Q.Conference Pear tree
Has anyone seen this? Bright red blemish on the top of the leaf and a growth on the underside. Hadn’t seemed to affect the fruit.

Alisma
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on October 9, 2016
It could be either pear rust or Entomosporium leaf spot of pear. Check whether the pictures and symptoms match:
https://www.rhs.org.uk/advice/profile?PID=236
https://apps.caes.uga.edu/gafaces/?public=viewStory&pk_id=4768
http://msue.anr.msu.edu/news/scout_your_bradford_pears_now_for_european_pear_rust
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