Mummy berries are still producing cups through out blueberry growing areas in Maine and the plants are still susceptible. The plants are susceptible through their entire leaf and flower bud development. The end of infections by the mummy berry fungus does not occur until the fungus stops producing spores.
There is chance of a infection period through out the state with the rain forecast for the night of Wednesday April 21st through Friday April 23rd with more rain forecast for Sunday.
Please refer to Bulletin 217 "A Method to Control Monilinia Blight" for information on how long continuous rain or fog needs to occur for an infection period to occur in your field.
If you have leaf wetness data or are watching a mummy berry patch and wish to share this information to improve the forecast, please contact Seanna Annis on the Blueberry Hotline or via email.
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