When corn leaves begin developing long, tan lesions in midsummer, many growers assume they’re looking at gray leaf spot and start considering a fungicide application. This year, Iowa State University ...

Gray leaf spot is a widespread fungal disease in corn, responsible for a 23-million-bushel yield loss in the U.S. in 2024.¹ Controlling gray leaf spot requires more than just deciding if you should ...

Gray leaf spot is also active in the lower canopy at multiple sites across the state. The lesions are light tan in color and generally narrow and rectangular, and can be as long as 2 inches. As the ...

Take action to keep diseases at bay. Chelsea Dinterman grew up in rural Maryland where she was active in 4-H and FFA. She spent a year working for an agricultural newspaper in Southeast Kansas before ...

If your ryegrass lawn has thinned into ragged brown patches during a hot, sticky July and the tips of the blades look twisted, grey leaf spot is worth ruling in before you blame the drought. This ...

JEFFERSON CITY, Mo. (DTN) -- Farmers know to get the biggest bang for their fungicide buck, timing is everything. A new online resource from the Crop Protection Network (CPN) can help guide timely ...

A view of long rows of tomato plants filled with red and green. bymuratdeniz/iStock Pamela Corle-Bennett Leaf spot diseases and physiological leaf roll on your plants contributed Leaf spot diseases ...