| 摘要 |
A herbicide comprising as an active ingredient a sulfonanilide compound represented by the formula: wherein, R1 represents CHF2 or CH2CF3; R2 represents hydrogen, C1-3 alkyl, 3-propenyl, or 3-propynyl; R3 represents hydrogen; R4 represents hydrogen, hydroxy, or methylthio, or R3 and R4, together with a carbon atom to which they are bonded, may form C-O; R5 represents halogen or methyl; X represents methoxy or chlorine; and Z represents CH or N; with the proviso that, (i) when R1 represents CH2CF3, R2 represents hydrogen, R5 represents bromine or iodine, X represents methoxy, and Z represents CH, (ii) when R1 represents CHF2 and X represents methoxy, R5 represents bromine or iodine, Z represents N, and R2 represents C1-3 alkyl, 3-propenyl, or 3-propynyl, (iii) when R1 represents CHF2 and X represents chlorine, Z represents CH. |
