What Diseases Are My Ornamental Pear Trees Infected With? - Ask Extension
There are two kinds of lesions on my ornamental pear tree. What kind of disease are they? How to treat it? Is it necessary to spray a fungicide, and i...
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What Diseases Are My Ornamental Pear Trees Infected With? #847176
Asked August 24, 2023, 4:29 PM EDT
There are two kinds of lesions on my ornamental pear tree. What kind of disease are they? How to treat it? Is it necessary to spray a fungicide, and if needed, pls recommend an effective fungicide. Thank you so much!
Orange County New York
Expert Response
You have pear rust. Remove affected leaves and spray weekly with an organic fungicide such as copper.
Peggy, Master Gardener Volunteer
