SPOTTING THE SIGNS OF 10 COMMON TREE DISEASES
1. Leaf Rust
If a tree is affected by leaf rust, it may develop a distinctive orange or reddish spotting on its leaves.
2. Fire Blight
Fire blight give trees a burned or charred look, even if they have never been touched by a fire.
3. Powdery Mildew
To determine the health of your trees, check their leaves for signs of damage or strange colorations. When the leaves on your trees start to appear dusty or white, this may indicate that you have a powdery mildew infestation.
Gall is actually a type of fungus that prefers to grow on the trunks and branches of mature trees.
As its descriptive name suggests, witch’s broom is a cluster of broom-like branches and twigs that can pop up in the middle of a tree’s branch.
Canker appears as whitish growths along a tree’s trunk.
7. Leaf Spot
Much like leaf rust, leaf spot causes discoloration on the leaves of a tree.
8. Japanese Beetle
Japanese beetles are an invasive species that can feast on the leaves of the trees in your yard. You can identify the Japanese beetle by looking for its brown thorax.
9. Emerald Ash Borer
The emerald ash borer is a bright green beetle that can destroy a mature tree.
Bagworms are grub-like insects that feed on mature tree leaves and branches.