Tree Disease No' 2

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Tree Disease No. 2

• Signs
• Natural grafts between roots of oak trees
  growing near each other can also serve as a means
  by which the fungus moves from tree to tree.

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Oak Wilt
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Tree Disease No. 3

• Host species
• A wide range of deciduous woody ornamentals but
  most commonly
• ash (Fraxinus sp.)
• linden (Tilia sp.)
• maple (Acer sp.)

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Tree Disease No. 3

• Symptoms
• The first symptoms that you may notice are
  individual branches that suddenly wilt and die.
  Affected branches may occur on one side of the
  tree or may be scattered throughout the tree.

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Tree Disease No. 3

• Symptoms
• If you carefully peel away the bark of these
  branches, you may see brown or green streaking in
  the sapwood. Streaking is common in trees such
  as maple or redbud, but often is not visible in
  ash.