Issue with apple tree - Ask Extension
Some leaves are turning brown and some apples are curdling. I got this
tree this spring from burgess. Any idea what is the problem.
Knowledgebase
Issue with apple tree #878705
Asked July 25, 2024, 10:45 AM EDT
Some leaves are turning brown and some apples are curdling. I got this
tree this spring from burgess. Any idea what is the problem.
Kittson County Minnesota
Expert Response
Hi Brent,
I can't be sure but this looks like fireblight or black rot, both serious diseases of apples.
This page may help you narrow down the cause:
https://apps.extension.umn.edu/garden/diagnose/plant/fruit/apple/
Here's information on fireblight:
https://extension.umn.edu/plant-diseases/fire-blight
And on black rot:
https://extension.umn.edu/plant-diseases/black-rot-apple
Good luck.