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 ...

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

It's easy to see why tomatoes are a popular choice among home gardeners. They're relatively easy to grow, come in a range of cultivars, and produce plenty of delicious, vitamin-rich fruits. Before ...

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 ...