Kentucky Corn: Tar Spot Confirmed in State Sep 25, 2021

🕔Sep 25, 2021
Tar spot on corn was confirmed by the University of Kentucky Plant Disease Diagnostic Laboratory (PDDL) in Princeton, Kentucky last week. Corn samples submitted by Curt Judy, Todd County Extension […]

Iowa Corn: End of Season Thoughts – Stalk Rot, Ear Rot, Tar Spot Sep 16, 2021

🕔Sep 16, 2021
As the 2021 growing season comes to a close, what should you be thinking about in terms of corn disease and how that might impact your harvest plans? Crown and […]

Ohio Corn: Diagnosis of Tar Spot Late in the Season Sep 14, 2021

🕔Sep 14, 2021
Understandably, tar spot has been the focus of our attention this year, as it has been detected in more than 20 counties. It is a disease that is relatively easy […]

Indiana Corn: Active Tar Spot Found, Time To Scout for Diseases Jul 9, 2021

🕔Jul 9, 2021
Early planted corn in Indiana is reaching mid- to late-vegetative stages and some tasseling in the south. Therefore, it is time to start monitoring for diseases to make an informed […]

Pennsylvania Corn: Updated Fungicide Efficacy Chart Available Apr 5, 2021

🕔Apr 5, 2021
When making decisions during the 2021 corn growing season regarding the need and use of foliar fungicides, it is important to consult the updated fungicide efficacy for control of corn diseases […]

Minnesota: Tar Spot of Corn Continues Spread Nov 20, 2020

🕔Nov 20, 2020
Tar spot of corn has continued to spread in Minnesota. This disease was found in Minnesota for the first time in four counties in 2019. In 2020, it has been […]

Illinois Corn: 6 Management Tips for Tar Spot in 2021 Nov 12, 2020

🕔Nov 12, 2020
Corn tarspot, caused by the obligate fungal pathogen Phyllachora maydis, caused significant losses for many producers in 2018.  If you recall, that season was characterized by persistent wet weather from August […]

Minnesota Corn, Soybeans: Late Summer Diseases, What to Plan for Next Year – Podcast Aug 19, 2020

🕔Aug 19, 2020
In this week’s podcast, we feature Dr. Dean Malvick, University of Minnesota Professor of Plant Pathology. Dr. Malvick discussed what diseases he is keeping an eye out for in Minnesota soybean […]

Minnesota Corn, Soybeans: Late Summer Diseases, What to Plan for Next Year – Podcast Aug 10, 2020

🕔Aug 10, 2020
This Podcast is sponsored by the UMN Extension Integrated Pest Management (IPM) Program. In this week’s podcast, we feature Dr. Dean Malvick, University of Minnesota Professor of Plant Pathology. Dr. Malvick […]

Indiana Corn, Soybeans: Foliar Diseases Increasing, Should You Spray? Jul 31, 2020

🕔Jul 31, 2020
It is important to continue to scout for diseases in both corn and soybeans. Recent rain events have increased favorable environmental conditions for the development of foliar diseases in both […]

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