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  1. Corn Leaf Aphid: You Can Probably Leaf Them Alone

    https://agcrops.osu.edu/newsletter/corn-newsletter/2026-24/corn-leaf-aphid-you-can-probably-leaf-them-alone

    received rain lately.  High-humidity conditions encourage the activity of insect-killing (entomopathogenic) ... [as opposed to, for example, sweet corn], and there is a relatively minor impact from any but the most ... assess the condition of the field as a whole and look for the beneficial insects and for fuzzy-looking ...

  2. Ohio Soybean Growers: Scout for Red Crown Rot and Submit Samples for Diagnosis

    https://agcrops.osu.edu/newsletter/corn-newsletter/2026-26/ohio-soybean-growers-scout-red-crown-rot-and-submit-samples

    Submit a Sample Please submit the  entire soybean plant, including the roots. RCR and SDS are soilborne ...

  3. This Month in History: Western Bean Cutworm

    https://agcrops.osu.edu/newsletter/corn-newsletter/2026-23/month-history-western-bean-cutworm

    example of the practical value of institutional insect collections, as a scientific record that can help ... are posted weekly in this C.O.R.N. newsletter. For (nearly) all of your field crop insect pest ... Field Crop Insect Pest Management Guide: ...

  4. Summer Plantings for Alfalfa

    https://agcrops.osu.edu/newsletter/corn-newsletter/2026-25/summer-plantings-alfalfa

    are listed in the further reading section, below). Consider a no-till seeding to help conserve soil ... root-feeding insects can become a problem when alfalfa seedlings emerge in a field that has pre-existing living ...

  5. Vomitoxin management and corn fungicide decisions during pollination

    https://agcrops.osu.edu/newsletter/corn-newsletter/2026-23/vomitoxin-management-and-corn-fungicide-decisions-during

    corn growers. What was once considered an every-ten-year problem has now become a yearly challenge in ... at harvest may be warranted if a susceptible hybrid is planted. Figures 1-3 show examples of the risk ... during pollination, when the silks are wet (R1 growth stage). While insect feeding later in the growing ...

  6. Summit County Master Gardener Basic Training Notes

    https://summit.osu.edu/program-areas/agriculture-and-natural-resources/summit-county-master-gardener-basic-training

    before class. You will occasionally be given an example resident question to answer as homework- we will ... Weed Collection, Disease Collection, Insect Collection CLASS 2- SOILS & COMPOST Soil Science ... Insects in Home Fruit Plantings Adams County Nursery Pollination Chart Growing Applies in the Home Orchard ...

  7. Master Gardener Volunteer Program to Host August 18 Workshop

    https://hardin.osu.edu/news/master-gardener-volunteer-program-host-august-18-workshop

    protect your most prized plants from insects." (University of Minnesota Extenstion) The summer ...

  8. Gulf Coast Tick (Amblyomma maculatum)

    https://ohioline.osu.edu/factsheet/ent-0105

    medical attention. Consider submitting your tick for identification to your local health department or ... sending a photo to TickSpotters (web.uri.edu/tickencounter/tickspotters/submit). Note 1: Tick Bite ... (npic.orst.edu/factsheets/PermGen.html).* - Apply repellent to skin and/or clothing (epa.gov/insect-repellents/find-repellent-right-you).*- Do ...

  9. Tar Spot Detected in Ohio for 2026, Now What?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2026-21/tar-spot-detected-ohio-2026-now-what

    with insect frass at this point in the growing season. The easiest way to distinguish tar spot stromata ... (small, raised black bumps) from insect frass, is to wet your thumb and rub the leaf. Insect frass will ... detect tar spot, please share your observations by submitting reports to either  ...

  10. New Applicator Training- Online Webinar- October 7, 2026

    https://pested.osu.edu/events/new-applicator-training-online-webinar-october-7-2026

    Auditorium Industrial Vegetation (5) Seminar Room A Turf Insects Applications and Calculations Turf Disease ...

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