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Common Health Issues in Urban Trees

Although many things can effect tree health or be considered a defect, below are lists of common conditions that are present in urban trees:

  • Regrowth from topping, line clearance, or other pruning
  • Electrical line adjacent to tree
  • Broken or partially attached branch
  • Open cavity in trunk or branch
  • Dead or dying branches
  • Branches arising from a single point on the trunk
  • Decay and rot present in old wounds
  • Recent change in grade or soil level, or other construction

Diseases
  • Anthracnose
  • Apple Scab
  • Ash/Maple Decline
  • Dutch Elm Disease
  • Fire Blight
  • Pine Wilt
  • Verticillium Wilt
  • Wetwood

 

 Insects
  • Aphids
  • Bagworms
  • Borers
  • Boxelder Bugs
  • Carpenter Ants
  • Cottony Maple Scale
  • Other Scale Insects
  • Elm Leaf Beetle
  • Emerald Ash Borer 
  • Flea Weevil
  • Leafhoppers
  • Mites
  • Plant Bugs
  • Tent Caterpillars
 Abiotic/Other
  • Ash Flower Gall
  • Construction
  • Drought
  • Excess Water
  • Frost/Winter Damage
  • Girdling Roots
  • Herbicide Damage
  • Leaf Galls
  • Leaf Scorch


 

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Village of Lombard: 255 E. Wilson Ave., Lombard, IL 60148-3969, Ph: (630) 620-5700 | Open Mon. 8:00 am - 7:00 pm, Tues. - Fri. 8:00 am - 4:30 pm
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