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Update on Disease Risk in Indiana Corn

June 26, 2025

Most corn fields I have been in this week are pretty clean. A few diseases that I have seen include anthracnose, tar spot, and common

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Tar spot: What to Look for in Corn and Making an Informed Decision on Fungicide Application

June 12, 2025

Tar spot confirmed in our research plots in Indiana this week. Corn growth stages are quite variable across Indiana, but a number of areas with

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Why all the fuss with the plant pathogen Fusarium graminearum?

June 5, 2025

Fusarium graminearum is a globally distributed plant pathogen capable of causing plant diseases, Fusarium head blight of wheat and small grains and Gibberella ear rot

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Some Quick Tips and Tools to Prepare for Tar Spot in Corn

June 2, 2025

I am already getting questions on tar spot management as we finish planting corn here in Indiana. Here’s the list of my 10 points after

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Scouting for Fusarium Head Blight (Scab) of Wheat and Things to Consider when Harvesting

May 30, 2025

Wheat has reached dough stage (Feekes 11.2) in our research plots in Southern Indiana. As we look to thinking about harvest it is time to

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Black Soybeans in Indiana. What is causing it and the potential for reduced soybean seed quality.

October 14, 2024

Authors: Darcy Telenko, Shaun Casteel, John Bonkowski and Tom Creswell There have been many reports of black areas in soybean fields in Indiana this season.

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Tar Spot and Southern Corn Rust Update in Indiana

August 9, 2024

Southern corn rust has now been confirmed in four counties (Knox, Dubois, Warrick, and Shelby) this week in Indiana (Figure 1). While tar spot continues

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Tar spot update in Indiana

August 3, 2023

We continue to confirm counties with active tar spot. Eighteen counties have been confirmed as of Aug 3, 2023. These counties all had a previous

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