Patent ID: 7521596

Claim:
A method for controlling weeds comprising applying one or more compounds selected from the group consisting of: (1) flufenpyr-ethyl, (2) 2-[4-chloro-2-fluoro-5-(2-propynyloxy)phenyl]-4-methy-5-(trifluoromethyl)-3(2H)-pyridazinone, (3) carfentrazone-ethyl, and (4) sulfentrazone; to a cultivation area of a plant that expresses an introduced DNA encoding cytochrome P450 selected from the group consisting of: (a) cytochrome P450 having activity of metabolizing a protoporphyrinogen IX oxidase inhibitory-type herbicidal compound and comprising an amino acid sequence that has 90% or more sequence homology to the amino acid sequence of SEQ ID NO: 1 or 2, (b) cytochrome P450 comprising the amino acid sequence of SEQ ID NO: 1, and (c) cytochrome P450 comprising an amino acid sequence of SEQ ID NO: 2.