Blueberry Blog - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension

Wild Blueberry Blog

Real-Time Updates on Frost, Disease and Pest Events in Maine!

Botrytis cover blueberry plant post bloom Events are grouped by the years 2022 and 2021 below. Please consider completing and submitting the Signs and Symptoms Survey at the bottom of this page as well to help track these events and improve real-time updates for growers.

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Frost damage on blueberry flowers and buds — Frost kills all flowers on each stem and newly emerging leaves.

What Signs and Symptoms have you observed?

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2021 and 2022:

Cold temperatures during night from May 24th to May 25, 2022
End of chance of Monilinia infection and recent cold temperatures, May 11, 2022
Monilinia infections from May 3 to May 5th 2022
Monilinia infection April 27th to April 28th
Monilinia infections April 26, 2022
Mummy berry report for Friday April 22, 2022
Possible mummy berry infection in midcoast region April 19, 2022
Mummy berry report for April 15, 2022: possible infection in midcoast
Possible Mummy berry infection in the next few days in Midcoast
Mummy berry report for April 12, 2022 – Plants and Mummy berry are progressing