Keep your red-tipped photinias from “blighting-out” by starting a spring fungicide application program for Entomosporium leaf spot. This disease, also referred to as photinia leaf spot, is the No. 1 ...

Are you dealing with Septoria brown spot in your soybean fields? You already know this and other common foliar fungal diseases wreak havoc on soybean crops, but you might not know how to start ...

As corn growers prepare for 2026 fertilizer applications, now is the time to consider ways to maximize this pass across the ...

BROOKINGS, S.D. - Moderate levels of some wheat leaf diseases are developing in South Dakota due to the rains the state has received this spring. "The most notable diseases are powdery mildew, stripe ...

A picture of leaves with leaf spot disease. - Boyloso/Shutterstock Have you noticed discolored spots or lesions on the leaves of your plants? This could be leaf spot disease, and it's wreaking havoc ...

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 ...

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 ...

Question. A ligustrum tree near the entrance to our home has brown spots on the leaves even though it gets needed fertilizer. What is the cause and what should we do? Answer. Fertilizer applied three ...

Cercospora leaf spot (CLS), caused by the fungus Cercospora beticola, continues to challenge sugar beet production across global agricultural landscapes. The disease, which detrimentally affects ...

A reader recently asked what the brown spots are on their rhubarb. Leaf spots are commonly found on rhubarb plants. This is more of an aesthetic problem and won't severely damage the plant. Rhubarb is ...

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 ...