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 ...

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 ...

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 ...

Q: I was trimming some of my Aphrodite sweetshrub bushes and found a weird growth on them (see reader's photos). I was trimming them back anyway, so I cut those branches off. Should I spray something?

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 ...