Corn Newsletter : 2016-10

  1. Armyworm in Corn Whorl
    Author(s): Kelley Tilmon, Andy Michel

    True armyworm (Pseudaletia unipuncta) overwinters in the southern U.S. and adult moths migrate northward in April and May.  Females lay eggs in grassy fields including rye cover crops, and the young caterpillars feed there, typically attacking corn from early may through June.  Corn planted into rye cover is at greater risk for early season armyworm feeding because the caterpillars may

  2. Author(s): Mark Loux

    This is a revision of an article we seem to publish in C.O.R.N. about every three years, when wet weather prevents early planting and in some cases also prevents early burndown applications.  There have been opportunities to apply burndown herbicides in much of the state over the past several weeks, and some areas have made considerable progress on planting.  Other areas have made little progress.  We are probably not in a true “late planting situation” yet, but some of the state

  3. Author(s): Pierce Paul, Jorge David Salgado

    Septoria tritici blotch: This is usually one of the various diseases to show up during the wheat seasons. It develops best under cool, wet conditions, with symptoms commonly detected on lower leaves. Initial lesions appear as yellowish or chlorotic flecks that later enlarge into irregular, brown-to-reddish brown lesions. As the lesions age, the centers become

  4. Author(s): John Fulton, Kaylee Port

    Choice as it relates to the discussion of data services and tools is critically important to growers today.  As a grower, you should have a choice on who to share your data with and the selection of service(s) to utilize with Agriculture Technology Providers (ATPs). According to the Privacy and Security Principles for Farm Data published by the American Farm Bureau directly

  5. Author(s): Jim Noel After a wet week last week with anywhere from 0.50 to 2.00 inches in most places there weather will relax some this week. However with cooler temperatures evaporation will be down so even light rains will keep things on the damp side this week.
      April ended with temperatures ranging from 1-2F below normal in northern Ohio and 0-1F above normal in southern Ohio or near normal for the state average. This followed a very warm March with temperatures 5-10F above normal.
  6. Author(s): Laura Lindsey, Mike Estadt

    On June 1, we will be having an on-farm wheat field day in Pickaway County near Circleville at the site of our Ohio Wheat Performance Test and other agronomic wheat trials. Click here for more information.

    Registration is free, but we are requesting registration by Friday, May 20

About the C.O.R.N. Newsletter

C.O.R.N. is a summary of crop observations, related information, and appropriate recommendations for Ohio Crop Producers and Industry. C.O.R.N. is produced by the Ohio State University Extension Agronomy Team, State Specialists at The Ohio State University and Ohio Agricultural Research and Development Center. C.O.R.N. Questions are directed to State Specialists, Extension Associates, and Agents associated with Ohio State University Extension and the Ohio Agricultural Research and Development Center at The Ohio State University.