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  1. Learn How to Identify Tar Spot in the Field

    https://agcrops.osu.edu/home/slides/learn-how-identify-tar-spot-field

    poop (frass). Click here to learn how to tell the difference before scouting your corn fields. https://agcrops.osu.edu/newsletter/corn-newsletter ... Tar spot in corn may be difficult for untrained eyes to tell apart from other diseases and insect ...

  2. Tar Spot Q&A

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/tar-spot-qa

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/tar ... -spot-more-widespread-cross-state-ohio-2021 https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/tar ... -spot-showing-early-year-note-diagnosis https://cropprotectionnetwork.org/resources/articles/diseases/tar-spot-of-corn https://agcrops.osu.edu/newsletter/corn-newsletter/2020-03/tar-spot-corn Corn Disease ...

  3. Crop Water Use in Corn – What Do We Know?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-23/crop-water-use-corn-%E2%80%93-what-do-we-know

    (Figure 1). On July 10, USDA reported 7% of the Ohio Corn silking. In the July 18 report, the percentage ... of silked corn fields is expected to be much higher as a lot of crop progress can occur in a week if ... which is ~2 inches per week. Table 1. Water use rates for corn at different growth and developmental ...

  4. All Puckered Up: Dicamba Drift Reminders

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-25/all-puckered-dicamba-drift-reminders

    Particle drift is not influenced by herbicide formulation. Plant injury from primary movement typically has ... movement, but have not  eliminated this. In 2021, there were 34 official reports of dicamba injury in Ohio, ... growth regulator (PGR) herbicides. Off-target movement can be classified as primary or secondary. Primary ...

  5. Scouting for Late Season Soybean Diseases

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-26/scouting-late-season-soybean-diseases

    development, but keep in mind visible symptoms will not appear until about two weeks after infection. Younger ... diseases, refer to the Corn, Soybean, Wheat, and Forages Field Guide available for purchase at either ... https://extensionpubs.osu.edu/corn-soybean-wheat-and-forages-field-guide/ or at your local county extension office.   Sudden Death Syndrome Sudden death syndrome (SDS) will ...

  6. REMINDER: Replanting Decisions in Corn and Soybeans… What to Consider

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-18/reminder-replanting-decisions-corn-and-soybeans%E2%80%A6-what-consider

    Unfavorable weather during the months of April, May, and early June has negatively affected corn ... and soybean acres establishment in the state. If considering replanting fields, a C.O.R.N. Newsletter ... article here: https://agcrops.osu.edu/newsletter/corn-newsletter/2022-14/replanting-decisions-corn ...

  7. Lep Monitoring Update WBC, CEW, FAW and ECB Updates

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-22/lep-monitoring-update-wbc-cew-faw-and-ecb-updates

    when county averages are above 7 moths per week. Western Bean Cutworm Moth Map July 4 – 10, 2022 Figure ... https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/corn-earworm-field-corn-watch-molds Figure 2. Corn earworm (CEW) adult moth. Photo by: Bridger Cline, The Ohio State University Corn ... Earworm Moth Map July 4 – 10, 2022 Figure 3. Average corn earworm (CEW) moths captured from July 4 th ...

  8. Weather Update: Ample July Precipitation for Most

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-24/weather-update-ample-july-precipitation-most

    low 80s on Wednesday and Thursday. Dry, tranquil weather will return for Friday through the weekend, ... 3 days (Figure 2). After this week’s near normal temperatures, the Climate Prediction Center’s 6–10 ... a low-temperature range of 62-66°F, and average weekly total precipitation of 0.75-0.90 inches.   Weather Conditions ...

  9. Seeding Perennial Forages in Late Summer

    https://agcrops.osu.edu/newsletter/corn-newsletter/2022-24/seeding-perennial-forages-late-summer

    than one-half inch.  Tilled seedbeds usually do not need a pre-plant herbicide.  Patching Spring ... that are less than a year old do not release enough autotoxic compounds into the surrounding soil to ... http://go.osu.edu/herbrotationintervals.  Forage grasses are not included in that table, so check the labels of any herbicides applied to ...

  10. Lep Monitoring Update CEW, WBC, FAW and ECB Updates

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/lep-monitoring-update-cew-wbc-faw-and-ecb-updates

    Corn Earworm Corn earworm (CEW) (Figure 1) numbers have decreased over the past week. Currently ... https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/corn-earworm-field-corn-watch-mold Figure 1. Corn earworm (CEW) moth with wings folded at rest. Photograph by Jessi Raubenolt. Corn ... counties in Ohio: Clark, Madison, Van Wert and Wayne. While we do not expect the majority of FAW moths to ...

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