Herbicidal compositions comprising pyroxasulfone vii

A - Human Necessities – 01 – N

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A01N 43/80 (2006.01) A01N 37/40 (2006.01) A01N 39/02 (2006.01) A01N 39/04 (2006.01) A01N 43/40 (2006.01) A01N 43/42 (2006.01) A01N 47/34 (2006.01) A01P 13/02 (2006.01)

Patent

CA 2716875

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.

La présente invention concerne des compositions actives sur le plan herbicide, lesquelles comprennent du 3-[5-(difluorométhoxy)-1-méthyl-3-(trifluorométhyl)pyrazol-4-ylméthylsulfonyl]-4,5-dihydro-5,5-diméthyl-1,2-oxazole [nom courant : pyroxasulfone] et au moins un herbicide B qui est choisi parmi le groupe constitué dauxines de synthèse et dinhibiteurs du transport de lauxine. Linvention concerne en outre un procédé de lutte contre la végétation indésirable, lequel comprend lapplication dune composition herbicide selon la présente invention aux plantes indésirables. Lapplication peut se faire avant, pendant et/ou après, de préférence pendant et/ou après, lémergence des plantes indésirables. Lherbicide A et ledit ou lesdits herbicides B peuvent être appliqués simultanément ou successivement.

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