CORN Newsletter – April 21

 

April 21 – April 27, 2020

 

Editor: Amanda Bennett

 

How cold is too cold (for winter wheat)?

Authors: Laura Lindsey, Alexander Lindsey, Aaron Wilson

Overnight temperatures on April 15 and April 16, 2020 dropped into the low to mid 20s across a large portion of Ohio (Figure 1), and unofficial reports show a few locations briefly dropped into the upper teens! These temperatures were generally 12-20°F below average (1981-2010).

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Freeze Potential in Ohio

Authors: Aaron Wilson, James Jasinski

Note: This article has been modified from an article originally published in VegNet Newsletter (https://u.osu.edu/vegnetnews/) on April 6, 2020.

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Alfalfa Weevil Update

Authors: Kelley Tilmon, Aaron Wilson, Mark Sulc, Rory Lewandowski, CCA, Andy Michel

Last week we reported that peak alfalfa weevil feeding damage occurs between 325 and 575 heat units (based on accumulation of heat units from January 1 with a base of 48°F).  The cool temperatures over the past seven days have slowed the accumulation of heat units and thus weevil development, tho

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Slight Frost Injury on Forages

Author: Mark Sulc

I have observed and received reports of only very slight frost burn on the tips of leaves of alfalfa and winter annual forage crops after the two cold nights last week in Ohio.

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Worried about Fallow Syndrome? Assess the Risk with On-Farm Research

Authors: Stephanie Karhoff, Steve Culman, Elizabeth Hawkins

Wet weather conditions last spring prevented Ohio farmers from planting over 1.5 million acres.

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Cool weather to hang on for the rest of April

Author: Jim Noel

 

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Time to stock up on nozzles is now! But, do you know which ones to buy?

Author: Erdal Ozkan

This is the time of the year you must complete shopping for nozzles because the spraying season is just around the corner. Although nozzles are some of the least expensive components of a sprayer, they hold a high value in their ability to influence sprayer performance.

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Managing stored grain into summer

Authors: Jason Hartschuh, CCA, Elizabeth Hawkins

If you are storing more grain on farm this spring than usual, you are not alone. Over the last few weeks, we have heard from more producers who are considering holding grain longer into summer months than they normal would.

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About C.O.R.N. Newsletter

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.

 

Contributors:

 

Glen Arnold, CCA
Field Specialist, Manure Nutrient Management

 

Mark Badertscher
Hardin County

 

Jordan Beck
Extension Associate

 

Lee Beers, CCA
Trumbull County

 

Ben Brown
Farm Management Program Mgr, Program Manager

 

Ann Chanon
Lorain County

 

Rachel Cochran
Extension Associate

 

Trevor Corboy
Greene County

 

Steve Culman
State Specialist, Soil Fertility

 

Sam Custer
Darke County

 

Wayne Dellinger
Union County

 

Anne Dorrance
State Specialist, Soybean Diseases

 

Amanda Douridas
Champaign County

 

Mike Estadt
Pickaway County

 

Boden Fisher
Extension Associate

 

Ken Ford
Fayette County

 

Allen Gahler
Sandusky County

 

Mike Gastier, CCA
Huron County

 

Mary Griffith
Madison County

 

Will Hamman
Pike County

 

Jason Hartschuh, CCA
Crawford County

 

Elizabeth Hawkins
Field Specialist, Agronomic Systems

 

Andrew Holden
Ashtabula County

 

Dean Kreager
Licking County

 

Greg LaBarge, CPAg/CCA
Field Specialist, Agronomic Systems

 

Alan Leininger
Program Assistant

 

Ed Lentz, CCA
Hancock County

 

Rory Lewandowski, CCA
Wayne County

 

Mark Loux
State Specialist, Weed Science

 

David Marrison

 

Clifton Martin, CCA
Muskingum County

 

Andy Michel
State Specialist, Entomology

 

Brigitte Moneymaker
Extension Associate

 

James Morris
Brown County

 

Gigi Neal
Clermont County

 

Jim Noel
National Weather Service

 

Sarah Noggle
Paulding County

 

Tony Nye
Clinton County

 

Les Ober, CCA
Geauga County

 

Erdal Ozkan
State Specialist, Sprayer Technology

 

Eric Richer, CCA
Fulton County

 

Dennis Riethman
Mercer County

 

Matthew Romanko
Extension Associate

 

Garth Ruff
Henry County

 

Beth Scheckelhoff
Putnam County

 

Matt Schmerge
Shelby County

 

Clint Schroeder
Allen County

 

Jeff Stachler
Auglaize County

 

Mark Sulc
State Specialist, Forage Production

 

Barry Ward
Program Leader

 

Harold Watters, CPAg/CCA
Field Specialist, Agronomic Systems

 

Aaron Wilson
Byrd Polar & Climate Research Center

 

Curtis Young, CCA
Van Wert County

 

Chris Zoller
Tuscarawas County

 

The information presented here, along with any trade names used, is supplied with the understanding that no discrimination is intended and no endorsement is made by Ohio State University Extension is implied. Although every attempt is made to produce information that is complete, timely, and accurate, the pesticide user bears responsibility of consulting the pesticide label and adhering to those directions.

CFAES provides research and related educational programs to clientele on a nondiscriminatory basis. For more information, visit cfaesdiversity.osu.edu. For an accessible format of this publication, visit cfaes.osu.edu/accessibility.

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