Cooperative Extension: Maine Wild Blueberries

4.27.12 Mummy Berry Forecast: Friday, April 27

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By Seanna Annis

All Areas

An infection period for the fungus to get into the plants was produced in most blueberry growing areas from Thursday through Friday.

If you applied a fungicide on or after Thursday, April 19, your plants were probably protected during this infection period.

If you applied a fungicide before Thursday, April 19, then you may wish to apply fungicide again to protect your plants.  You have 72 hours after the start of the infection period to apply fungicide to kill off any fungus that penetrated into the plants.

You will also need to consider if pollinators are present in your field when deciding whether or not to apply a fungicide.

The following times are approximate times when infection periods started in different areas.