Hexaconazole ingredient is a broad-spectrum fungicide. it controls fungi through the mechanism of preventing the biosynthesis of Ergosterol (the substance that makes up the fungal cell membrane). Disease will be isolated and stop growing because they cannot form new cells. It is quickly absorbed by plant tissues, has strong translocation and drainage, so it can control fungal diseases quickly, effectively and for a long time by both prevention and treatment. Mekongvil 5SC is registered to prevent sheath blight disease