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Fungi/Mold on our tree #871353

Asked June 03, 2024, 3:24 PM EDT

We would appreciate some advice on the fungi/mold on our ornamental crab apple tree, how do we get rid of it and how to keep it from returning?

Wright County Minnesota

Expert Response

Hi Rick,

This looks like apple scab. Here's more information, and follow the link on scab:

https://apps.extension.umn.edu/garden/diagnose/plant/deciduous/crabapple/leavesspots.html

Good luck.

MJ Replied June 04, 2024, 6:01 PM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Fungi/Mold on our tree #871353

Expert Response

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