The disease is more commonly observed in the field, however. From trying to avoid in the first place, to treating it with natural. Symptoms of early blight can occur on the foliage, fruit, and stem at any stage of development. We teach all of these methods in our tomato, soil and fertilization workshops! Be sure to check out the full listing here. Early blight covers tomato plants with black spots, and even makes the fruits inedible. Plants infected with the fungus can display collar rust on the stems, infected older leaves, and. Early blight can affect seedlings but is generally observed on older plants and is especially severe on plants of poor vigor. Planting only healthy, vigorous seedlings into properly-amended soil, minimizes stress on the plant through proper cultivation and fertilization techniques and can reduce the instance of early blight. Early blight is a fungal disease, Alternaria sp., that occurs on tomatoes throughout North America. This fungal disease may reappear on your plants next year, so be prepared to treat your plants early with copper soap fungicide, or with another organic fungicide as long as the label states that the product is effective against Early Blight (Alternaria).Īvoid planting tomatoes in the same spot each year if at all possible. The most common cause of dark spots on tomato leaves, early blight begins on the oldest leaves closest to the ground. Below, see photos of two options that are available locally. You will need the product as well as a spray bottle to apply it correctly. Symptoms of early blight can occur on the foliage, fruit, and stem at any stage of development. Carefully dispose of any infected foliage that’s fallen on the ground under the plant.Ĭonsider applying copper soap fungicide (certified for use in organic gardening) and be sure to follow all label instructions. Two of the most common fungal diseases may, at first glance, look similar and you may even have them both: Alternaria, or early blight, and Septoria leaf spot. Re-sanitize pruners after pruning each affected plant. Here are some photos of what Early Blight looks like on a tomato leaf:Īll affected foliage should be pruned off with sanitized pruners and thrown in the trash. Two different species but the same genus. We’ve seen Early Blight at the Grateful Tomato Garden, Green Team Farm, gardens of our WCG staff, as well as some of our community gardens. Early blight tomato infection is caused by the fungus Alternaria tomatophila and Alternaria solani. ![]() Be on the lookout now for brown “bullseye” rings with yellow halos on the lower leaves of your plant, as the disease starts at the bottom of the plant and travels upward. ![]() While it doesn’t affect the health of your tomato plants, it can stunt their growth and cause other damage. ![]() If caught early, this fungal disease need not be fatal to your tomato plant. Early blight is a fungal disease that attacks tomatoes, peppers, eggplants, and other members of the nightshade family. Lets learn about how to manage and treat Early Blight! Identifying Early Blight in TomatoesĮarly Blight is a fungal infection that is very common in Salt Lake.
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