This tissue will soon die, but before it. This may be the year where you grow that 4 lb. Fungicides cannot cure a spot that has already developed (disease control in plants is very different from humans). Water your plants the day before spraying, hydration is important! Do not spray pesticides, fungicides, fertilizers or herbicides when it’s in the high 80’s or 90 you can damage your plants. The preventative fungicide chlorothalonil (Bravo) used on a seven to ten-day schedule gives effective control. Repeat fungicide treatments every 7 to 14 days. Clean your knife with rubbing alcohol before trimming the next plant to prevent the spread of the disease. A day after treatment, remove the lower branches with sharp razor blade knife.
If possible time applications so that 12 hours of dry weather follows applications. Thoroughly spray the plant (bottoms of leaves also) with Bonide Liquid Copper Fungicide concentrate or Bonide Tomato & Vegetable. Tomatoes that have early blight require immediate attention before the disease takes over the plants. Mulch the soil around the tomatoes with black or red plastic, landscape fabric, straw (not hay which contains weed seeds), dry grass clippings (if you don’t use weed killers) or compost.The distance from ground to bottom branches should be a minimum of 2½ feet. Remove lower branches as plants grow to avoid soil splash back.Plant resistant or tolerant tomato varieties.Aphids and White flies can spread diseases Don’t put your plants to sleep with wet feet! Water the soil around the plants in the morning only No overhead watering.Space plants apart for good air circulation no closer than 3 feet.Remove all garden crop residue a thorough cleanup is essential.Once the first infections have occurred, the spore production spreads the problem rapidly. The fungus spends the winter in infected plant debris or in the soil where it can survive at least one and perhaps several years. Apply foliar pesticides when leaves are dry don’t use airblast sprayer. Leaf Blight begins on lower older leaves and works upward leaves wither, die and fall off. The disease is difficult to treat once established, but its entry into the plant can be prevented by spraying with a protective fungicide. Symptoms occur on leaves where circular lesions to ½” in diameter are produced within these lesions dark concentric circles can be seen. Infections are most prevalent on poorly nourished or otherwise stressed plants. Fruit from defoliated plants are also subject to sunscald.Īlternaria sporulates best at about 80 degrees when abundant moisture is present. Early Blight causes infection of fruit and loss of plant vigor. Alternaria Solanica is perhaps the most common foliar disease of tomatoes.
The yellow leaves with brown patches are caused by a fungal disease called Early Blight. A fungicide that controls a wide range of fungal and bacterial diseases on fruit, vegetables and ornamentals, protecting the. Several of our customers have brought in samples of their lower leaves of their tomatoes.
It won’t be long before you’re enjoying a slice of delicious, juicy homegrown tomatoes. Pesche’s Garden Center offers both organic and natural controls. Aphids and white flies are now a problem. Keep up with feeding and proper watering.
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