| 摘要 |
The present invention relates to herbicidally active compositions, which comprise 3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro- 5,5-dimethyl- 1,2-oxazole [common name pyroxasulfone] and at least one herbicide B which is an inhibitor of the electron transfer in photosynthesis and which is selected from the groups of: b.1 arylurea herbicides; b.2 triazin(di)one herbicides; b.3 terbuthylazine; b.4 pyridazinone herbicides; b.5 phenylcarbamate herbicides; b.6 nitrile herbicides; b.7 bentazone and its salts such as bentazone sodium;and b.8 methylthiotriazine herbicides.The invention furthermore relates to the use of a composition as defined herein for controlling undesirable vegetation in crops which, by genetic engineering or by breeding, are resistant to one or more herbicides and/or pathogens, such as plant-pathogenous fungi, and/or to attack by insects; preferably resistant to one or more herbicides that act as inhibitor of the electron transfer in photosynthesis. The invention furthermore relates to a method for controlling undesirable vegetation, which comprises applying an herbicidal composition according to the present invention to the undesirable plants. Application can be done before, during and/or after, preferably during and/or after, the emergence of the undesirable plants. The herbicide A and the at least one herbicide B can be applied simultaneously or in succession.
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