Infection by Mummy berry fungus unlikely this weekend - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension

There are mummy berry (fungus name Monilinia) pinheads, developing cups, and/or active cups being produced plots have been examined in Midcoast and Downeast blueberry fields. In the fields I have reports from, the flower buds are just starting to progress into F2 (T2) stage when they look like a crown. I suggest you wait until read more