![]() ![]() ![]() The first signs of the disease appear as small, circular or irregular-shaped spots on the lower leaves of the tomato plant. Early Symptoms of Early BlightĮarly Blight typically starts to manifest during the early to mid-growing season, usually when the weather is warm and humid. These spores are released into the air and can travel short distances to reach nearby tomato plants. During the early spring, under favorable environmental conditions, the pathogen becomes active and starts producing spores. The fungus Alternaria solani overwinters in infected plant debris left in the soil from previous growing seasons. Tomato Leaf with Early Blight Early Blight Pathogen and Disease Cycle If left unchecked, Early Blight can significantly reduce tomato yields and weaken the overall health of the plant. ![]() As the infection progresses, these spots gradually enlarge and merge, leading to widespread leaf yellowing, browning, and defoliation. The disease manifests as small, dark spots with concentric rings on the lower leaves of the plant. It is caused by the pathogen Alternaria solani, and it usually starts to manifest during the early to mid-growing season. What is Early Blight?Įarly Blight is a fungal disease that primarily affects tomato plants, though it can also affect other solanaceous crops like potatoes. Let’s talk about what it is, identification, prevention, and management of Early Blight to help protect your tomato plants and ensure a successful harvest. However, they are susceptible to various diseases, and one of the most common problems they face is Early Blight, caused by the fungus Alternaria solani. Tomato plants are a popular choice for gardeners due to their versatility and delicious fruit. When you purchase through links on my site, I may earn a commission at no cost to you. ![]()
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