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  1. Alfalfa Weevil Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-14/alfalfa-weevil-update

    Alfalfa weevils are currently mainly in their larger larval stages or beginning the process of pupation, transitioning to their adult forms. The growing degree days (GDD) took a leap from last week, putting much of the state above the window for peak dama ...

  2. Lep Monitoring Network – Black Cutworm and True Armyworm Update # 1

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-11/lep-monitoring-network-%E2%80%93-black-cutworm-and-true-armyworm-update-1

    Huron, Lorain, Van Wert and Wood (Figure 1). Some information on BCW: The moths are dark brown to black ... Henry, Lucas, Putnam, and Van Wert. Adult AMW are tan to reddish brown and have a single white mark in ...

  3. Corn N Recommendations: Maximum Return to N Calculator Updated

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-13/corn-n-recommendations-maximum-return-n-calculator-updated

    Corn nitrogen recommendations in Ohio are generated from an online tool: Maximum Return to N (MRTN). It uses corn yield response to nitrogen along with a farm’s nitrogen cost and corn market price. The web tool calculates the incremental corn yield increa ...

  4. Lep Monitoring Network – Black Cutworm and True Armyworm Update # 3

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-13/lep-monitoring-network-%E2%80%93-black-cutworm-and-true-armyworm-update-3

    We just finished monitoring week 3 of black cutworm (BCW) and true armyworm (AMW) across Ohio. This past week was rainy, but temperatures were warm which resulted in an increased BCW average but a decrease in our average AMW counts. Read below for more sp ...

  5. Brown Ring Patch/Waitea Patch

    https://turfdisease.osu.edu/news/brown-ring-patchwaitea-patch-1

    http://www.turfpathology.ucr.edu/Downloads/Management_BRP.pdf   Brown Ring Patch/Waitea Patch in a Poa annua and creeping bentgrass green. Brown Ring ... Patch/Waitea Patch in a green, spring 2011. Overall symptoms of Brown Ring Patch/Waitea patch in Poa annua and ... It appears that there is now a second occurrence of Brown Ring Patch / Waitea Patch (Waitea ...

  6. Lep Monitoring Network – Black Cutworm and True Armyworm Update # 2

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-12/lep-monitoring-network-%E2%80%93-black-cutworm-and-true-armyworm-update-2

    that county. Lastly, an update from Curtis Young (Van Wert County) who has been monitoring variegated ...

  7. Brown Ring Patch/Waitea Patch

    https://turfdisease.osu.edu/news/brown-ring-patchwaitea-patch-0

    http://www.turfpathology.ucr.edu/Downloads/Management_BRP.pdf Brown Ring Patch/Waitea Patch in a Poa annua and creeping bentgrass green. Brown Ring Patch/Waitea ... Patch in a green, spring 2011. Overall symptoms of Brown Ring Patch/Waitea patch in Poa annua and ... It appears that there is now a second occurrence of Brown Ring Patch / Waitea Patch (Waitea ...

  8. Battle for the Belt: Season 3, Episode 5: Weather and Planting Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-11/battle-belt-season-3-episode-5-weather-and-planting-update

    April and early May. In Episode 5 of Battle for the Belt, we get an update on weather conditions from ... growing season to learn more and get further updates! You can find the full video playlist of Battle for ...

  9. Graduate Faculty Accepting New Students

    https://entomology.osu.edu/graduate/graduate-faculty-accepting-new-students

    commercial turf (such as golf courses). Research options may include integrated pest/disease management, ... diseases, which are often controlled through the use of pesticides.  However, pesticides may be toxic to ... disease control. In our lab we are seeking to understand how to protect pollinators from the pesticides ...

  10. Wheat Management for Spring 2025

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-10/wheat-management-spring-2025

    other labeled herbicides. This is also a good stage to begin scouting for foliar diseases. Feekes ... leaf healthy (free of disease and insect damage) before and during grain development. To confirm that ... decide whether or not to use foliar fungicides to management early-season foliar fungal diseases ...

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