5.12.18 Mummy Berry Infection period, May 12 to May 14

Midcoast Region

On Friday we have reports that cups were dried up in Waldoboro, but still present in Hope and Appleton areas.  I suspect cups were active in areas over the weekend but are on their way out. There  were conditions in some fields for infection periods over the weekend.  Please see table below.


We are still in the midst of mummy berry season and some fields had infection periods over the weekend. 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 the blueberry hotline 1.800.897.0757.

Start of infection period on Saturday, May 12
(Ended on May 13)
Start of infection period on Sunday, May 13
(Ended on May 14)
Waldoboro 8:20 p.m. No
West Rockport 7:30 p.m. 7:10 p.m.
Hope No No
Searsport No 7:50 p.m.
Monteville 8:40 p.m. 7:30 p.m.
Aurora No No
N. Ellsworth 9:20 p.m. 7:30 p.m.
Sedgwick not working
Eastbrook 11:10 p.m. 7:30 p.m.
Deblois No, too cold No
Montegail No, too cold No
Jonesboro No No
Whiting/E. Machias No 7:50 p.m.
Cooper No 8:00 p.m.
Crawford No 8:10 p.m.

If you applied fungicide about seven days before one of these infection periods, your plants were protected during this infection period.

If you have not applied a fungicide and want to apply a fungicide with some kickback activity, you have approximately 72 hours from the start of the infection period to do so.

Fungicides with some kickback activity include Propimax, Bumper, Orbit, Tilt for example (containing propiconazole) or Indar (containing fenbuconazole).  Please see the 2018 fungicide recommendations on Fact Sheet 219 – Disease Control Guide for Wild Blueberries and check with your buyer before applying any fungicides to your crop.