Tobacco Mosaic Virus

Tobacco mosaic virus Common name Tobacco mosaic virus Causal agent It is caused by members of the genus Tobamovirus which produce mosaic-like patterns on the plants, hence called tobacco mosaic virus. Symptoms & Signs Tobacco mosaic virus is characterized by light and dark green mottling, producing a mosaic-like pattern. It usually affects young leaves and may cause stunting if it occurs early during the growing season. Infected plants show elongated, wrinkled, curled, and yellow leaves. Fruit ripening is delayed, with the production of distorted, discolored fruits. Transmission It transmits to healthy plants by means of infected tools, rubbing with infected leaves, or through human contact. If the virus enters the seeds, it can also enter the plant when the seed germinates. Time of concern Throughout the crop-growing season Common hosts Tobacco Tomato Pepper Beans