Used as a fungicide in agriculture, particularly for controlling powdery mildew on crops such as cucurbits, grapes, apples, and ornamental plants. It belongs to the anilinopyrimidine class and works by inhibiting methionine biosynthesis in fungi, which disrupts protein and nucleic acid synthesis, thereby preventing spore germination and mycelial growth. Provides protective and curative action, with systemic properties allowing absorption and distribution within plant tissues. Often included in integrated pest management programs. Effective in greenhouse and field settings, especially where resistance to other fungicides has developed. Applied as a foliar spray and exhibits good rainfastness.