CORN Newsletter

May 15 – May 21, 2018

Corn Newsletter Online



Head Scab Update: Week of May 21

Pierce Paul

For those fields of wheat flowering and fields of barley head-out today (May 22), the risk for head scab is moderate in the northern-most counties and in the eastern portion of central Ohio (according to the scab forecasting system at? Persistent rainfall and high relative humidity over the last several days are the primary reasons for the moderate-risk prediction in these regions.


Sidedressing Manure into Newly Planted and Emerged Corn Glen Arnold, CCA Ohio State University Extension has conducted manure research on growing crops for several years in an effort to make better use of the available nutrients. Incorporating manure into growing corn can boost crop yields, reduce nutrient losses, and give livestock producers or commercial manure applicators another window of time to apply manure to farm fields.


Alfalfa Fiber Content Estimates in Ohio Rory Lewandowski, CCA, Mark Sulc, Jeff Stachler, Dennis Riethman Lead Author: Angela Arnold


The Season for Slugs

Kelley  Tilmon, Andy Michel

Late planting in many areas, the small size of both soybean and corn plants, and damp, cool conditions in some areas all lead to a greater damage potential from slugs.? Although all fields should be scouted for slugs, focus on no-till fields or those fields with cover crops, a history of slug problems, poor weed control, or?a lot of residue left on the field.? We don?t have good economic thresholds for slugs in corn or soybean, yet the following guidelines are to helpful in scouting?for their presence and intensity.? Egg and adult sampling should occur until late May/early June when newly h


Cressleaf Groundsel in Wheat and Hay

Mark Loux, Jeff Stachler

It?s definitely a big year for cressleaf groundsel (Senecio glabellus), the yellow-flowered weed that can be seen about everywhere right now.? While it is most often found in no-till corn and soybean fields that have not yet been treated with burndown herbicides, there seems to be an above-average number of wheat and hayfields and pastures with substantial populations.?


Kudzu Bug Monitoring Update

Amy Raudenbush, Chris Bruynis, David Dugan, Cindy Meyer, Andy Michel, Kelley  Tilmon Additional Authors: Ed Brown, Marcus McCartney, Kevin Fletcher


The kudzu bug is currently being monitored for in nine counties in Ohio including Adams, Athens, Butler, Clermont, Madison, Meigs, Montgomery, Ross and Washington. Traps were set in May and will be checked weekly through June. Overall, zero kudzu bugs have been found on traps in the monitoring counties.?Figure 1 illustrates the average number of kudzu bug / total number of traps located in each county participating in the kudzu bug monitoring (highlighted in red).



Wayne  Dellinger (Union County)

Dean Kreager (Licking County)

Amanda Bennett (Miami County)

Sam Custer (Darke County)

Lee Beers, CCA (Trumbull County )

Mike Gastier, CCA (Huron County)

Mark Badertscher (Hardin County)

Mike Estadt (Pickaway County)

Garth Ruff (Henry County)

Bruce Clevenger, CCA (Defiance County)

Sarah Noggle (Paulding County)

Mary Griffith (Madison County)

Alan Sundermeier, CCA (Wood County)

John Schoenhals, CCA (Williams County)

Chris Zoller (Tuscarawas County)

Clifton Martin, CCA (Muskingum County)

Amanda Douridas (Champaign County)

Harold D. Watters, CPAg/CCA (Field Specialist Agronomic Systems) Elizabeth Hawkins (Field Specialist Agronomic Systems) Greg LaBarge, CCA (Field Specialist, Agronomic Systems)

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