C.O.R.N. Newsletter: 2022-27

Crop Observation and Recommendation Network

C.O.R.N. Newsletter is a summary of crop observations, related information, and appropriate recommendations for Ohio crop producers and industry. C.O.R.N. Newsletter is produced by the Ohio State University Extension Agronomy Team, state specialists at The Ohio State University and the Ohio Agricultural Research and Development Center (OARDC). C.O.R.N. Newsletter questions are directed to Extension and OARDC state specialists and associates at Ohio State.

  1. Weather Update: Mild Conditions for August Continue

    Author(s): Aaron Wilson

    Summary:  Precipitation across Ohio to start August has varied widely across the state (Figure 1). Wet conditions have prevailed across much of northwest and southeast Ohio (blue and purple shading), while dryness remains across portions of northeast and southwest Ohio (yellow and orange shading). After above average warmth for July, especially with overnight lows, a cooler pattern settled in across the state over the weekend. Low temperatures fell into the upper 40s to low 50s across much of Ohio on Saturday morning.

  2. More on Tar Spot: Mid to Late R-Stage Fungicide Application

    Author(s): Pierce Paul

    Most of the corn across the state of Ohio is now between the late-R1 (silking) and late-R3 (milk) growth stages, with a few late-planted fields at late vegetative stages. Concerns about tar spot, but more likely, a sense of security provided by relatively high grain prices have led to several fields being sprayed with a fungicide at or shortly after R1 and questions being asked about spraying additional fields that are now at mid reproductive stages (between late-R2 [kernel blister] and R3 [milk]) of development.

  3. Crops & Conservation Field Day

    Author(s): Bruce Clevenger, CCA

    The new ACRE (Ag Conservation, Research and Education) Farm started in 2022.  Research plots were established that include: soybean planting date, soybean relative maturity, and soybean fungicide-insecticide-wheel traffic.

  4. Lep Monitoring Update: FAW Trapping Continues to Increase

    Author(s): Jessi Raubenolt, Amy Raudenbush, Suranga Basnagala , Kyle Akred, Angela Arnold, Mark Badertscher, Frank Becker, Bruce Clevenger, CCA, Thomas deHaas, Taylor Dill, Nick Eckel, Kasey Goodchild, Don Hammersmith, Jamie Hampton, Jason Hartschuh, CCA, Stephanie Karhoff, Ed Lentz, CCA, Maggie Lewis, David Marrison, James Morris, Clifton Martin, CCA, Jess McWatters, Sarah Noggle, Les Ober, CCA, Richard Purdin, Eric Richer, CCA, Beth Scheckelhoff, Clint Schroeder, Mike Sunderman, Frank Thayer, Cindy Wallace, Curtis Young, CCA, Chris Zoller, Andy Michel, Kelley Tilmon

    Fall Armyworm:  Fall armyworm (FAW) trapping expands with 5 more counties setting traps and more expected as Western Bean Cutworm (WBC) traps are taken down. The number of FAW captures has increased over the past week with a statewide average of 4.6. All current reporting counties captured moths besides Madison County (Figure 1).

  5. Ohio No-till Upcoming Events

    Author(s): Randall Reeder

    Ohio No-till Events on August 18, 20 and 23

    The Ohio No-till Council is providing three opportunities to learn the latest information about soil health, cover crops, and a whole lot more.

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