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Bradford Pear Cedar-Quince Rust: Orange Spikes on Fruit

Orange spikes on Bradford pear fruit = cedar-quince rust. Needs nearby juniper/cedar alternate host. Harmless to ornamental pear health/flowering. If edible pears nearby, pick off infected fruit and check junipers for brown galls.

Cedar quince rust on pear

Cedar quince rust on juniper

About Gardening: Grafting Pears on Quince BA 29 Rootstock: Interstem Techniques and Compatibility; Mystery Fruit Tree: Pear or Wild Seedling?; Growing Quince from Seed: Propagation Tips and Grafting Insights; Identifying a Mystery Pear Variety from Fruit and Seed; Rose Rust in July: Not Just Spring Disease Anymore; Rust Disease on Chemical-Free Lawn: Let It Run Its Course; Lawn Rust Disease: Cultural Control Without Fungicides; Treating Rust Spots on Cucumber Leaves; Cedar-Quince Rust: A Dual-Host Disease; Daylily Rust: Identification and Persistent Fungicide Program

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