Knowledgebase

Pear Tree Problem #329735

Asked June 07, 2016, 12:42 PM EDT

I have a 2 year old Moonglow pear tree that has suddenly developed black spots on most of its leaves. I can't tell if this is from an insect, fungus, or something else. I don't think it is fire blight. I have a Kieffer pear tree next to it, and it only has a few spots on a handful of leaves.

Saratoga County New York

Expert Response

The spots on the leaves are caused by a leaf spot fungi. The disease spots normally do not kill the tree but could reduce fruit production if the damage is heavy. Sanitation, cleaning up dead leaves, branches and fruit will help reduce future disease problems. Preventive spray applications of a copper fungicide are recommended for control.
Contact your local Extension Service Office for pest control recommendations in your region.
An Ask Extension Expert Replied June 09, 2016, 10:47 AM EDT

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