by Pacific Northwest Arborists | Dec 10, 2019 | Tree Disease
EUROPEAN PEAR RUSTWHAT IT IS: Juniper Tree FungusEuropean Pear Rust is a disease caused by a rust fungus (Gymnosporangium sabinae) that attacks both pear trees and juniper trees. FACT: the rust fungus needs both the pear and juniper tree to complete its life cycle....
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