Herbicidal composition for upland farming and weeding method

A - Human Necessities – 01 – N

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A01N 47/28 (2006.01) A01N 43/56 (2006.01) C07D 231/22 (2006.01)

Patent

CA 2120162

A herbicidal composition for upland farming which can control weeds that have been difficult to control, for example, cleavers, chickweed, birdseye speedwell and violet, said composition containing as active ingredients a 3-substituted phenylpyrazole derivative represented by the general formula (I): (see fig. I) (wherein R is a hydrogen atom, a C1-6 alkyl group, a C3-6 cycloalkyl group, a C1-6 haloalkyl group, a C2-6 alkenyl group or a C2-6 alkynyl group, R1 is a C1-6 alkyl group, X1 and X2, which may be the same or different, are halogen atoms, and Y is an oxygen atom or a sulfur atom) and at least one compound selected from the group consisting of sulfonylurea derivatives, phenylurea derivatives and phenoxy fatty acid derivatives; and a weeding method using said composition.

Composition herbicide pour l'agriculture en région sèche qui permet de lutter contre des mauvaises herbes jusqu'ici difficiles à contrôler, par exemple, gaillet, mouron blanc, véronique et violette, ladite composition contenant comme ingrédient actif un dérivé du phénylpyrazole 3-substitué représenté par la formule générale (I) : (voir fig. I) (où R est un atome d'hydrogène, un groupe alkyle en C1-C6, un groupe cycloalkyle en C3-C6, un groupe haloalkyle en C1-C6, un groupe alkényle en C2-C6 ou un groupe alkynyle en C2-C6, R1 est un groupe alkyle en C1-C6, X1 et X2, qui peuvent être identiques ou différents, sont des atomes d'halogène, et Y est un atome d'oxygène ou un atome de soufre) et au moins un composé choisi parmi le groupe constitué de dérivés de la sulfonylurée, des dérivés de la phénylurée et des dérivés des acides gras phénoxy; et une méthode de désherbage à l'aide de ladite composition.

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