One natural treatment for early blight is baking soda. In particular, be on the lookout for weeds in the nightshade family, since these are often infected with early blight.Īlso clean up and dispose of any infected plant debris and never save seed from infected plants. (Too much nitrogen can also lead to catfaced tomatoes.)īe sure to keep up with weeds in your garden. Instead, choose a fertilizer that has more phosphorus.
Also, be sure to remove suckers from tomato plants to ensure that the inner part of the plant gets good air circulation.Īvoid high-nitrogen fertilizers since they will produce lush foliage growth, which can be easily infected. Pruning off the lower branches will also avoid soil contact with leaves.Ĭover the soil with mulch and avoid overhead watering.
Other ways to treat early blight on tomato plants is to be sure to stake or cage tomatoes to prevent their leaves from touching the soil.
#Diy tomato blight spray how to#
How to treat early blight on tomatoesĮarly blight tomato treatment includes practicing crop rotation, and perhaps not growing eggplants and tomatoes for a couple of years. I earn a small commission, at no extra cost to you if you purchase through an affiliate link. Some of the links below are affiliate links. On young tomato plants, these stem lesions can girdle the plant stem and kill the plant. Sunken spots with concentric circles may develop on the stems as well. Infected plants will have spots with concentric rings and yellow halos. Early blight can overwinter on infected plant debris, in the soil and on host weeds. Your plants could become infected from contaminated seeds or seedlings. The disease does not usually kill the tomato plants, but infected plants will produce smaller, damaged fruits.
If left untreated, the leaves will turn yellow and eventually drop off.Įarly blight also causes problems for potatoes and eggplants. Early blightĮarly blight (also known as Alternaria solani) is a fungal disease that causes black spots on the lower leaves of tomato plants. Keep reading as we dive into the most common causes of black spots on tomato leaves and provide effective, organic solutions for banishing them from your garden. Whether you’re a seasoned gardener or a newcomer to the world of tomatoes, this post will provide valuable insights on how to prevent and treat spots on your tomato plants, so you can enjoy a bountiful harvest of beautiful, healthy fruit.Ĭauses of black spots on tomato plant leavesĭark brown and black spots on tomato leaves can be caused by a number of factors, including fungal or bacterial infections, and well as insect damage, and environmental stress. These unsightly marks are usually caused by fungal infections or bacterial diseases, which can quickly spread throughout your vegetable garden if left unchecked. In this blog post, I’ll be sharing my experience with spotting on tomato plants and discussing some of the common culprits behind this issue. There’s nothing quite like the anticipation of seeing those first ripe fruits, only to be disappointed by unsightly blemishes on the leaves.Īfter encountering this problem in my own garden, I did some research and discovered the various causes of spots on tomato plants. As a tomato enthusiast I know, firsthand, the frustration of discovering black spots on tomato leaves.
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