Unlike most leaf diseases, tar spot starts impacting the crop at the bottom of plants. That means fungicides you apply must ...

Whether tar spot is a significant problem for corn growers this season is yet to be seen, but one thing you need to know – it’s already showing up in some Midwest fields. The second week of ...

Last March at the Conservation Tillage and Technology Conference in Ada, Morgan Goodnight, a Ph.D. candidate advised by Dr.

Tar spot has been detected again in the state, with the first confirmed report of 2025 occurring June 11 in northeast Kansas.

Fungicide applications and crop rotation can also limit tar spot’s impact, according to Gale. He ranks fungicide as the second most important management tool.

As fields stretch tall and green across the region, central Illinois farmers have found themselves cautiously optimistic ...

ST. LOUIS — Four confirmed cases of tar spots have been spotted on corn this year in Missouri. Phyllachora maydis, a fungus, is the cause. The fungal disease appears on crops as tiny, black, and ...

Officials are monitoring the spread of a disease that is hurting corn production in Kansas. The Kansas State Research and ...

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 severe epidemic where reports of 50% yield loss ...

Heat has dominated the Indiana Farm Forecast for quite some time now. Some crops are handling the heat well while others are not. The good news is that disease pressure has been low to start the ...

The cool, wet weather of June in north central Wisconsin has caused crop development to be a bit behind schedule.

Tar spot, a nickname for a fungal disease affecting corn, ... Missouri. Infectious crop disease ‘tar spot’ spotted early in Missouri by: Nick Gladney. Posted: Jun 20, 2024 / 02:28 PM CDT.