Category Archives: Vegetables

New swede midge fact sheet available!

Swede midge (Contarinia nasturtii) is a serious invasive pest of Brassica crops, including broccoli, cabbage and kale. It was recently found for the first time in New Hampshire, and we expect that it will continue to move throughout the region. This pest is … Continue reading

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Cucurbit downy mildew update

August 16, 2017 Update from Cheryl Smith, UNH Plant Diagnostic Lab: Cucurbit downy mildew (CDM) has been identified in NH in both Hillsborough county (on cucumber) and Cheshire county (on muskmelon). CDM symptoms begin as vein-delimited spots, but then expands … Continue reading

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Late blight nearby

by Cheryl Smith, UNH Plant Diagnostic Lab and Becky Sideman, Vegetable & Berry Specialist. As of July 31, 2017, Angie Madieras from the UMass Diagnostic Lab just diagnosed late blight on cherry tomatoes (‘5-star grape’ and ‘purple bumble bee’) in … Continue reading

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July 20, 2017 Insect Pest Update

From Alan Eaton, UNH Extension IPM Specialist July 20, 2017 Sweet corn pests – This year our sweet corn trapping network is basically in Hillsborough county, with a couple of sites in Merrimack & Cheshire counties.  We detected our first … Continue reading

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Keep an eye out for pepper maggot

by Becky Sideman, UNH Extension Vegetable & Berry Specialist Pepper maggot (Zonosemata electa) is a pest that is found throughout southern New England; but in recent years, it has been found in several locations in southern New Hampshire as well. … Continue reading

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Garlic harvest reminders

by Becky Sideman, UNH Extension Vegetable & Berry Specialist Garlic harvest time is upon us, or fast approaching! Determining time of harvest. Figuring out when to harvest can be tricky. The longer you wait, the bigger the bulbs, BUT the higher … Continue reading

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Vegetable pests: leafhoppers and caterpillars

by Becky Sideman, Vegetable & Berry Specialist We’re seeing potato leafhoppers throughout much of NH now (last week of June, 2017), and it’s time to scout your fields. Hopperburn is a problem not only on potato, but also on eggplants … Continue reading

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