Apple tree/apple pest control
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Apple maggots are the source of the damaged flesh. This publication will help you mange them. Understand that 100% control is unlikely.
"Protecting Backyard Apple Trees from Apple Maggot" is available at
If you have additional questions, you can contact the Washington County Master Gardeners, Monday through Friday, 9 to 11;45 and 1 to 4, via phone (503-821-1150 ext 2) or email (email@example.com).