In the current paper is presented the pathogen depending on its nature, the character of appearance and spread to tomato plants. Climatic conditions during the growing season were relatively unfavorable for primary description and evolution dynamic manifestation and extension of the disease that affected some reproductive organs with phytopathological impact. Evaluation of complex research in field conditions, on characterization and evaluation of plant genetic resources by using various methods of improving the pathogenic form, the tobacco mosaic virus has demonstrated an increase in disease compared to parental forms and a decrease compared to F1 hybrid combinations.