Pest Reports 2020

Pest Report – August 14, 2020

August 14, 2020 With the hot sunny summer we’re having (please rain…), winter squash development has progressed quickly for many. Make sure that your squash is truly ready for harvest to ensure peak flavor, thanks to the research of Brent Loy, who sadly, recently passed away. One caveat that isn’t mentioned in the squash entry

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Pest Report – July 31, 2020

With the summer’s warm weather, growing degree days have accumulated more quickly then previously, and pests like european corn borer will be flying earlier than last year. I am not yet aware of powdery mildew showing up in cucurbits in Maine, but it is only a matter of time, and prevention at the first sight

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Pest Report – July 17, 2020

Basil downy mildew, discussed in the previous Pest Report, has been confirmed in Cape Cod, so be aware that it could be in Maine, or arriving with future storms. Hornworm moths have been spotted, and young larvae are not far behind, or likely already present. While we usually call them both ‘tomato hornworms’ the most

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Pest Report – July 3, 2020

We’ve finally had relief from the prolonged dry weather, though extended periods of rain bring their own potential problems as prolonged leaf wetness is often a key factor in plant diseases taking hold. I haven’t had any questions about early blight yet, but I anticipate that people will be noticing it soon, if they haven’t

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Pest Report – June 19, 2020

The dry continues, and with a lot more heat showing up. Remember that most pests will grow, develop, and reproduce more quickly in warmer conditions. Crystal Stewart from Cornell Cooperative Extension reminds us that with the continued dry weather, providing consistent water is very important for alliums to size up well. Potato leafhoppers have started

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Pest Report – June 5, 2020

Though not addressed in this edition of the Pest Report, Spinach downy mildew was spotted in Maine this week. It would be good to scout your spinach if you get a chance, as we want to make sure that this isn’t spreading to other farms. More info on spinach downy mildew here. Onion thrips have

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Pest Report – May 22, 2020

Leek Moth Spinach/Beet Leafminers Sunscald/Windwhip Garden Springtails Help Track Diseased Browntail Moth Caterpillars The previous Pest Report discussed some issues created by cool and cloudy weather. With the much welcomed change towards warmer and sunnier days, take steps to avoid sunscald and/or windwhip on tender new transplants. David Fuller of UMaine Cooperative Extension is reporting

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Pest Report – May 8, 2020

Edema Asparagus Beetle Flea Beetles Imported Cabbageworm The spring has continued to be a good one for drying out the soil, but cold temperatures are sticking around stubbornly. The national weather service has forecasted a relatively high probability of below normal temperatures for the next two weeks, at least. Cool and cloudy conditions favor occurrences

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Pest Report – April 24, 2020

Spring 2020 Strawberry Update Seedling Problems Damping-Off in the Field Seedcorn and Other Maggots Hello and welcome to the first Pest Report of 2020.   The Pest Report is a compilation of short discussions of pests, diseases and practical growing considerations relevant to the time of year. The Pest Report is not prescriptive – just

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This material is based upon work supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, through the Northeast Sustainable Agriculture Research and Education program under subaward number ONE19-334. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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