What is this on our apple trees? - Ask Extension
See picture---what is this and what we can we do about it?
Knowledgebase
What is this on our apple trees? #878559
Asked July 24, 2024, 12:05 PM EDT
See picture---what is this and what we can we do about it?
Anoka County Minnesota
Expert Response
We can't be sure what's affecting the apple by viewing the photo.
However, what we can see resembles damage caused by codling moths. If so, if you cut the apple you may find the larva or evidence of its work around the core.
Compare damage here:
https://images.app.goo.gl/5zMLXbuxUgj5NoyFA
If you think codling moth damage is present, go here to learn about codling moths and how to control them:
https://extension.umn.edu/yard-and-garden-insects/codling-moths
However, what we can see resembles damage caused by codling moths. If so, if you cut the apple you may find the larva or evidence of its work around the core.
Compare damage here:
https://images.app.goo.gl/5zMLXbuxUgj5NoyFA
If you think codling moth damage is present, go here to learn about codling moths and how to control them:
https://extension.umn.edu/yard-and-garden-insects/codling-moths