Identifying septoria leaf spot early is crucial for the health of tomato plants. A defining characteristic is a dark brown margin surrounding a grayish or tan center. · this factsheet covers the identification and control of septoria leaf spot of tomatoes. · the disease manifests as black spots on leaves , with tiny, dark bumps in the center that eventually cause the leaves to turn yellow, then brown, and die. Free, easy returns on millions of items. · identifying the infection the first indication of septoria leaf spot is the appearance of small, circular spots on the plant’s lower, older leaves after the fruit has begun to set. Thankfully, if caught early enough, you can still enjoy a great tomato growing season! Learn how to identify , prevent, and treat septoria leaf spot. These spots typically measure about 1/16 to 1/4 inch in diameter. · septoria leaf spot can cause serious losses in tomato plants. Understanding how to identify , treat , and prevent this condition is essential for keeping tomatoes healthy. Grab exciting offers and discounts on an array of products from popular brands. Discover effective methods to protect your plants from this fungal disease. Learn how to identify the symptoms of this fungal disease and the cultural controls you can use to prevent or minimize infection, in this guide. What is tomato septoria leaf spot ? Read customer reviews & find best sellers. Hopefully, this article will allow you to identify septoria leaf spot and show you what to do if your plants start to show signs of the disease. · to get rid of septoria leaf spot , start by removing affected foliage, avoid overhead irrigation to keep leaves dry, and apply fungicides as needed while following good crop rotation practices.