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Abstract

The present invention provides herbicide compositions for foliar treatment each containing as active ingredients, a 2-chloro-4-fluoro-5-(4methyl-5-trifluoromethyl-3-pyridazinon-2-chloro-2-yl)phenyl C.sub.1 -C.sub.5 non-cyclic hydrocarbyl ether and one selected from the group consisting of (RS)-2-(4-chloro-2methylphenoxy)propionic acid, 2,4-dichlorophenoxyacetic acid, (4-chloro-2-methyl)phenoxyacetic acid, 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)-amino]carbonyl]amino]sulfonyl] benzoate, 2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamide, ethyl (R)-2-[4(6-chloro-1 3-benzoxazol-2-yloxy)phenoxy]propanoate, methyl (RS)-2-[4-(2,4-dichlorophenoxy)phenoxy]propionate, 3,5-dibromo-4-hydroxybenzonitrile, 4-hydroxy-3,5-diiodobenzonitrile, 3-(4-isopropylphenyl)-N', N'-dimethylurea, N'-(3-chloro-4-methylphenyl)-N,N-dimethylurea and N-(2,4-difluorophenyl)-2-[3-(trifluoromethyl)phenoxy]-3-pyridinecarboxamide; and a weeding method by foliar treatment of weeds therewith. The present compositions can be used for effective control of various weeds occurring on crop lands or non-crop lands, in which case the herbicidal activity is synergistically enhanced as compared with the cases where the active ingredients are used separately, which makes possible low-dose application, and the herbicidal spectra are expanded, so that a wide variety of weeds can be selectively controlled, particularly on wheat, barley, oat, or rye fields.

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First Claim