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Thursday, May 22 Mummy berry disease and Botrytis blossom blight

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Hancock and Washington counties

Mummy Berry Disease

There was another infection period overnight for mummy berry disease at all fields with weather stations in Hancock and Washington counties.  Most cups will be dying off by now, but if you have a later or wetter field there is a chance you may have had infection period overnight.  Fungicide applications should protect your plants for about 7 to 10 days after application.   You have until about 3 days from the start of the latest infection to treat your plants to protect them. 

Botrytis Blossom blight
There were also conditions for a moderate to high risk of Botrytis infection around the weather stations at Sedgewick, North Ellsworth and Eastbrook/Waltham over  Tuesday, May 20th  and Wednesday, May 21st nights.   This does NOT mean these fields will get Botrytis blossom blight.  
 I suggest scouting for Botrytis blossom blight in early blooming clones  and dead weeds in those areas to look for the symptoms of the disease.  IF you find the symptoms, then your field may be at risk for Botrytis infection. 

 

Locations Mummy berry Infection  period starting Wednesday May 22nd 
Sedgewick 9:20am
North Ellsworth 11am
Eastbrook/Waltham 6:40pm
Deblois 9pm
Cherryfield 8:40pm
Jonesboro 8:15pm
Wesley  8:40pm
East Machias/Whiting 8pm

Any questions please call Seanna Annis  1-800-897-0757 (Maine only), or email at sannis@maine.edu

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