Active ingredient | Hexaconazole 25% SC |
Chemical name | (?--butyl--(2,4-dichlorophenyl)-1H-1,2,4-triazole-1-ethanol |
Classification | Fungicide / Agrochemical |
Biochemistry | Inhibits ergosterol biosynthesis (demethylation inhibitor). |
Mode of action | Systemic fungicide with protective and curative action. |
Usage | Control of many fungi, particularly Ascomycetes and Basidiomycetes, e.g. Podosphaera leucotricha and Venturia inaequalis on apples, Guignardia bidwellii and Uncinula necator on vines, Hemileia vastatrix on coffee, and Cercospora spp. on peanuts, at 15-250 g/ha. Also used on bananas, cucurbits, peppers and other crops. |
Mammalian Toxicology | Oral: Acute oral LD50 for male rats 2189, female rats 6071 mg/kg. |
Skin and eye: Acute percutaneous LD50 for rats >2000 mg/kg. Mild irritant to eyes; non-irritating to skin (rabbits). Moderate skin sensitiser (guinea pigs). | |
Inhalation: LC50 (4 h) for rats >5.9 mg/l. |
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