Herbicide for use in rice cultivation

摘要

Herbicide for use in rice cultivation contains an N-aryl-N-isopropyl heteroaryloxyacetamide of formula (I). Het = thiadiazolyl (optionally substituted by halo, 1-4C alkyl, 1-4C haloalkyl, phenyl or halophenyl); Ar = phenyl (optionally substituted by halo, 1-4C alkyl or 1-4C haloalkyl). Also claimed is a synergistic herbicide containing (I) and one or more conventional rice herbicides (II) in wt. ratio (I):(II) = 1:001-1000. (II) is AKD-741, amiprophos(methyl), anilofos, benfuresate, bensulfuron(-methyl), bensulide, bentazone, benthiocarb (thiobencarb), benzofenap, bifenox, bromobutide, bromoxynil, butachlor, butamifos, butenachlor, cafebstrole (CH-900), chlomethoxyfen (X-52), chlormethoxynil, chlornitrofen, cinmethylin, CL-303569, CL-303578, cinosulfuron, clomeprop, cumyluron, cyclosuifamuron (AC-322140), cyhalofop (-butyl) (DEH-112), 2,4-D, dichlorprop, demepiperate, dimethametryn, dithiopyr, DPX-47, diuron, dymron (daimuron, dimuron), esprocarb, etobenzanid, fenoxaprop A, fenoxaprop-P-ethyl, fluazifop-butyl, flurenol-n-butyl ester, GS-32911, haloxyfop, haloxyfop M, hexazinone, HOE-404, HOE-30374, HOK-7501 (HOK-1566), HW-52, imazosulfuron, JC-940, KUH-911 (KIH-2023), KUH-920, KNW-242, KPP-314, MCPA, MCPB, mefenacet, metsulfuron M, molinate, NC-311, naproanilide, nitrofen, NSK-850, oxadiargyl (RP-020630, MY-100), oxadiazone, oxyfluorfen, piperophos, pretilachlor, prometryne, propanil, pyrazolate, pyrazosulfuron(-ethyl), pyrazoxyfen, pyributicarb, quinclorac, quizalofop A, sethoxydim, simetryne or trifluralin.