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Pear leaf disease
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John S
PDX OR
2564 Posts
(Offline)
1
October 12, 2022 - 10:32 am

Does anyone know what this is? First time I've seen it.

Leaf disease

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John S
PDX OR
2564 Posts
(Offline)
2
October 12, 2022 - 10:33 am

Top leaf disease

Thanks,

John S
PDX OR

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Larry_G
142 Posts
(Offline)
3
October 12, 2022 - 1:11 pm

Compare to image search for pear+leaf+galls

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John S
PDX OR
2564 Posts
(Offline)
4
October 12, 2022 - 6:47 pm

It's a dead ringer on Google images for both pear rust and pear leaf galls.

Thanks,

John S

PDX OR

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JeanW
27 Posts
(Offline)
5
October 13, 2022 - 1:34 am

John,

Yes, that is pear trellis rust.  It's pretty common around Western Washington now and has been found in Oregon since 2016.

https://pnwhandbooks.org/plant.....ear-rust 

http://hortsense.cahnrs.wsu.ed.....emId=802 

JeanW

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