Introductions to the Major Pathogen Groups
Basic information on the history, biology, survival, dissemination, host-parasite interactions, epidemiology and management of the major groups of plant pathogens. This section is in development.

Plant Disease Lessons
Illustrated lessons to introduce the symptoms and signs, pathogen biology, disease cycle, epidemiology, disease management, and scientific, economic and social significance of major plant diseases. To purchase a CD-Rom version of the plant disease lessons and an illustrated glossary, click here.

Plant Disease Management Simulations
Lessons and simulations appropriate for plant pathology courses as well as continuing education for plant health professionals.

Laboratory Exercises
Lab exercises appropriate for introductory or general plant pathology courses as well as microbiology and biology courses. Includes instructor notes.

Topics in Plant Pathology
Presentations on general topics appropriate for introductory or general plant pathology courses.

Illustrated Glossary
Definitions of commonly used terms related to plants and plant pathology written for students and instructors with a background in biology. Click on the image icon to see a photograph or drawing of the term. To purchase a CD-Rom version of plant disease lessons and an illustrated glossary, click here.

Selected APSnet Feature Articles by pathogen group

Fungi and fungallike organisms

• Black Sigatoka of Banana: The Most Important Disease of a Most Important Fruit
• Bunts and Smuts Revisited: Has the Air Been Cleared?
• The Christmas Tree: Traditions, Production, and Diseases
• Flora W. Patterson: The First Woman Mycologist at the USDA
• Genetically Modified, Insect Resistant Maize: Implications for Management of Ear and Stalk Diseases
• Return of an Old Problem: Fusarium Head Blight of Small Grains
• Snow Mold-Plant-Antagonist Interactions: Survival of the Fittest under the Snow

Nematodes

• Implications of sequencing the nematode Caenorhabditis elegans genome for plant nematology

Bacteria and other prokaryotes

• Antibiotic use for plant disease management in the United States
• Burkholderia cepacia: Friend or Foe?
• Citrus Canker: The Pathogen and Its Impact
• Phytoplasma Casts a Magic Spell that Turns the Fair Poinsettia into a Christmas Showpiece
• Recent Trends in Microbiological Safety of Fruits and Vegetables

Viruses and viroids

• 1898 - The Beginning of Virology ... time marches on
• Transgenic Virus Resistant Papaya: New Hope for Controlling Papaya Ringspot Virus in Hawaii
• Viroids: New and Continuing Risks for Horticultural and Agricultural Crops

Selected APSnet Feature Articles by general subject

Biological Control

• Biological control of plant pathogens: Research, commercialization, and application in the USA.
• Burkholderia cepacia: Friend or Foe?
• Snow Mold-Plant-Antagonist Interactions: Survival of the Fittest under the Snow

Chemical Control

• Antibiotic use for plant disease management in the United States

Genomics and Genetic Engineering

• Beyond Jurassic Park: Real Science with Ancient DNA
• Can Risk Analysis "Colorize" the Black and White of Transgenic Crops?
• Genetically Modified, Insect Resistant Maize: Implications for Management of Ear and Stalk Diseases
• Implications of sequencing the nematode Caenorhabditis elegans genome for plant nematology
• Transgenic Virus Resistant Papaya: New Hope for Controlling Papaya Ringspot Virus in Hawaii

History

• Beyond Jurassic Park: Real Science with Ancient DNA
• The Christmas Tree: Traditions, Production, and Diseases
• Effie A. Southworth, First Woman Plant Pathologist Hired at USDA
• Flora W. Patterson: The First Woman Mycologist at the USDA
• 1898 - The Beginning of Virology ... time marches on

Tropical Diseases and the World Food Supply

• Black Sigatoka of Banana: The Most Important Disease of a Most Important Fruit
• Citrus Canker: The Pathogen and Its Impact
• The Future World Food Situation and the Role of Plant Diseases
• Transgenic Virus Resistant Papaya: New Hope for Controlling Papaya Ringspot Virus in Hawaii

Multilingual Illustrated Videodisc Lessons in Plant Pathology
This resource is intended to complement and augment the APS Plant Disease Video Image Resource, a videodisc of nearly 10,000 images related to plant pathogens and diseases.

Resource Catalog
Annotated resources for students and instructors including articles, books, video, slide sets, websites, and additional items.