Nematodes (N) are microscopic worms that attack roots, and again, effect a plant’s plumbing by restricting water and nutrient absorption by the roots.īlight tolerant varieties – blight is a most serious fungal disease as it spreads easily and can destroy all your plants in a couple of weeks! Legend, Ferline F1 and Losetto F1 are blight tolerant and put-up some resistance – but they are not totally immune. Mist the plants directly into the air with a light mist. 2 cups tomato juice and 2 cups water should be added to the tomato juice mixture. The plants will be treated by spraying a concentrated mist onto them. The two wilts (V+F) are fungal diseases that stop-up a plant’s plumbing. 1 cup copper fungicide concentrate or 1 gallon of water can be added to 1 cup concentrate. There are many diseases that affect tomato plants but here are a few very common ones:ĭisease resistant codes such as VFN = Verticillium Wilt, Fusarium Wilt and Nematodes are often mentioned or listed on seed packets – Roma VF for example However, for the home gardener, a little understanding of diseases and how to avoid them, will go a long way. If growing outside each season, and in the same soil, a grower will have a good idea “what lurks beneath!” and how to combat it. Professional tomato growers are very conscious of the diseases that are likely to affect their plants. Best Self Watering Planter For Tomatoes. How To Water and Feed Tomatoes in Containers.Tips for Growing Tomatoes in Containers.Direct Soil Planting vs Container Growing.Choosing Tomato Plants with Disease Resistance.Tumbler Tomatoes and Trailing Varieties.There’s an open-pollinated option for blight resistance, too: vigorous ‘Matt’s Wild Cherry,’ which is often the last heirloom tomato standing in gardens during bad blight years. Bred by Randy Gardner at North Carolina State University, ‘Mountain Magic’ debuted on the market in 2012 after a long string of taste-test wins. Check out these tomato varieties that do well in heat and humidity. Crimson Crush is well worth a try if you have struggled with growing tomatoes previously. Not a over vigorous variety, so good for smaller gardens. It will produces a heavy crop of large round tomatoes, with a good flavour. In field trials on Long Island, N.Y., slightly larger-fruited ‘Mountain Magic’ earned high flavor and performance scores from consumers. Tomatoes for the south are resistant to blight or strong enough to keep producing through a bad case of blight. Tomato Crimson Crush is an excellent UK bred blight resistant variety. An early, widely adapted, indeterminate red cherry tomato, ‘Jasper’ received high ratings from AAS judges for its sweet flavor. Some are even “double-resistant,” meaning they have resistance to early blight, too, which affects tomatoes almost everywhere.Īfter trialing in North American gardens, Johnny’s double-resistant ‘Jasper’ cherry tomato was named a 2013 All-America Selections (AAS) winner. It takes about 80 days to reach maturity, producing 6 oz, oval-shaped tomatoes. Roma tomatoes are resistant to fusarium wilt, verticillium wilt, late blight, and alternaria stem canker. Thanks to breeding work done by Johnny’s Selected Seeds, Cornell University and North Carolina State University, gardeners can now fend off tomato blight by choosing from several good-tasting, blight-resistant varieties. It’s a determinate tomato variety that grows in the form of a compact bush, producing an impressive yield if tended well. Once regarded as only a late-summer ailment that hit tomatoes sporadically, last year late blight handily wiped out tomato crops from New York to Georgia.īut the end of the late-blight nightmare is nigh. Caused by the microorganism Phytophthora infestans, late blight kills susceptible tomato plants within days of infection. Tomatoes top home gardeners’ lists of favorite crops, but since 2009, thousands of tomato lovers have had to stand by helplessly as persistent rains triggered outbreaks of late blight.
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