Isokur — biological preparation intended for treating winter wheat seeds prior to sowing. The preparation contains the strain Pseudomonas aureofaciens Sh-19 with a titer of 5x10⁹ CFU/cm³. It is used to combat helminthosporiosis, helping to protect crops from this disease. The preparation is applied as a seed treatment, with a dosage of 5 liters per ton of seeds. Isokur is produced by the Ukrainian company PP 'Agro-Zakhist'. This biological preparation can serve as an alternative to chemical pesticides and contributes to sustainable agriculture. The preparation is applied once before sowing to ensure effective plant protection.