How to Treat Anthracnose in Infected Soil

Anthracnose is a fugal infection that can plague a variety of trees including oak, elm, walnut, birch, maple and sycamore. Severe cases of Anthracnose can kill the tree, but less serious cases may cause light defoliation or leaf loss. Anthracnose is prevalent in cool, wet conditions. In damp weather conditions, more water on the leaves may cause fungi spores to spread to other parts of the tree. The fungus usually causes brown edges along leaves, brown spots, curling leaves or dying branches. Careful treatment with a fungicide can prevent future outbreaks and preserve the health of the tree.

shovel
fungicide
large pruning shears
large garbage bags

Instructions

- 1
  Purchase a fungicide that is appropriate for large trees. Choose a fungicide that is added to the soil, just below the tree. Follow the directions on the fungicide package regarding application.
- 2
  Dig a small trench around the tree and apply the fungicide to the soil as directed. You will likely have to apply it many times, especially in early spring when trees sprout new leaves.
- 3
  Trim the tree using trimming tools or pruning shears. Be sure to remove any infected branches or leaves, especially new leaves with signs of infection.
- 4
  Rake the leaves from around the bottom of the tree. Remove the leaves and branches and place them in large garbage bags. Older leaves may still carry the spores of the fungus.

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