Corn
Southern corn rust has been confirmed in two counties (Knox and Daviess) this week both at low levels in Indiana (Figure 1). While tar spot
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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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Corn Tar Spot – We continue to confirm counties with active tar spot. Twelve counties have been confirmed as of July 26, 2023. These counties
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Darcy Telenko, Extension Field Crop Pathologist It is important to continue to scout for diseases in both corn and soybeans. Recent rains have created favorable
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We have NOT found active tar spot in Indiana yet. Corn growth stages are quite variable across Indiana but a number of areas with early
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In Indiana, tar spot has been an annual concern since 2018 when growers experienced 20-60 bu/A loss. In 2021 favorable weather conditions led to another
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Applied Research in Field Crop Pathology for Indiana – 2022
READ MOREBy Kaitlin Waibel In 2018, tar spot was the third highest yield reducing disease of corn despite only being confirmed in only six states, but
READ MORETar spot is a foliar disease of corn that has emerged as a dire economic threat to the United States Corn Belt. Tar spot is caused
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