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  1. How to Distinguish Flooding Injury from Phytophthora or Pythium Root Rot in Soybeans

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/how-distinguish-flooding-injury-phytophthora-or-pythium-root-rot

    Flooding injury occurs when soils are saturated for several days and anoxia develops.  The roots ... will begin to see stem rot 5 to 10 days after the heaviest rains. On soybeans, a chocolate brown canker ...

  2. Poultry Litter Application

    https://agcrops.osu.edu/newsletter/corn-newsletter/24-2021/poultry-litter-application

    Stockpiles of poultry litter can be seen in farm fields across Ohio. While common each year in ... the poultry litter delivered to their fields are required by Ohio law to have a fertilizer license, ...

  3. Does Pipeline Installation have a Lasting Effect on Crop Yields?

    https://agcrops.osu.edu/newsletter/corn-newsletter/24-2021/does-pipeline-installation-have-lasting-effect-crop-yields

    Numerous underground oil and gas pipelines have been installed through Ohio farmland over the past ... by pipeline installation in seven counties throughout Northern Ohio (Figure 1). The Rover, Utopia, ... “before-and-after" viewpoint of the field In preliminary findings, Ohio crop yields follow similar patterns to ...

  4. Soybean Defoliation: It Takes a lot to Really Matter!

    https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/soybean-defoliation-it-takes-lot-really-matter

    The mid-season defoliators are beginning to show up in soybean fields across Ohio. These ... defoliation here in Ohio. A rescue treatment is advised when defoliation levels reach 40% in pre-bloom stages, ... factsheet at:   https://aginsects.osu.edu/sites/aginsects/files/imce/ENT_39_14.pdf To help train yourself ...

  5. Corn Rootworms and Fireflies

    https://agcrops.osu.edu/newsletter/corn-newsletter/19-2021/corn-rootworms-and-fireflies

    the past. We also know a lot more about corn rootworm biology.  In Ohio, western corn rootworms are by ... (i.e., 50% of the total hatch) occurs between 684 to 767 accumulated growing degree days (base 52 o F).  ... Our map below shows that much of Ohio has reached or exceed these GDD. If rootworms are in your field, ...

  6. Western Bean Cutworm Numbers Begin to Increase Across Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/western-bean-cutworm-numbers-begin-increase-across-ohio

    the counties noted; Figure 1). We used growing degree day calculations to predict approximate ... NW Ohio are seeing approximately 25% adult flight, whereas counties in central and NE Ohio remain at ... https://cropwatch.unl.edu/2021/degree-days-prediction-western-bean-cutworm-flight Scouting guidelines Counties with adult WBC trap counts averaging 7 or more moths per week should ...

  7. Early vegetative lodging and defoliation in field crops

    https://agcrops.osu.edu/newsletter/corn-newsletter/20-2021/early-vegetative-lodging-and-defoliation-field-crops

    non-defoliated control ranged from 2-14% (7% average) in recent work. In general, these values match the data ... growth stage reduced yield compared to non-lodged controls by 5% in recent work from Ohio but increased ... to 22% when lodged at the V14 growth stage. The yield reductions in our work come in part from severe ...

  8. To Spray or Not to Spray…Foliar Products at R3

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/spray-or-not-spray%E2%80%A6foliar-products-r3

    southern Ohio, there was foliar disease present (brown spot and frogeye leaf spot). Additionally, these ... economic levels of defoliation here in Ohio.” (Click here to read the entire article: https ... foliar insecticide in 28 Ohio environments. Out of those 28 environments, we’ve only measured a yield ...

  9. Foliar Diseases and Fungicide Decisions in Corn

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/foliar-diseases-and-fungicide-decisions-corn

    80 F) conditions, than GLS. Over the last several days, we have had temperatures within the favorable ... are the most effective in terms of foliar disease control and yield response in Ohio. But the yield ...

  10. July 22, 29, and August 5th Webinars Focus on Cover Crops

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/july-22-29-and-august-5th-webinars-focus-cover-crops

    Purdue University August 5: Cover Crop Roundtable: Panel discussion with Ohio farmers Each session is ...

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