Ten Tree Diseases Every Tree Care Provider Should Know

1
Ten Tree Diseases Every TreeCare Provider Should
Know

• Patrick Weicherding
• Regional Extension Educator
• Natural Resources Environment
• Andover Regional Center

2
Diagnosing Tree Health Problems

• Diagnostics is a systematic process for learning
  about the plant and its needs and weaknesses,
  observing symptoms and signs, and gathering
  information about factors affecting the trees
  health.

3
Diagnosing Tree Health Problems

• Factors affecting tree health
• Biological factors (insects, disease, wildlife)
• Environmental factors (weather, soil, air
  pollution)
• Cultural factors (pruning, watering, weed control)

4
Diagnosing Tree Health Problems

• The Diagnostic Process rules which lead to
  improved success
• Know your plants
• Look for patterns
• Learn the symptom profile
• Perspective is valuable
• Timing is everything
• Nothing is sure-fire

5
Diagnosing Tree Health Problems

• Symptoms and Signs
• A symptom is a response by a plant to a pest,
  disease or injury visual evidence without its
  physical presence.
• Drooping leaves, lack of fruit, or a general
  decline in tree health are symptoms.