Disease Forecast Blog

Mummy berry infection period May 7 to May 8

The rain across the state caused conditions for mummy berry infection period in all weather station locations. I think we are still in peak mummy berry spore producing in most locations. I have not had any reports of cups drying up and past. Plants will likely be susceptible unless you have a very late field. […]

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Mummy berry infection period from May 7 to May 8, May 4 to May 6

Mummy berry infection periods were possible in some fields over the weekend.  Please see table below for fields in your area. Cups are still present in fields across the Midcoast and Washington counties.  There has been  a lot of variability in bud development reported.  Most fields are likely at the susceptible stage, but you should […]

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Mummy berry infection period May 3 to May 4

Weather conditions for a mummy berry infection period were reported in all fields with weather stations.  Cups are present in fields across the Midcoast and Washington counties.  Most fields are reported to be at the susceptible stage, but you should check your field. If you have applied a fungicide in the past 7 days before […]

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Mummy berry infection periods overnight May 1 to May 2, 2019

There were infection periods across blueberry growing regions in Midcoast and Downeast overnight.  Most growers with mummy berry plots in these regions have reported cups in their fields.   Many have reported their plants are at 30 to 40% F2, but some fields were not at that stage yet.  Please check your plants. If you have […]

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May 1, Possible future mummy berry infection later this week

Midcoast I have reports of Monilinia apothecia (cups) in Waldoboro, Liberty, Appleton and Searsport.  Plants are reported to be in many fields at 40% F2 or more. Downeast- Hancock and Washington county I have reports of apothecia in Ellsworth, Jonesboro, Whiting and Crawford.   Plants are more variable with buds at BBHF in Jonesboro at […]

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Possible infection period in Midcoast region April 26 to April 27, 2019

Midcoast area Monilinia cups (apothecia) have been reported in Waldoboro, and Appleton areas. There have been conditions for an infection period from Friday April 26th to Saturday April 27th with this wet weather continuing today.  Whether an infection period occurred in your field will be determined by the stage of your plants.  If they are […]

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Possible Mummy berry infection period Waldoboro April 26, 2019

There has been a possible infection period overnight starting at April 25, 2019 at 7:50pm in the Waldoboro area.   Some cups were reported in this area.  Whether there is infection in nearby fields will be determined by the stage of the plants.  Please check your plants.  If they are at 30 to 40% F2 or […]

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Mummy berry season is starting for 2019

We have reports of pinheads to small apothecia (cups) of the Monilinia fungus in Waldoboro, West Rockport and Ellsworth.  The plants are getting very close too and likely will be at the susceptible stage of 30 to 40%  F2 (crown stage) flower buds very soon.  There is rain forecast for Friday, and this may cause […]

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Time to put out mummy berry plots for 2019!

Now is the time to collect mummy berries to put out your own plot.  It is easy to set out plots and it will provide you with valuable information next spring on when the fungus is active in your field.  You will need to look at the plot in the spring about 2 times a […]

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Frost event in Washington County, June 3 to June 4, 2018

Temperatures dropped into the 30s F in many fields last night and below freezing in some, see table below.  These cold temperatures may damage flowers.  If you wish to see the temperatures for the weather station closest to your field, please go to the following website.  You can click on the graphs on the top […]

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