Use of arylcarboxylic acid biphenylamides for seed treatment

A - Human Necessities – 01 – N

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A01N 43/78 (2006.01) A01C 1/06 (2006.01) A01N 37/22 (2006.01) A01N 37/24 (2006.01) A01N 43/40 (2006.01) A01N 43/56 (2006.01) A01P 3/00 (2006.01) A01N 43/653 (2006.01) A01N 47/02 (2006.01)

Patent

CA 2649925

The invention relates to the use of arylcarbonic acid biphenylamides of formula (I) wherein X is halogen or methyl; n is zero, 1 or 2; Y is cyano, nitro, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-halo-alkoxy, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkoxy-iminomethyl or allyloxy- iminomethyl; m is zero to 5; Ar is an aryl radical of the formula IIa, IIb or IIc wherein R1 is hydrogen, halogen, C1-C4-alkyl or C1-C4-haloalkyl, R2 is C1-C4-alkyl, R3 is hydrogen, halogen or methyl, R4 is hydrogen, halogen or C1-C4-alkyl, R5 is C1-C4-alkyl or C1-C4-haloalkyl, Z is CH or N and R6 is halogen, C1-C4-alkyl or C1-C4-haloalkyl, for seed treatment for protecting plants after germination from the attack of foliar phytopathogenic fungi and corresponding methods of seed treatment for protecting plants after germination from the attack of foliar phytopathogenic fungi. The invention also relates to seed treatment formulations comprising the arylcarboxylic acid biphenylamides of formula (I), and to seeds treated therewith.

La présente invention concerne l'utilisation de biphénylamides d'acide arylcarboxylique représentés par la formule (I). Dans cette formule, X est halogène ou méthyle. Le n vaut 0, 1 ou 2. Y est cyano, nitro, halogène, C1-C4 alkyle, C1-C4 haloalkyle, C1-C4 alcoxy, C1-C4 haloalcoxy, C1-C4 alkylthio, C1-C4 haloalkylthio, C1-C4-alcoxy-iminométhyle ou allyloxy-iminométhyle. Le m vaut de 0 à 5. Ar est un radical aryl représenté par la formule IIa, IIb ou IIc dans laquelle R1 est hydrogène, halogène, C1-C4 alkyle ou C1-C4 haloalkyle, R2 est C1-C4 alkyle, R3 est hydrogène, halogène ou méthyle, R4 est hydrogène, halogène ou C1-C4 alkyle, R5 est C1-C4 alkyle ou C1-C4 haloalkyle, Z est CH ou N, et R6 est halogène, C1-C4 alkyle ou C1-C4 haloalkyle. Ces biphénylamides d'acide arylcarboxylique sont destinés au traitement de protection de végétaux après germination, en l'occurrence contre l'attaque de champignons phytopathogènes foliaires. L'invention concerne également des procédés permettant un traitement de protection de végétaux après germination, en l'occurrence contre l'attaque de champignons phytopathogènes foliaires. L'invention concerne enfin des formulation pour le traitement des semences à base des biphénylamides d'acide arylcarboxylique représentés par la formule (I), et des semences traités avec ces biphénylamides d'acide arylcarboxylique.

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