K-12
Introductory
Advanced
Illustrated Glossary
Instructor Communication
Translations
APSnet Feature Articles
Lessons and Laboratories
Mentors
News and Views
Programs and Workshops
Resource Guide
DeBary Children's Science Book Award
Introduction to the Pathogen Groups
Plant Disease Lessons
Laboratory Exercises
Topics in Plant Pathology
Case Studies
Hungry Planet: Stories of Plant Diseases
APSnet Feature Articles
Resource Guide
Plant Disease Mngmt Simulations
APSnet Feature Articles
Laboratory Exercises
Resource Guide
Topics in Plant Pathology
Plant Disease Mngmnt. Simulations
A-D
E-H
I-M
N-R
S-V
W-Z
Restricted Area for Instructors
Teaching Articles
Teaching Notes
Home
|
Log In
QUICK LINKS
Join APS
Renew Membership
Buy a Book
APS Journals
Event Calendar
Member Directory
Chapter One
Chapter Two
Chapter Three
Image Gallery
Internet Resources
Words To Know
Podcast
Selected Readings
Questions for Discussion
Chapter Four
Chapter Five
Chapter Six
Chapter Seven
Chapter Eight
Chapter Nine
Chapter Ten
Chapter Eleven
Chapter Twelve
Chapter Thirteen
Chapter Fourteen
Share
APSnet
>
Education
>
Introductory
>
Hungry Planet: Stories of Plant Diseases
>
Chapter Three
>
Image Gallery
Chapter Three
Hungry Planet: Stories of Plant Diseases
Image Gallery
Click image for an enlarged view and more information
.
Coffee
C3.1.
Coffea arabica
berries.
C3.2. Urediniospores of the coffee rust fungus produced on lower leaf surface.
C3.3. Symptoms and signs of coffee rust. Note that some infected leaves have dropped off leaving bare areas on branches.
Coffee rust disease cycle.
Coffea arabica
(left) defoliated by coffee rust, compared to a resistant hybrid of
C. arabica
and
C. canephora
(right).
.
H. Marshall Ward, who was sent to Ceylon (now Sri Lanka) by the British government to save the coffee plantations from the rust epidemic
Rubber
C3.4. A rubber plantation in the Philippines.
C3.5. Tapping rubber.
C3.6. Symptoms of South American leaf blight of rubber.
Disease cycle of South American leaf blight.
Quarantines
C3.7.
The U.S. Department of Agriculture’s “Beagle Brigade.” Beagles are trained to help detect illegal fruits and vegetables at ports of entry.
C3.8.
This magnet from the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) reminds travelers not to bring in potentially harmful pests.