The biological fungicidal preparation «Fungistop» is a liquid suspension. The composition includes Trichoderma viride strain 16, with a mycelium or spore titer of not less than 8.0x106 CFU/ml. The preparation belongs to biological preparations and is used to protect plants from fungal diseases. The manufacturer's name — LLC «BIOSERVICE PLUS», country of manufacture — Ukraine. The application scope includes cereal, legume crops and sunflower. The preparation is used to combat fungal pathogens on these crops. Use of this preparation contributes to plant protection without the use of chemicals, making it an environmentally safe solution.