Prune off the lowest 3-4 leaf branches once plants are well established and starting to develop fruits.Keep plants well mulched to minimize soil splashing.Monitor transplants carefully for signs of this disease.Provide adequate spacing to increase air circulation and remove all suckers that emerge from the plant base.
The disease spores are wind-blown, allowing the disease to spread through a garden or neighborhood.Įarly blight symptoms on fruit Lesions with a yellow halo on foliage A severe early blight infection Management The disease can spread during wet or dry weather but is favored by rainfall and heavy dews. Infected, dead leaves may stick to fruits. When leaves die, fruits become more vulnerable to sunscald.Early blight is typically splashed by rainfall onto lower leaves early in the season. It can also be transmitted on seeds and transplants. The fungus overwinters in soil and on plant debris. This is a very common foliar disease of tomato plants that can result in defoliation and reduced yields.
The disease can also move to stems and fruits and produce dark lesions. Individual lesions enlarge and coalesce and can kill entire leaves. The lesions develop a "bulls-eye" pattern of concentric rings that can be seen with a hand lens. A yellow halo usually surrounds the lesions.
BLIGHT ON TOMATOES TREATMENT ORGANIC FULL
We teach all of these methods in our tomato, soil and fertilization workshops! Be sure to check out the full listing here.Brown spots on leaves at the bottom of tomato plantsĮarly blight - Alternaria linariae (= A. 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. 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. 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. 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. 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. 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. 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. If caught early, this fungal disease need not be fatal to your tomato plant.
BLIGHT ON TOMATOES TREATMENT ORGANIC HOW TO
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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