Mosaic Cucumber Virus is one beast of a disease, and unfortunately once infected, the plant cannot be cured. Pepino mosaic virus (PepMV) was first described in 1980 on pepino (Solanum muricatum) in Peru (Jones et al., 1980). Growing healthy, pest- and disease-free tomato plants is relatively simple. Mosaic Virus affects many commonly consumed melons and fruits such as squash, zucchini, watermelon, and pumpkin. Phytopathology, 50:235-237. The disease is most prevalent a few rows into a tomato field near alfalfa. Destroy any seedlings that appear stunted or distorted and then decontaminate tools and hands. Tobacco mosaic virus (TMV) and the closely related tomato mosaic virus (ToMV) cause common mosaic; cucumber mosaic virus (CMV) causes cucumber mosaic. Plant shown was infected with Tomato Mosaic Virus (ToMV) or Tobacco Mosaic Virus (TMV). Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. ToMV and TMV are considered to be different viruses based on genetic, protein and host range differences. Control insects (thrips and whiteflies) that carry viruses (see HGIC 2218, Tomato Insect Pests). The Tobacco mosaic virus reaches the tomatoes through infected seeds, or through the vegetal residues of the infected plants. Tomato mosaic virus symptoms can be found at any stage of growth and all parts of the plant may be infected. Cucumber Mosaic Virus is one of the most widespread of all viral diseases. Only a small number of seedlings need to be infected for the virus to spread Resistant varieties of tomatoes have yet to be developed for cucumber mosaic virus, but tomatoes that are resistant to tobacco mosaic virus may have some slight resistance to cucumber mosaic virus as well. More than 20 viruses affect tomatoes worldwide, causing a wide variety of mosaic patterns and distortions to the leaves, stunted growth and marbling patterns on the fruit. It is found worldwide and affects tomatoes and many other plants. What are tomato viruses? To make matters worse, it is very hard to distinguish from the closely related tobacco mosaic virus. The effect of tomato mosaic virus on tomato yield. Asked July 24, 2016, 5:30 PM EDT. My zucchini and summer squash have the mosaic virus. CMV has an extensive host range and is transmitted by aphids in a nonpersistent manner. A few days later another tomato started doing the same thin… The tobacco mosaic virus (TMV) is one of many viruses of the genus tobamovirus, which infect a vast number of plants, including varieties of tobacco, tomato, potato, and squash. Soil, seed, starter pots and containers can be infected and pass the virus to the plant. Problem: Cucumber Mosaic Virus Host Plants: Tomato, pepper, cucumber, melons, squash, spinach, celery, beets, and petunia. 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