Abstract: Substituted quinolinones of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Substituted quinolinones of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: The present invention relates to uracils of formula I wherein the variables are defined according to the description, processes and intermediates for preparing the uracils of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidal effective amount of at least one uracil of the formula I to act on plants, their seed and/or their habitat.

Abstract: The present invention relates to tetrahydrophthalimides of formula I wherein the variables are defined according to the description, processes and intermediates for preparing the benzoxazinones of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidal effective amount of at least one tetrahydrophthalimide of the formula I to act on plants, their seed and/or their habitat.

Abstract: The present invention relates to benzoxazinones of the general formula (I) wherein the variables are defined according to the description, processes and intermediates for preparing the benzoxazinones of the formula (I), compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidal effective amount of at least one benzoxazinones of the formula (I) to act on plants, their seed and/or their habitat.

Abstract: Substituted pyrazines of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the pyrazines of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one pyrazine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Substituted pyrazines of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the pyrazines of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one pyrazine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Heterocyclic compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Substituted pyridines of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the pyridines of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one pyridine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Piperazine compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the piperazines of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one piperazine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Substituted pyridines of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the pyridines of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one pyridine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Piperazine compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the piperazine compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one piperazine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Piperazine compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the piperazine compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one piperazine compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: Substituted quinolinones of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one compound of the formula I to act on plants, their seed and/or their habitat.

Abstract: The present invention relates to a herbicidal composition which comprises: a) at least one herbicide A selected from glyphosate, glufosinate and their salts, and b) a herbicide B which is 3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole [common name: pyroxasulfone]. The present invention relates in particular to a herbicidal composition comprising: a) at least one herbicide A selected from glyphosate, glufosinate and their salts, b) a herbicide B which is 3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole [common name: pyroxasulfone], and c) at least one further herbicide C, which is selected from the herbicide groups C.1 to C.8: C.1 herbicides of the group of acetolactat synthase inhibitors (ALS inhibitors), C.2 herbicides of the group of protoporphyrinogen oxidase inhibitors (PPO inhibitors), C.3 herbicides of the group of auxines, C.

Abstract: 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.

Abstract: 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 and at least one herbicide B which is selected from group consisting of synthetic auxins and auxin transport inhibitors. 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.

Abstract: 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 and at least one herbicide compound B which is an selected from inhibitors of the very long chain fatty acids (VLCFA) synthesis. The invention furthermore relates to the use of a composition as defined herein for controlling undesirable vegetation, in particular in crops. When using the compositions of the invention for this purpose the herbicide A and the at least one herbicide B can be applied simultaneously or in succession, where undesirable vegetation may occur.

Abstract: 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 selected from protoporphyrinogen-IX-oxidase inhibitors. The invention furthermore relates to the use of a composition as defined herein for controlling undesirable vegetation in crops. When using the compositions of the invention for this purpose the herbicide A and the at least one herbicide B can be applied simultaneously or in succession in crops, where undesirable vegetation may occur.

Abstract: 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 selected from inhibitors of the phytoene desaturase. The invention furthermore relates to the use of a composition as defined herein for controlling undesirable vegetation in crops. When using the compositions of the invention for this purpose the herbicide A and the at least one herbicide B can be applied simultaneously or in succession in crops, where undesirable vegetation may occur.