Pear rust

European pear rust is a fungal disease of pear trees, causing bright orange spots on the leaves. It also affects junipers, causing perennial canker-like swellings on the branches.

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European pear rust

Quick facts

Common name European pear rust
Common name Gymnosporangium sabinae
Plants affected Pyrus spp. (pears) and Juniperus spp. (junipers)
Main symptoms Bright orange spots on pear leaves
Caused by Fungus
Timing Leaf spots on pear during summer and early autumn, cankers on juniper all year round producing orange gelatinous mass of spores in spring

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