chlorothalonil (Bravo, Echo) – contact fungicides – have been very effective protectants in tomato.Know the symptoms. See the Tomato Late Blight Photo Gallery and refer to Late Blight Look-Alikes for photos of late blight and possible look-alikes on tomato. If the weather conditions become dry, the spray intervals may be extended. Tighten up spray intervals – During wet cool periods, a fungicide should be applied every 5 – 7 days to protect against late blight.The disease is suppressed by hot, dry weather, but it can continue developing and spreading when suitable conditions return. Cloudy and high humidity or wet conditions are favourable for late blight. Remember that conventional tomato growers using a recommended fungicide program for early blight, septoria leaf spot, and anthracnose, are also protecting the crop from late blight infection. Timely observation of blight in tomato and using a suitable remedy can protect your harvest from damage.OMAF and MRA has confirmed the presence of late blight in a tomato sample from Chatham-Kent.
These are some of the effective remedies for tomato blight. Proper spacing allows better airflow and reduces humidity, the primary cause of fungal growth and spread. Proper Planting and Spacing: Only plant tomatoes in soil that is well drained and has good air circulation. Do it early in the morning, as the leaves will dry during the day. Wet foliage attracts and helps in the spread of fungal pathogens. Watering Practices: One should not water the tomato plant from top. Some studies conducted in the University of Rhode Island, reveal that tomatoes which were sprayed with aspirin, yielded higher crop as compared to those sprayed with commercial fertilizer. If you still observe powdery mildew after a week, then apply this solution again. Take 325 g of uncoated aspirin tablets with one quart of water in a squirt bottle or a garden sprayer and apply on entire tomato plants. If you are going to collect the harvest in two to three weeks, then this tea spray should be avoided.Īspirin fungal spray: Aspirin is an over the counter medicine and it is used to counter blight in tomatoes as it is effective over powdery mildew. Apply this strained tea on the plant with a spray bottle. Keep stirring tea everyday and on the fifth day, sieve tea through a cheesecloth or a sieve. Keep this container outside in temperatures between 60 and 70 degrees F for nearly 5 days. Take one part of well aged compost, usually four months old with 6 to 8 parts of water and mix well in a covered container. Baking soda should be sprayed in prescribed quantity as too much of it can harm plants.Ĭompost tea: This remedy also helps fight both early and late blight in tomato. This mixture should be applied out of direct sunlight to avoid burning of plants. This mixture should be sprayed with a spray bottle over entire tomato plants. To use this remedy, mix 1 tbsp of baking soda with one quart of warm water and add 2 ½ tbsp of vegetable oil or liquid dish soap. The following home remedies can be used to tackle tomato blight:īaking soda: It has fungicidal properties, thus, help stop spreading of fungus in early and late blight. Blight usually begins at the base of plant and make its way to the top of the plant, thus, affecting the harvest.Discolorations in the form of concentric circles shows tomato blight.Black or brown spots in the lower leaves of the plant.You will observe the following symptoms in tomato plants in case of its blight: These lesions soon develops into concentric circles of chocolate brown color. Common symptoms of late blight include leaf lesions in olive green to black in color and appear oily, producing fuzzy spores. Late blight of tomato is caused by a fungus Phytophthora infestans and it thrives in cool and wet conditions. Some common symptoms of early blight of tomato include crown rot, damping off, fruit rot and leaf blight. This fungus will remain in the soil and infect the plants. One form of blight is early blight of tomato blight which is caused by a fungus Alternaria solani. Tomato blight is a disease that affect leaves, stems and even fruits of a tomato plant. There are some home remedies which can cure such diseases in tomato plant and can produce beautiful and healthy berry vines. The vibrant red fruits of a tomato plant are enjoyed by many kinds of insects, pests and other microorganisms like fungus. A tomato plant is a beautiful addition to the home garden as it is quite easy to grow, but its beauty can get affected due to many problems.
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