It is mixture of two fungicides- Mancozeb and Metalaxyl.The partner mancozeb acts by its contact action. Mancozeb is fungi toxic when exposed to air. It is converted to an isothiocyanate, which inactivates the sulphahydral (SH) groups in enzymes of fungi. Some times the metals are exchanged between maricozeb and enzymes of fungi, thus causing disturbance in fungalenzyme functioning. Other partner metalaxyl inhabits protein synthesis, growth and reproduction in fungi.
Metaman is a dual action based, broad spectrum fungicide which controls diseases by its preventive as well as curative action. This unique combi fungicide is a best tool for preventing. and or delaying resistance development in fungal population of Oomycetes. Speciality fungicide to control foliar as well as soil borne disease caused by Oomycetes fungi-Downy Mildew, Late blight, Damping off, Phytophthora rots etc.