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Cover crops on prevented-planting acres: an update

There have been a number of developments since my June 17 article on managing prevented-planting (PP) fields. A major change was the granting of permission to harvest cover crops planted on PP acres after September 1, instead of November 1.… Read more

Reminder – University of Illinois Weed Science Field Research Tour

The weed science program at the University of Illinois invites all weed management practitioners to our annual weed science field tour on Wednesday, July 10.  Please note the tour will begin at our off-campus field location (“The Lost Forty”) which is located on Cottonwood Road (County road 1700 east) approximately one-quarter mile north of County road 1850 North (see map).… Read more

Late-Season Herbicide Applications

Nearly all herbicide labels (soil-applied or postemergence) have rotational crop intervals that specify the amount of time that must elapse between herbicide application and planting a rotational crop.  This becomes particularly important with late-season herbicide applications. … Read more

Reminder of Omnidirectional In-Field Buffers

As a reminder, dicamba-resistant soybean fields that exist in counties that might harbor endangered terrestrial dicot plant species and that will be treated with dicamba must have an in-field, 57-foot omnidirectional buffer. The new 57-foot buffer will occur on three sides of the field and be in addition to the required 110-foot downwind buffer. … Read more

Common rust on corn- a concern?

Over the past week there has not been much activity as far as corn disease is concerned.  The only exception has been the detection of very light common rust infections on some corn in the north central and southern parts of the state. … Read more

Northwestern Illinois Agricultural Research and Demonstration Center Agronomy Day, July 17th

MONMOUTH, Ill. – The Northwestern Illinois Agricultural Research and Demonstration Center will host a Field Day on Wednesday, July 17. Join University of Illinois Department of Crop Sciences faculty, researchers, students, and Extension specialists as they address issues pertinent to the 2019 growing season.… Read more

Calculating fungicide net returns

Corn producers in parts of the state are nearing the point in time where they are thinking about fungicide applications to their fields.  In a recent post on my blog I discussed tar spot and also mentioned a recent publication that shows that a single fungicide application at the VT/R1 growth stage has the greatest chance of providing the producer with a return on their investment. … Read more

Understanding Tar spot forecasts

Recently I posted information on Twitter about tar spot forecasts that I will be making on my website throughout the season.  It is important to know how to interpret these forecasts.  For more information, see the article by clicking hereRead more

Tar spot risk in Illinois 6/21/19

As many of you are aware, our tar spot coalition is working to refine a tar spot model developed by colleagues at the University of Wisconsin Madison this season.  This model, currently named Tarspotter, uses weather data to predict risk of tar spot disease on corn. … Read more

Seed treatments for sudden death syndrome- make sure to include that base

When you are out at the club, dropping the bass is a good thing.  When you are planting soybeans and have soil pathogen issues, dropping the base can be a bad thing.  Why?  See the new article posted on the Field Crop Disease Blog found by clicking here.… Read more