Katyayani Trichoderma harzianum is a Bio fungicide. It is a Liquid Formulation containing high concentrations of natural live Trichoderma harzianum fungus. When applied to the soil or seeds, the bacteria colonize the plant root zone and help to protect plants from a variety of fungal diseases. It is considered an eco-friendly alternative to chemical fungicides because it is safe for humans, animals, and the environment.