WebJul 14, 2024 · If some tomatoes have a shrunken, leathery, black bottom end, then blossom-end rot is at work, caused by a calcium deficiency. But it’s often not a lack of calcium in the soil; rather, the... WebSep 3, 2024 · Typically, when black spots appear on healthy tomato plants, they are suffering from a condition that’s called blossom end rot. More than likely, this is related to a water issue. If the...

Identifying and Controlling Septoria Leaf Spot - The …

WebFeb 26, 2024 · The leading causes of black spots on tomato leaves are septoria leaf spot ( Septoria lycopersici ), early and late blight ( Alternaria and oomycete Phytophthora ), and aphids. You can treat leaf spot and … WebFeb 26, 2024 · 4 Main causes of black dots on tomato leaves (Brown Spots on Tomato Leaves) 1. Septoria leaf spot on tomatoes. Septoria leaf spot is a prevalent disease in tomato plants. It is something that all gardeners should be aware of, as it is highly likely that they will come across it at some point in time. Septoria (Septoria lycopersici) is a … exterior wood white paint

Black Edges on Tomato Leaves Top 4 Causes and Solutions

WebJan 26, 2015 · This is one of the most common diseases of tomatoes in Michigan. This disease can kill the plant but does not damage the fruit. Leaves: Septoria begins on the lowest leaves on the plant. Small, dark spots are the first sign. Then the spots develop yellow halos. Leaves turn yellow, then brown, and dry before falling off. WebMay 29, 2024 · If your tomato plant has leaves that are turning black, they most likely have a disease such as late blight, bacterial speck, or bacterial canker. A common disease also … WebOn tomato foliage, Early blight first appears as circular irregular black or brown spots on the older leaves of the plant. As these lesions enlarge a series of dark concentric rings develop in the center of the spot creating a distinct target pattern. ... If tomato plants become infected with Septoria leaf spot early in the growing season ... exteris bayer