Understanding Septoria Leaf Spot. Do you have brown or black spots on your tomato leaves? It could be septoria leaf spot.

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 ...

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.

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?

Tomatoes are one of the most commonly grown vegetables in home gardens. While tomatoes are relatively easy to grow, there are a few diseases to keep in mind. Three of the most common diseases people ...

Identification and characterization of Septoria steviae as the causal agent of Septoria leaf spot disease of stevia in North Carolina Alyssa M. Koehler, Maximo T. Larkin, Layne W. Rogers, Ignazio ...