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N Rate Calculator Updated

Last month (March 2018) we used data from 2017 N rate response trials to update the N rate calculator that provides best-estimate N rate guidelines for different regions and previous crops (corn or soybean) in Illinois.… Read more

Stripe Rust in S. Illinois

I received notice of stripe rust in S. Illinois today.  Stripe rust is an important disease affecting wheat.  Please find an article on this disease and management by clicking here.  

If you locate stripe rust in your field please tweet a picture to me (@ILplantdoc) or email (nathank@illinois.edu) with the wheat variety, growth stage, and approximate percent of field infected. … Read more

Early-Season Management of Soybean

If the old saying that rain on Easter means that it will rain on the next seven Sundays applies to snow, we’re in trouble – it snowed across a wide swath of Illinois on Easter Sunday (April 1) and also on April 8.… Read more

The Illinois “Spray School”

Beginning in 1949, a conference was organized by faculty and staff from several departments at the University of Illinois to provide clientele and stakeholders with the latest pest management research and recommendations.  The conference was brought into existence by Dr.… Read more

Dicamba: What is Success or Failure in 2018?

It’s difficult to recall the debut of a weed management technology that generated more divisiveness than the 2017 introduction of dicamba-resistant soybean varieties and the accompanying use of dicamba.  Damage to off-target vegetation from myriad sources of exposure resulted in not only monetary losses, but also untold costs to professional and personal relationships. … Read more

Last call for soybean information

I wrote a short article here about a month ago asking for everyone’s cooperation on a project in which we (Corn Belt states) are gathering field-level information on soybean fields to feed into a study, funded (with soybean checkoff dollars) by the North Central Soybean Research Program, looking at weather, soil, and management effects soybean yield over the Corn Belt.… Read more

Managing Corn Rootworm Populations in Illinois: Considerations for 2018

 

Authors: Nick Seiter, Joe Spencer, and Kelly Estes

Rootworm management is a yearly consideration for most corn producers in central and northern Illinois. Western corn rootworm (Fig. 1) is the primary pest species throughout most of the state, but areas in northern IL can experience pest pressure from the northern corn rootworm (Fig.… Read more

Adjacent and Neighboring: How Far is That?

An article posted to the Bulletin last November outlined several changes made by the United States Environmental Protection Agency to the labels of XtendiMax, Engenia, and FeXapan.  The intent of these label amendments is to reduce sensitive plant species exposure to dicamba primarily through physical movement (i.e., drift during the application or particle movement during temperature inversions) and via dicamba residues dislodged from application equipment. … Read more

Test Your Integrated Weed Management Knowledge!

Test your knowledge of integrated weed management (IWM) with this short quiz (https://www.surveymonkey.com/r/SD9RT6R). The quiz is anonymous, and the answers will be revealed at the end.

Effective long-term weed management requires integrating multiple effective techniques, as opposed to relying solely on one or two tactics.… Read more

EPA Public Comment Period Open on Neonicotinoid Insecticide Ecological Risk Assessments, Closes February 20

The EPA recently opened a public comment period on ecological risk assessments of four neonicotinoid insecticides as part of the ongoing registration review for these materials. The purpose of this comment period is to allow stakeholders and the general public to provide input on the risks and benefits of these materials related to their use in agricultural production.… Read more