Cooperative Extension: Maine Wild Blueberries

Hancock and Washington Counties There were conditions for mummy berry infection throughout this area overnight.  Please see the chart below for times when infection periods started.  Some start times are a bit uncertain due to some interrupted reports in cellular signal for the weather stations, but I am certain infection periods did occur in those […]

Hancock and Washington Counties Localized rain has produced a mummy berry infection period overnight at our weather stations in Eastbrook, Aurora, and Deblois.  Other locations did not have infection periods overnight.  I suspect the rain forecast for today will produce infection periods in other fields today. If you have applied fungicides after May 9 to […]

Hancock and Washington Counties I have heard from a variety of growers and sounds like cups are drying up in some areas BUT are still active with pinheads and mature spore-producing cups in other fields.  Whether there are still cups in your field, likely depends upon how far along your field is and how much […]

Hancock and Washington Counties I have had reports of cups and pinheads around various areas of Hancock and Washington counties on Thursday and Friday of last week (May 14 and 15), so I think there were still cups present in fields over this weekend in these areas.  The cups are drying up and I suspect […]

Hancock and Washington Counties Mature cups producing spores and pinheads are still being reported in areas around these counties.  In some fields, the cups and pinheads appear to have dried up in the mummy berry plots, but I suspect there are still cups present in other areas of the field considering how widespread reports of […]

Hancock and Washington Counties There were not long enough wet periods for mummy berry infection to have occurred from Tuesday, May 23 night to Wednesday, May 14 morning. There were infection periods in most areas starting on Saturday, May 9 night and another starting Monday, May 11 night, and in some fields starting on Sunday, […]

Lincoln, Waldo and Knox Counties I have reports the cups have dried up in these areas and no new cups or pinheads are developing.  There were conditions for an infection period overnight in these areas but I think it is unlikely that many fields had infections considering the fungus is probably done in most fields.  […]

Knox, Lincoln and Waldo Counties I have reports of cups still be present in fields in Appleton on Friday and drying up cups in Liberty on Saturday.  In West Rockport, the cups are gone and plants are starting to bloom.   Conditions are varying among growers and fields.  If you have a slower or wetter field, […]

There have been conditions to cause an infection period detected at all weather stations currently deployed. Growers have reported their plants are at a susceptible stage and mature spore-producing cups are still be present in fields at this time.   Most fields with mummy berry inoculum will have experienced an infection period overnight. If you have […]

There have been no infection periods in the last few days reported at the weather stations.  While there has been fog reported in some fields over the last few nights, temperatures have been too low and the fog was not long enough for an infection period to occur. Mummy berry cups and pinheads are still […]