Knowledgebase
Spraying for apple rust #872197
Asked June 08, 2024, 2:58 PM EDT
Scott County Minnesota
Expert Response
https://extension.umn.edu/yard-and-garden-insects/apple-maggot
There are several approaches. One is to bag the apples (pretty much now) with sandwich bags. This method is described in the link above. You can also spray. There are various protocols, but the spraying has to be done through the summer.