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 ...

Black spots on tomato leaves are usually caused by fungal diseases like Septoria leaf spot or early blight, which thrive in warm, humid weather and can reduce yields or kill plants if untreated. Treat ...

Your photo and description indicate Septoria leaf spot, which is very common on Rudbeckia and is prevalent in Illinois. The disease begins on lower leaves and progresses up the plant but does not ...

Close-up photo of tomatoes on the vine with mold and tomato blight - Irina Starikova1811/Shutterstock If you've started to notice dark spots, brown leaves, or yellow ...