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Black spot: Asian Pear leaves #653302

Asked June 19, 2020, 2:43 PM EDT

What would be an effective treatment for what appears to be Black Spot/fungi? On the leaves of an Asian Pear tree? Thank you.

Lane County Oregon

Expert Response

It would depend on what is causing the spots. I suspect it could be Fabraea leaf spot. Follow this link and then to quince (same disease) to learn more about this disease and see if it fits your situation:

Jay W. Pscheidt, PhD, Professor Replied June 22, 2020, 1:42 PM EDT
Thank you for your response.  Please see attached photos, they look slightly different from the photos in the link???Was there a recommended type of treatment in the link, I could only open up 1 page.

Thank you.
The Question Asker Replied June 23, 2020, 10:53 PM EDT
Thank you for your response.  Please see attached photos, they look slightly different from the photos in the link???Was there a recommended type of treatment in the link, I could only open up 1 page.

Thank you.
The Question Asker Replied June 23, 2020, 10:53 PM EDT
Thank you for your response.  Please see attached photos, they look slightly different from the photos in the link???Was there a recommended type of treatment in the link, I could only open up 1 page.

Thank you.
The Question Asker Replied June 23, 2020, 10:53 PM EDT
Yes, this is much different. A common problem on all pears are these eriophyid mites. Read about them here:


Jay W. Pscheidt, PhD, Professor Replied June 24, 2020, 9:41 AM EDT

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