Corn Newsletter : 2014-32

  1. Author(s): Normand St-Pierre, Bill Weiss, Dianne Shoemaker

    If it’s late summer it’s time to talk about pricing a corn crop standing in the field for corn silage.  This is always a challenging question as there are a number of factors that contribute to the final price agreed upon by the buyer and seller that are challenging to quantify. 

  2. Author(s): Peter Thomison, Allen Geyer, David Lohnes

    Fig. 1. Corn ears exhibiting “tip dieback”, S. Charleston, OH 2014.”


    When checking corn fields prior to and during harvest it’s not uncommon to encounter abnormal corn ears such as those shown above (Fig.1), especially when the crop has experienced stress conditions. Some

  3. Author(s): Anne Dorrance

    I often think that this is the most exciting time of year.  The leaves are falling, the fields are turning the golden brown or silvery depending on the variety and we finally learn if we saw an effect from many of our treatments.  Did our management strategy work?  How much did we push the yield needle?  So don’t forget about your own strip trials.  The key is the average not the total yield from each treatment.  To account for the natural field variation, you need the

  4. Author(s): Pierce Paul

    The 2015 OARDC agronomy in-service is scheduled for March 5 and 6, 2015 on the OARDC campus of The Ohio State University in Wooster. Mark your calendars. This in-service, which is offered every other year, is designed to give Extension Educators and Certified Crop Advisors up-to-date and hands-on training on disease, insect, fertility, and general crop management issues facing the corn, wheat, and soybean industries in the state and across the country. This two-day program will

  5. Author(s): Mark Loux

    Herbicide options for burndown of existing weeds prior to planting of no-till wheat include glyphosate, Gramoxone, Sharpen, and dicamba.  Dicamba labels have the following restriction on preplant applications – “Allow 10 days between application and planting for each 0.25 lb ai/A used”.  A rate of 0.5 lb ai/A would therefore need to be applied at least 20 days before planting.  We have as usual been receiving questions about the safety and legality of 2,4-D use prior to wheat

  6. Author(s): Peter Thomison

    With scattered frosts predicted in parts of Ohio tonight, it may be time to consider the impact of frost injury to corn that has not yet achieved kernel “black layer”. Black layer is the stage at which kernel growth ceases and maximum kernel dry weight is achieved (also referred to as “physiological maturity”). According to the USDA/NASS ( as of Sunday, Sept. 21, 27 percent of Ohio’s corn was mature

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.