Diseases

Ewing Demonstration Center Celebrates 50 years of Continuous No-till Research at Agronomy Field Day on July 26

  • July 12, 2018

The University of Illinois Extension will host the Ewing Demonstration Center Agronomy Field Day on Thursday, July 26, 2018 at 9 a.m.  Every growing season presents challenges to production, and this year is no exception!  We are happy to host this summer field day to share with local growers current, ongoing agronomy research in southern Illinois, including cover crop trials on corn and soybeans, nitrogen management in corn, weed management in soybean, and our continuous no-till field,…

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Keep an eye out for Tar Spot on Corn

  • July 5, 2018

Today we received reports of Tar spot appearing in corn grown in Illinois.  We are currently studying tar spot of corn in the United States, and are requesting that any CCA, producer, or ag professional that encounters this disease, even if outside of Illinois, please send samples to Diane Plewa at the University of Illinois Plant Diagnostic Clinic.
S-417 Turner Hall, 1102 S.Goodwin Ave.
Urbana, IL 61801
Phone: 217-333-0519
Email: plantclinic@illinois.edu
Please note  “Tar spot study”…

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Tips to help you make fungicide decisions

  • June 22, 2018

The following is posted on behalf of Dr. Nathan Kleczewski, Field Crops Pathologist for Growmark. This content is from the Field Crop Disease Hub webpage Dr. Kleczewski curated. 
Every year we hear about fungicides, and their utility in agronomic production systems.  Indeed, these products can be an extremely useful tool to prevent yield-related losses resulting from fungal diseases.  However, reduced commodity prices are making it crucial for producers to minimize inputs in order to maximize profits. …

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Seedling diseases in soybean more evident throughout the state

  • June 15, 2018

With the storm that moved through the state the past week, it is not surprising that we are seeing more seedling diseases in soybeans.  In many cases Rhizoctonia has been identified as the causative organism, alone or in combination with other soil issues such as compaction.  Rhizoctonia is one of the most common and problematic seedling issues for soybean producers in Illinois, and can cause significant yield losses due to stand reduction and reduced plant growth. …

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Seedling Diseases in Soybeans – Time to Scout!

  • June 1, 2018

Now is the time that seedling diseases of soybeans will start to be apparent.  Indeed, we have started to see more images of soybeans that may have symptoms of seedling disease.  However, it is important to understand that seedling diseases are complex, and a simple picture often is not sufficient to adequately diagnose the issue.  I wrote a more extensive of seedling diseases of soybean on the Illinois Field Crop Disease Blog, which can be accessed here…

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New Crop Protection Network Publication on Proper Fungicide Use for Fusarium Head Blight Now Available

  • May 23, 2018

The Crop Protection Network is a free, online resource for producers and those in the agronomic community interested in diseases of field crops and their management.  Recently, CPN started adding resources to the site to include diseases of small grains such as wheat.  As part of this effort, we published a publication on how to optimize fungicide applications for Fusarium Head Blight management.  The publication can be accessed for free at the CPN library …

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