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Tar spot map July 10, 2025.
It is important to continue to scout for diseases in both corn and soybeans to make informed management decisions.
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 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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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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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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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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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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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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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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