Gray leaf spot in corn doesn’t start when you first see it. It begins earlier, low in the canopy, and builds until conditions allow it to spread. By the time it’s obvious across the field, the ...

The first reports of tar spot in Kansas were confirmed June 18 in Brown and Republic counties, according to Kansas State ...

Gray leaf spot of corn is caused by the fungus Cercospora zeae-maydis. The fungus is now widespread in Indiana and the Eastern Corn Belt (Midwest). Weather strongly influences development of gray leaf ...

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 ...

Between pop up thunderstorms, people going on vacation and people just not mowing enough, gray leaf spot has exploded on St. Augustine grass. I am seeing gray leaf spot on Zoysia as well. Gray leaf ...

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 ...

Q: Sections of my St. Augustinegrass lawn are looking bad. I’m seeing spots on individual blades with some blades withering up and dying. Is this a fungus? A: What you’ve described sounds like gray ...

Q: I have been battling a fungus on my grass all summer and I was curious if you could help me fight it. I have been told I have leaf spot disease on my St. Augustine grass. Can you help? A: Gray leaf ...