Synergistically acting herbicidal mixtures

A - Human Necessities – 01 – N

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Details

A01N 47/36 (2006.01) A01N 43/70 (2006.01) A01N 43/80 (2006.01) A01N 43/88 (2006.01)

Patent

CA 2490499

A synergistic herbicidal mixture comprising: A) at least one 3-heterocyclyl- substituted benzoyl derivative of the formula (I) in which the variables have the following meanings: R1, R3 are halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, alkylsulfinyl or alkylsulfony; R2 is a optionally substituted heterocyclic radical selected from the group: isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, 4,5-dihydroisoxazol-3-yl, 4,5-dihydroisoxazol-4- yl and 4,5-dihydroisoxazol-5-yl; R4 is hydrogen, halogen or alkyl; R5 is alkyl; R6 is hydrogen or alkyl;or one of its environmentally compatible salts; and B) a synergistically effective amount of the compound of formula (II) or one of its environmentally compatible salts; and, if desired, C) at least one further herbicidal compound; and, if desire, D) at least a safener. Compositions comprising these mixtures, processes for the preparation of these compositions, and their use for controlling undesired plants.

L'invention concerne un mélange herbicide synergique comprenant: A) au moins un dérivé benzoyle à substitution 3-hétérocyclyle de formule générale (I) dans laquelle les variables ont la signification suivante: R1, R3 représentent halogène, alkyle, haloalkyle, alcoxy, haloalcoxy, alkylthio, alkylsulfinyle ou alkylsulfonyle; R2 représente un radical hétérocyclique éventuellement substitué sélectionné dans le groupe comprenant: isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, 4,5-dihydroisoxazol-3-yl, 4,5-dihydroisoxazol-4-yl et 4,5-dihydroisoxazol-5-yl; R4 représente hydrogène, halogène ou alkyle; R5 représente alkyle; R6 représente hydrogène ou alkyle; ou un de ses sels compatibles du point de vue de l'environnement; et B) une dose efficace du point de vue synergique du composé de formule générale (II) ou d'un de ses sels compatibles du point de vue de l'environnement; et, si nécessaire, C) au moins un autre composé herbicide; et, si nécessaire, D) au moins un phytoprotecteur. L'invention concerne également des compositions comprenant lesdits mélanges, des procédés de préparation desdites compositions, et leur utilisation dans la lutte contre les plantes indésirables.

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