Wild Blueberry Blog

Possible frost overnight June 1st to June 2nd in many locations

Possible Frost There were possible frost conditions in some locations overnight from Monday June 1st to Tuesday June 2nd.  The table below shows temperatures recorded at the weather stations.  There will be a range of temperatures in any field.  Temperatures below 30F can cause some damage but temperatures below 28F are associated with yield loss.   […]

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Frost and Botrytis risk from May 23rd to June 1st

Possible Frost There were possible frost conditions in most fields from Saturday May 23rd to 24th and Sunday May 31st to June 1st.  Some fields also had frost conditions Sunday May 24th to Monday May 25th.  Temperatures below 30F can cause some damage but temperatures below 28F are associated with yield loss.   The table below […]

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Cold temperatures overnight from May 12th to May 13th

As expected there were cold temperatures across blueberry growing areas overnight.  Please see below for the approximate length of time the weather station recorded temperatures approximately 32F. Location Hours at Cold Temperatures overnight May 12th to May 13th Brunswick 8 Waldoboro 9.5 West Rockport 4 Hope/Appleton 6 Searsport 3 Bluehill 9 Ellsworth/Hancock 9 Aurora 11.5 […]

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Mummy berry infections from May 11th to May 12th

There were weather conditions for Monilinia infections for all weather station locations last night.  I suspect there are still mummy berry cups in most fields considering the cold, wet conditions in the past week.  Please let me know what your mummy berry plots look like before Thursday night, when there is a forecast for more […]

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Cold temperatures reported overnight from May 10th to May 11th

Some weather stations had  cold temperatures (approximately 32F) reported overnight from May 10th to May 11th.  It is expected that Tuesday May 12th night will also have cold temperatures. Location Approximate length of time of Cold Temperatures May 10th to May 11th Brunswick 5hr Waldoboro none West Rockport none Hope/Appleton none Searsport not working Bluehill […]

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Possible mummy berry infection period and cold temperatures May 8 to 10th

All weather stations experienced wet conditions and cold temperatures from May 8th to May 10th.  Following our disease estimates, some fields may have experienced conditions that caused Monilinia infection.  I do not know if infection can occur with snow on the plants.  However, there is a good chance there was infection even with the cold […]

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Mummy berry infections and frost May 6 to May 8th

There are still mummy berry cups reported in all locations that have been examined.  I think there are still cups present in all locations.  Over the past two days, a few fields near Brunswick, Waldoboro, Gouldsboro and Montegail experienced conditions for Monilinia infection on one or both of the last two nights.  Other fields, Brunswick, […]

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