APSnet Education Center
Introduction to the Pathogen Groups
Bacteria as plant pathogens
Las bacterias como patógenos vegetales (Spanish)
Fastidious vascular-colonizing bacteria
Bacterias fastidiosas colonizadoras vasculares (Spanish)
Plant Disease Lessons
Bacterial leaf scorch (BLS) of shade trees
Citrus canker
Crown gall
Fire blight of apple and pear
Lethal yellowing of palm
APSnet Features
Antibiotics for Plant Disease Control: Silver Bullets or Rusty Sabers?
Citrus Huanglongbing: The Pathogen and Its Impact
Phytoplasma Casts a Magic Spell That Turns the Fair Poinsettia into a Christmas Showpiece
Plants, Pathogens, and People: Crown Gall
GO TO Resources, Diseases, Crown Gall for information
GO TO Activities, Pathogens, Crown Gall for virtual laboratories
Includes an animation of the crown gall disease cycle. To see this, you must
make a few clicks: (1) Resources, (2) Diseases, (3) Crown gall, (4) Pathogen
biology: What causes crown gall? (5) On the left: What is the disease cycle
of Agrobacterium tumefaciens?
Quarantine Maps of Some Bacterial Diseases Discussed in This Chapter
Type in the name of the pathogen in the database for the map and other information.
Citrus canker (Xanthomonas axonopodis pv. citri)
Coconut lethal yellowing phytoplasma
Fire blight (Erwinia amylovora)
Huanglongbing (citrus greening)
Xylella fastidiosa
State of Florida Websites
Citrus Health Response Program: Citrus Canker
Citrus Health Response Program: Citrus Greening Disease (Huanglongbing)