Trichoderma spp. Are used appreciably in agriculture as biological manage agents to save you soil-borne plant diseases. In recent years, mycoviruses from fungi have attracted increasing attention because of their results on their hosts, but Trichoderma mycoviruses have no longer been the issue of extensive study. We sought to discover novel mycoviruses from Trichoderma spp. And to determine the consequences of the biocontrol function of Trichoderma spp. Mycoviruses are considerable viruses that infect filamentous fungi and yeasts, and most do not motive their hosts to exhibit apparent symptoms. The majority of mycoviruses show off a double-stranded RNA (dsRNA) genome, that's diagnostic. However, a few mycoviruses show off single-stranded RNA (ssRNA), double-stranded DNA (dsDNA), or single-stranded DNA (ssDNA) genomes. Based at the mode of replication and the kind of genome, the International Committee on Taxonomy of Viruses has divided all presently acknowledged mycoviruses into 16 households and an unclassified group. The 16 families include seven dsRNA virus households, five positive-sense ssRNA virus families, two reverse-transcription virus households (+ssRNA), one negative-experience ssRNA virus family, and one positive-feel ssDNA virus family. The taxonomic popularity of about 20% of fungal viruses has yet to be determined.