Fomesafen solution is widely used as a selective herbicide in agriculture, particularly in soybean cultivation. It effectively controls broadleaf weeds by inhibiting the enzyme protoporphyrinogen oxidase (PPO), leading to the accumulation of toxic compounds in susceptible plants. This mode of action results in rapid desiccation and necrosis of weed tissues, typically within hours of application under sunlight. It is commonly applied pre-emergence or early post-emergence to weeds, offering flexibility in timing for farmers. Fomesafen is especially effective against tough weeds such as pigweed, morning glory, and waterhemp, including some glyphosate-resistant strains. Due to its residual activity, it provides extended control, reducing the need for multiple applications. The solution formulation allows for easy tank mixing with other herbicides like glyphosate or metribuzin, enhancing weed control spectrum and helping manage resistance development. It is also used in conservation tillage systems where mechanical weed control is limited. Care must be taken to avoid drift or contact with non-target crops, as fomesafen can cause significant injury to sensitive plants. Proper application techniques and adherence to label guidelines ensure effective weed management while minimizing environmental impact.