Knowledgebase
Zestar and Honeycrisp issues #877849
Asked July 18, 2024, 8:16 PM EDT
Wright County Minnesota
Expert Response
Hi Michael,
That sure looks like apple scab to me.
https://hort.extension.wisc.edu/articles/applescab/
There has been tons of it this years because of our very wet weather.
https://ask2.extension.org/kb/faq.php?id=846320
Bummer, at least you are not alone in your scab situation. Make sure to pick up all fallen leaves and discard them in the trash. I'm a huge fan of individually bagging my apples. It's the way to go if you just have a few trees.
Good luck,
Sally Granath
St. Louis County MG
Hi Michael,
It's too late for the spray. Just focus on keeping the tree and sight very clean, collecting all the diseased leaves and fallen fruit.