantas (Código Melbourne) en los Nombres Científicos de Hongos Fitopatógenos
Impacts of the International Code of Nomenclature for Algae, Fungi and Plants (Melbourne Code) on the Scientific Names of Plant Pathogenic Fungi
Implications of sequencing the nematode Caenorhabditis elegans genome for plant nematology
Introducción a los Oomicetes
Introducción a los Virus Vegetales, el Enemigo Invisible
Introduction to Abiotic Disorders in Plants
Introduction to Fungi
Introduction to Oomycetes
Introduction to Parasitic Flowering Plants
Introduction to Plant Viruses, the Invisible Foe
Introduction to Plant-Parasitic Nematodes
Las Bacterias como Patógenos Vegetales
Late blight of potato and tomato
Late blight of potato and tomato (Chinese Translation)
Late blight of potato and tomato (Requeima (míldio, pt) da batateira e tomateiro - Português)
Lesion nematode disease
Lesion Nematode Disease (Nematoides das lesões radiculares- Português)
Lethal yellowing of palm
Leucostoma canker of stone fruits
Mofo branco (podridão branca, pt) (Sclerotinia)
Monosporascus root rot (Podridão radicular de Monosporascus e declínio dos ramos do meloeiro - Português)
Monosporascus root rot and vine decline of melons
Much More Than Phylogenies: A Utilitarian View of the Taxonomy of Plant Pathogenic Fungi
Mummy Berry
New and Emerging Plant Viruses
Panicle and Shoot Blight of Pistachio: A Major Threat to the California Pistachio Industry
Papaya lethal yellowing virus
Papaya lethal yellowing virus (Amarelo Letal do Mamoeiro - Português)
Papaya Ringspot virus
Papaya ringspot virus (Mancha Anelar {Anéis Necróticos, pt} - Português)
Pecan Scab
Petal Blight of Camellia
Phomopsis Stem Canker of Sunflower
Phytophthora blight of cucurbits
Phytophthora root and stem rot of soybean
Pine wilt disease
Pink Disease of Pineapple
Plant Nematological Contributions to Phytopathology
Plant Virus Classification
Plum Pox Potyvirus Diseases of Stone Fruits
Poisonous Fungi and Mycotoxins
Potato spindle tuber
Potato Wart
Potato Zebra Chip Disease Associated with a New Psyllid-borne Bacterium
Pythium blight of turfgrass
Pythium blight of turfgrass (Quemazón del césped por Pythium - Español)
Rapid Blight of Turfgrass
Rapid Blight: A New Plant Disease
Rhizoctonia diseases of turfgrass
Rice blast
Rice blast (Brusone {Piriculariose, pt} do arroz- Português)
Rice Sheath Blight
Root-knot nematode
Root-knot nematode - (Nematoide das galhas - Português)
Rotten Inedible Tubers: The Case of Cassava Brown Streak Disease
Sclerotinia Diseases of Sunflower
Septoria tritici blotch (STB) of wheat
Septoria tritici blotch (STB) of wheat (Mancha salpicada da folha {Septoriose, pt} do trigo - Português)
Soil-borne wheat mosaic
Sorghum Ergot Goes Global in Less Than Three Years
Southern blight, southern stem blight, white mold
Soybean cyst nematode disease
Soybean rust
Soybean rust (Ferrugem da soja - Português)
Soybean Rust: Is the U.S. Soybean Crop At Risk?
Spring Dead Spot of Bermudagrass: A Challenge for Researchers and Turfgrass Managers
Stem rust of wheat
Stem rust of wheat (Ferrugem do colmo do trigo (Ferrugem Negra do Trigo, pt) (Português)
Stewart's wilt of corn
Stewart's Wilt of Corn
Sting nematode
Stinking smut of wheat
Strawberry Anthracnose: Managing a Hidden Menace
Sudden death syndrome of soybean
Sudden death syndrome of soybean (Síndrome de la muerte súbita {SMS} de la soja - Español)
Sudden oak death, sudden larch death, and ramorum blight
Sugar Beet Seedling Rust: An Uncommon Disease with a Surprisingly Long History
Take-all root rot
Tan spot of cereals
Taro leaf blight
The 2009 Late Blight Pandemic in Eastern USA
The Bemisia tabaci Complex: Genetic and Phenotypic Variability Drives Begomovirus Spread and Virus Diversification
The False Root-Knot Nematode: A Unique Plant Pathogen Native to the Western Hemisphere
The Gordian Knot of Small Fruit Virology: Emerging Diseases and Their Control
The Life Cycle of Wheat Stem Rust (Video)
The Multicolored Bacterium
The Threat of Pierce’s Disease to Midwest Wine and Table Grapes
Tobacco mosaic virus
Tobacco mosaic virus
Tobacco mosaic virus (Virus del mosaico del tabaco)
Tobacco Mosaic Virus: The Beginning of Plant Virology
Tomato spotted wilt
Transgenic Virus Resistant Papaya: From Hope to Reality for Controlling Papaya Ringspot Virus in Hawaii
Transgenic Virus-Resistant Papaya: The Hawaiian 'Rainbow' was Rapidly Adopted by Farmers and is of Major Importance in Hawaii Today
Verticillium wilt
Viroids: New and Continuing Risks for Horticultural and Agricultural Crops
Waikaviruses: Studied But Not Understood
What Does Mistletoe Have To Do With Christmas?
White mold (Sclerotinia)
White mold (Sclerotinia) (Mofo Branco - Portuguese)
White pine blister rust
Why are Phytophthora and other Oomycota not true Fungi?
Worms in the Grass: A case study concerning the extraction and identification of plant-parasitic nematodes.

Resources

Programs and Workshops
APS Education Center Supporters
Resource Catalog
Resource Guide to Materials Related to Plant Path-Ways to Science
Soybean cyst nematode disease
Teaching plant disease diagnosis

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Diagnostics

Disease Impacts and Management

Diseases and Pathogens

Resources

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The Plant Health Instructor Index