I have reports of Monilinia cups and pinheads in Midcoast, Hancock and Washington county fields. The reports are the plants in these areas are at F2 or beyond. I think Monilinia cups are present and plants are susceptible in most blueberry fields except the latest developing fields. There were conditions for Monilinia infection in fields […]
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Most blueberry fields with weather stations had conditions for a Monilinia infection period from the afternoon of Sunday April 25th to the morning of April 26th. If you had an infection period in your field depends upon whether the plants were at 30 to 40% crown stage and if there were mummy berry cups present. […]
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Midcoast and Hancock There was a possible Monilinia infection period from the evening of Tuesday April 20th or 21st through to the morning of April 22nd. This would only occur in earlier fields where the plants were at 30 to 40% F2 or farther along and also had mummy berry cups present. Most reports from […]
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Mummy berry season is getting very close in many fields. Fields in Ellsworth, Eastbrook and the barrens and Blueberry hill farm have pin heads. I expect with the wetness we got on this past weekend and the warmer weather today and Tuesday in many areas that there will be cups soon in many fields. I […]
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We have seen swelling of buds on Friday from Waldo, Knox, Lincoln and Hancock county. The warm weather this weekend would have moved the plants along even farther. We did not see any pinheads or cups last Thursday and Friday in the above locations. On Monday, we did see pinheads in our Orono plots which […]
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The last two weeks have brought excellent weather conditions for growth of spotted wing Drosophila populations here in Maine. The increase in rainfall and humidity will likely lead to earlier captures of SWD compared with previous seasons. So far, traps at some mid-coast wild blueberry sites have already trapped SWD males and females. These sites […]
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Possible Frost There were possible frost conditions in some locations overnight from Monday June 1st to Tuesday June 2nd. The table below shows temperatures recorded at the weather stations. There will be a range of temperatures in any field. Temperatures below 30F can cause some damage but temperatures below 28F are associated with yield loss. […]
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Possible Frost There were possible frost conditions in most fields from Saturday May 23rd to 24th and Sunday May 31st to June 1st. Some fields also had frost conditions Sunday May 24th to Monday May 25th. Temperatures below 30F can cause some damage but temperatures below 28F are associated with yield loss. The table below […]
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This dry, warm weather will have finished off Monilinia cups for this year in most blueberry growing areas. If you do still see cups in your area, please let me know! You may have seen mummy berry symptoms of dead leaves and flowers with the base of the tissue having a grey powdery spore production […]
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There were conditions for Monilinia infection overnight from Friday May 15th to Saturday May 16th. There were still active cups in fields reported from Midcoast and Downeast areas. I suspect all weather station locations may have had a Monilinia infection. Please keep an eye on your mummy berry plots and let me know what they […]
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