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  1. 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

    county. Figure 2. Common chickweed. Photo credit: Curtis Young. Figure 3. Purple dead nettle. Photo ... numbers of black cutworm (BCW) and true armyworm (AMW) moths.  Read below for more information. Black ... reporting moths in their traps. Overall, we monitored a total of 49 traps in 17 counties. Our statewide ...

  2. 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

    The web tool calculates the incremental corn yield increase for each unit of N added and then ... was added in April 2025. The database reflects corn N response trials through 2024. The only input ... followed by corn. The database contains trials from a range of growing environments, representing 273 trial ...

  3. 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

    Ohio. Similar to last year, we will be monitoring black cutworm (BCW), true armyworm (AMW), corn earworm ... a total of 43 traps in 15 counties. Our statewide average was 20.1 moths. We recommend keeping a close eye ... on fields in counties with averages of 7 moths or more, which included Auglaize, Defiance, Henry, ...

  4. Lep Monitoring Network Update #7 – Trap Counts for CEW and ECB (IA & NY)

    https://agcrops.osu.edu/newsletter/corn-newsletter/2023-19/lep-monitoring-network-update-7-%E2%80%93-trap-counts-cew-and-ecb-ia-ny

    Corn earworm moth coloration. Photo Credit: Mark Dreiling, Bugwood.org Figure 3. Corn earworm feeding ... on ear of corn. Photo Credit: Robert J. Bauernfeind, Kansas State University, Bugwood.org Exploring ... : https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/corn-earworm-field-corn-watch-molds Corn Earworm Moth Map June 12 – June 18, 2023 Figure 1. Average corn earworm moths (CEW) captured ...

  5. Battle for the Belt: Season 3, Episode 7: Soybean Seedling Disease

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-13/battle-belt-season-3-episode-7-soybean-seedling-disease

    discusses soybean seedling diseases. Figure 1. Disease triangle. Roth et al. 2020. Journal of Integrated ... a susceptible host, the presence of a pathogen, and favorable environmental conditions (Figure 1). If these ... solani, the causal agent of Rhizoctonia Seedling Blight (Figure 3). Early-season symptoms of water mold ...

  6. Lep Monitoring Network – News on Fall Armyworm (FAW), WBC and CEW, Update # 17

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-27/lep-monitoring-network-%E2%80%93-news-fall-armyworm-faw-wbc-and-cew

    moth. Photo Credit: Lyle Buss, University of Florida, Bugwood.org Fall armyworm moth map Week 1 August ... : https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/corn-earworm-field-corn-watch-molds Corn earworm moth map Week 10 August 5 th to August 11 th, 2024 Figure 4. Average corn earworm ... learn more about the corn earworm, check out one of our previous newsletters ...

  7. Battle for the Belt: Season 3, Episode 6: What is Battle for the Belt 2.0?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2025-12/battle-belt-season-3-episode-6-what-battle-belt-20

    factors can influence the effect of planting date (Figure 2). Weather stress, pests, and disease can ... plantings (Midwestern Regional Climate Center, 2023) Figure 2. Corn and soybean plant population density can ... Northeast Ohio (Wooster Campus, Wayne County) (Figure 3). The objectives of this project are: Identify ...

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

    https://agcrops.osu.edu/newsletter/corn-newsletter/2024-16/lep-monitoring-network-%E2%80%93-black-cutworm-and-true-armyworm-update-6

    : https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/corn-earworm-field-corn-watch-molds Figure 4. Corn earworm feeding on an ear of corn. Photo Credit: Robert J. Bauernfeind, Kansas ... https://aginsects.osu.edu/sites/aginsects/files/imce/ENT_35_14 BCW.pdf Figure 1. Black cutworm on hand. Photo Credit: Amy Raudenbush, The Ohio State University ... CFAES Black cutworm moth map Week 6:  May 20 th to May 26 th, 2024 Figure 2. Average black cutworm (BCW) ...

  9. 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

    (Figure 2). Our overall statewide average from last week continued on the downward trend of only 3.2 moth ... in counties with averages of 7 moths or more per week. This week those counties include Allen, ... cutworm moth map Week 3:  May 5 th to May 11 th, 2025 Figure 1. Average black cutworm (BCW) moths captured ...

  10. On-Farm Research: LEP Monitoring

    https://pike.osu.edu/program-areas/agriculture-and-natural-resources/farm-research-lep-monitoring

    to increase. Adult moths are particularly attracted to fields with broadleaf weeds, such as chickweed ... (figure 1) and purple dead nettle (figure 2), to lay their eggs on before planting. Once the eggs hatch, ... the caterpillars feed on the corn seedlings or growing corn plants, and potentially cutting the plant ...

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