7/18/2023 0 Comments Late blight tomato disease![]() ![]() Before planting anything again, treat the soil with a fungicide following the product’s directions. The entire plant, roots, leaves, blossoms and fruit need to be removed and destroyed. Once infected, the fruit is inedible unless you are a bird or rat. A small, round sunken spot that may be pinkish or white in color often darkens as it increases in size on the fruit. This is a soil-borne disease that doesn’t appear until the fruit begins to ripen. Don’t be reluctant to contact a local Extension Agent or Master Gardener for a second opinion. Caveat: some diseases look alike and are hard to tell apart. This isn’t a 100% guarantee of a correct diagnosis, but usually it is fairly accurate. Do they just need a snack or are they victims of a nasty little virus, mold, fungus or mildew? Take a picture of the infected part of the plant and compare it with a picture of a documented diseased plant. You did everything right, and your tomatoes are looking sickly. Next planting, rotate a non-Solanaceae plant where tomatoes are growing this year.ĭoing these things reduces the chances that you will have to deal with a tomato disease.At first appearance of disease, remove and destroy infected leaves being careful not to touch healthy leaves.Keep the growing area clean of leaf debris.When watering, do not get water on the leaves.Trellis and prune the plant to improve good air circulation.Space tomato plants about 3 feet apart.Buy seeds that are resistant to common diseases. ![]() These are gardening tips comparable to closing the windows: For a complete list of tomato diseases from Cornell University, click here.īefore going to bed, I close the windows in case it rains. Look for the following abbreviations on the seed packet or website: A-anthracnose, EB-early blight, LB-late blight, F-fusarium wilt, PM-powdery mildew, TMV-Tobacco Mosaic Virus, TSWV-Tomato Spotted Wilt Virus and TYLCV-Tomato Yellow Leaf Curl Virus. I can’t tell you which seed companies have resistance to common diseases. ![]()
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