What Causes And How To Treat Early Blight On Tomato Plants?

Filed Under: Vegetables, Diseases and Fungus · Keywords: What Causes, How To, Treat, Control, Remedy, Early Blight, Tomato, Plants · 1339 Views
What causes early blight in my Early Girl Tomatoes? What can i do to get rid of it?
Thanks
Arthur Wicks


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Answer #1 · Maple Tree's Answer · Hi Arthur-Early Blight is a common problem with tomatoes especially during wet or moist weather. This year there has been a lot of wet weather in many locations that has produced the perfect invironment for the development of this disease. Early blight is a fungal disease that loves warm wet conditions. Preventative measures with the regard to watering is the best control of this fungal disease. Leaves that stay damp or moist for a period of time especially at night promotes this disease. The spores that develop with this disease are easily spread to other parts of the plant and other plants by wind and spashing water from rain or overhead sprinklers. The best way to control this disease is watering in the morning so any water on leaves dries quickly. If you are watering with sprinklers change to drip irrigation or hand water at the base of the plants so no water wets the leaves. Keep plants around or near your tomato plants pruned so as to aid in as much air circulation around your plants as possible. This helps to keep leaves dry. Leaves that are affected by this fungus are usually spotted closer to the ground at first as these leaves will stay wet longer. It is important to prune off any leaves that are growing close to the ground on your indeterminate tomatoes. If signs of the blight are showing up a little higher you can prune off infected leaves to about 18 inches from the ground. On lower more bushy deterniate varieties prune off only the leaves touching the ground. Pruning off infected leaves will help to keep much of the disease from spreading. Be sure to wipe off your pruning shears with alcohol or bleach before and after pruning to prevent cross contamination. Also be sure to discard the pruned leaves and those that may be lying on the ground so they do not blow or contaminate other plants. Do not add these infected leave to a compost pile.

There are fungicides you can purchase at your quality nurseries and garden centers that will control this disease such as Daconil and Fungonil. Make sure you read the labels and follow instructions carefully. Many including myself would rather use a more natural or organic product, such as those containing Neem Oil. Neem oil will also control insects that eat plants but will not harm beneficial pollinating insects.

Below I have noted a link to an article in Gardenality on Problems, Solutions, and Fungal disease for tomatoes you may be interested in reading. Just click on the link to go directly to the article.

http://www.gardenality.com/Articles/83/Problems-and-Solutions/Diseases-and-Fungus/Disease-Control-For-Tomato-Plants/default.html

Hopefully this has helped. Please ask if you have any other questions.

John)



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