Lilac witches' broom
Candidatus Phytoplasma fraxini
- Leaves in the entire canopy are pale green to yellow, leaf edges may turn brown
- Witches' brooms, a cluster of numerous small weak shoots arising from one point, occur on branch ends and clustered along the base of the tree
- Leaves on witches' broom are small, pale green to yellow and distorted
- Individual branches die, the tree declines and eventually dies
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