Pear trees with black edges on leaves

[Susu]

I’ve had that in the past. Not sure what it is but I took off the black leaves and sprayed copper on it and if I remember right it seemed to help.
Check out below link:

Pear disease and Insect identification

It’s that time of the year when people start seeing a lot of diseases and insect problems with pears. I thought I would post links on how to identify pear diseases so you can better treat them. I realize there are many other general disease threads out there but I wanted to focus on pears specifically. Pear scab http://extension.umaine.edu/ipm/ipddl/plant-disease-images/pear-scab-disease-images/ http://www.caf.wvu.edu/kearneysville/disease_descriptions/ompearsc.html https://ask.extension.org…