Method of combating harmful fungi

Details Method of combating harmful fungi Method of combating harmful fungi

A - Human Necessities

01

N

A01N 37/00 (2006.01) A01N 35/00 (2006.01) A01N 37/50 (2006.01) A01N 43/00 (2006.01) A01N 47/20 (2006.01) A01N 61/00 (2006.01)

Patent

CA 2195577

The invention concerns a method of combating harmful fungi which is characterized in that the fungi, their biosphere or the materials, plants, seeds, soils, surfaces or areas to be protected from fungal infection are treated simultaneously together or separately or successively with an active substance I which inhibits the respiration of cytochrome complex III and a) with an active substance of formula IIA, R1-CO--NR2-OR3, in which the substituents have the following meanings: R1 is hydrogen, alkyl, alkenyl or alkynyl, cycloalkyl or cycloalkenyl, optionally substituted aryl, hetaryl, heterocyclyl, arylcarbonyl or hetarylcarbonyl, R2, R3 designate hydrogen, alkyl or aryl, or b) with an active substance of formula IIB, R a-CO-NR b-R c, in which the substituents have the following meanings: R a is optionally substituted phenyl, furyl, dihydropyranyl, oxathi-inyl, oxathi-inyl dioxide, pyridyl or thiazolyl; R b is hydrogen, alkyl or alkoxy; R c is optionally substituted phenyl or cyclohexyl, and mixtures suitable therefor.

Procédé pour lutter contre les champigons parasites, caractérisé en ce que les champignons, leur biotope ou les matériaux, végétaux, graines, sols, surfaces ou espaces à protéger contre l'attaque sont traités simultanément, conjointement ou séparément, ou successivement, par une matière active (I) inhibant l'inhalation du complexe cytochrome (III) et a) par une matière active de formule (IIA): R<1>-CO-NR<2>-OR<3>, dans laquelle les substituants ont les significations suivantes: R<1>: hydrogène, alkyle, alcényle ou alcynyle, cycloalkyle, ou cycloalcényle; aryle, hétaryle, hétérocyclyle, arylcarbonyle, ou hétarylcarbonyle éventuellement substitué, R<2>, R<3>: hydrogène, alkyle ou aryle, ou b) par une matière active de formule (IIB): R<a>-CO-NR<b>-R<c>, dans laquelle les substituants ont les significations suivantes: R<a>: phényle, furyle, dihydropyranyle, oxathi-inyle, oxathi-inyle-dioxyde, pyridyle ou thiazolyl éventuellement substitué; R<b>: hyrdogène, alkyle ou alcoxy; R<c>: phényle ou cyclohexyle éventuellement substitué, ainsi que par des mélanges de ces composés appropriés pour lutter contre une telle attaque.

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