09/02/2022
https://www.udel.edu/academics/colleges/canr/cooperative-extension/fact-sheets/ash-rust/
https://www.davey.com/insect-disease-resource-center/ash-leaf-rust/
Due to the fact that we had an abnormally wet spring, the Ash trees in the greater Moncton area have been affected by a fungus which affects coastal regions. Do not panic! You can simply rake up and dispose of the leaves as they drop and monitor the tree in subsequent years.
Ash leaf rust are rust spores that appear on ash leaves as bright orange or yellow powdery masses in Spring. Premature defoliation can occur with severe infections. Learn how to best manage and treat ash leaf rust.