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

Farmers and aerial applicators tell Randy Dowdy and David Hula some of the key considerations are application timing, droplet ...

Four confirmed cases of tar spots have been spotted on corn this year in Missouri. Phyllachora maydis, a fungus, is the cause.

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

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

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 ...

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.

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

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

It's the fifth year in a row that a new fungus called "tar spot" has robbed him of thousands of dollars. "I thought it was gray leaf spot, another disease," Herbst said. "But it just killed it — dead.

It’s estimated that tar spot, a fungal disease affecting corn, caused farmers to lose around $3 billion in the United States from 2018 to 2021.

Four confirmed cases of tar spots have been spotted on corn this year in Missouri. Phyllachora maydis, a fungus, is the cause.