The Tobacco Mosaic Virus (TMV) is a plant virus that primarily infects members of the Solanaceae family, including tobacco and tomatoes. It is known for causing mottled and discolored leaves, which can lead to reduced plant growth and yield. TMV is one of the first viruses to be studied and is often used in research to understand viral structure and behavior. TMV is transmitted through mechanical means, such as handling infected plants or tools. The virus can survive in dried plant material for long periods, making it challenging to control. Effective management includes using resistant plant varieties and practicing good sanitation in gardens and farms.