Fungicidal compositions

A - Human Necessities – 01 – N

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Details

A01N 41/06 (2006.01) A01N 37/34 (2006.01) A01N 37/46 (2006.01) A01N 37/50 (2006.01) A01N 43/36 (2006.01) A01N 43/40 (2006.01) A01N 43/50 (2006.01) A01N 43/54 (2006.01) A01N 43/828 (2006.01) A01N 43/84 (2006.01) A01N 47/14 (2006.01) A01N 47/32 (2006.01) A01N 47/34 (2006.01)

Patent

CA 2421226

It has now been found that the use of: A) a N-sulfonyl-valine-amide of formula (I) wherein R1 is hydrogen, C1-4alkyl, C3-6cycloalkyl or halophenyl, and R2 is C1-4alkyl; in association with B) either compounds of formulae II to XII is particularly effective in combating or preventing fungal diseases of crop plants. These combinations exhibit synergistic fungicidal activity. Prominent examples for the compounds of formulae II to XII are: acibenzolar-S-methyl, azoxystrobin, chlorothalonil, cymoxanil, dimethomorph, fluazinam, fludioxonil, imazalil, S-imazalil, mancozeb, metalaxyl, metalaxyl-M, picoxystrobin, pyraclostrobin (BAS 500F) and trifloxystrobin.

Selon l'invention, on a découvert que l'utilisation de: A) un N-sulfonyl-valine de formule I dans laquelle R¿1? désigne un hydrogène, un alkyle en C¿1-4?, un cycloaklyle ou un halophényle en C¿3-6? et R¿2? désigne un alkyle en C¿1-4?; conjointement avec B) un composé quelconque parmi des composés de formules II à XII, est particulièrement efficace dans la lutte ou la prévention des maladies fongiques des plantes cultivées. Ces combinaisons présentent une activité fongique synergique. On peut citer comme exemples éminents des composés de formules II à XII: acibenzolar-S-méthyl, azoxystrobine, chlorothalonil, cymoxanile, diméthomorphe, fluazinam, fludioxonil, imazalile, S-imazalile, mancozèbe, métalaxyl, métalaxyl-M, picoxystrobine, pyraclostrobine (BAS 500F) et trifloxystrobine.

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