Pear tree - Ask Extension
Can you identify what this is on my pear tree and how to treat it?
Knowledgebase
Pear tree #887647
Asked October 10, 2024, 12:36 PM EDT
Can you identify what this is on my pear tree and how to treat it?
Yamhill County Oregon
Expert Response
We have gotten a lot of questions about this one this year. This is a new disease for us in the last few years and is called pear trellis rust. It has juniper as an alternate host and might be the way you can manage the disease. You can read all about here: https://pnwhandbooks.org/plantdisease/host-disease/pear-pyrus-spp-trellis-rust-european-pear-rust
