by Pacific Northwest Arborists | May 1, 2021 | Tree Disease
EUROPEAN PEAR RUSTWHAT IT IS: Juniper Tree FungusEuropean Pear Rust is a disease caused by a rust fungus (Gymnosporangium sabinae). This fungus attacks both pear trees and juniper trees.FACT: the rust fungus needs both the pear and juniper tree to complete its life...