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Understanding Tar spot forecasts

  • June 24, 2019
  • Nathan Kleczewski

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 here

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Tar spot risk in Illinois 6/21/19

  • June 21, 2019
  • Nathan Kleczewski

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.  For more information on the model and fungicide applications click here
Much of the corn in Illinois is just emerging, but some is past the V6-V8 stage. …

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New mapping system to monitor corn rusts

  • June 19, 2019
  • Nathan Kleczewski

This season we will be using a new system to monitor and  track southern rust in Illinois #corn.  We will be operating and managing a site that clientele can access and view in real time.  I will provide information pertaining to the site once it is operational in a few days.
Why do we need to monitor rusts?  Because rusts are obligate fungal pathogens.  This means they need a living, green host to grow and reproduce. …

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Fungicide efficacy for foliar corn and soybean diseases

  • June 14, 2019
  • Nathan Kleczewski

Each year our team of plant pathologists collaborate to develop efficacy tables for fungicides that can be used to help manage fungal diseases in field crops.   Our most recent sheets can be found by clicking the following links:
CDWG Fungicide efficacy table_2019_final
Soybean Fungicide efficacy table_2019_final
These sheets will eventually be housed for download on the Illinois field Crop Disease Page along with factsheets, applied research data and guides,  scouting videos,…

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Fusarium head blight-assessing FHB in your field and late season considerations

  • May 29, 2019
  • Nathan Kleczewski

A few weeks ago we wrote an article on how to assess severity of Fusarium head blight (FHB) in small grains as well as some practices to consider that can help improve potential profitability in cases where outbreaks are severe.  Now that symptoms of FHB are starting to develop in the earliest flowering wheat, it is a great time to assess your fields and determine if any considerations for harvest need to be made.  To access the article click here.…

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