In late summer or fall, Cercospora fungus causes brown spots on hydrangea leaves. The plant looks unsightly but usually ...

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 ...

If Septoria leaf spot is wreaking havoc on your tomato plants, it's not too late to save them. Here's how to fix it and prevent future infection.

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 ...

If you see velvety green spots on your apples or leaves, it's a sign your fruit tree has been affected by a disease that can ...

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?

Oilseed rape growers are being urged to examine crops for phoma leaf spot as the current wet weather is likely to encourage a ...

NSW Government plant pathologists are developing solutions to manage an emerging fungal disease that threatens the production of barley — the state's ...

Red leaf blotch has spread rapidly from a few San Joaquin Valley almond orchards in 2024 to throughout the state this season, ...

Southern rust on a corn leaf. Editor’s note: The following was written by Alison Robertson, professor of plant pathology and microbiology and Extension field crops pathologist, and Rebecca Vittetoe, ...