Cooperative Extension: Maine Wild Blueberries

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. […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

The last reports I had of new cups and pinheads was last Tuesday in Whiting/East Machias and most places reported no new pinheads or drying up cups later in the week through the barrens.  I think with the warm weather we have had after the weekend we are probably finished with mummy berry infection this […]

Washington County Cups are probably dried up in most areas, except in later fields.  If you have a late field, your field may have experienced an infection period overnight. Please see the table below. Please let me know if you still have cups. You can email me, Seanna Annis, at sannis@maine.edu or call me at […]