Abstract: A fungicidal composition comprising a mixture of components (A) and (B), wherein components (A) and (B) are as defined in claim 1, and use of the compositions in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.

Abstract: Intermediates for compounds of the formula (I):

Abstract: A fungicidal composition comprising a mixture of components (A) and (B), wherein component (A) defined by formula (I) is a 3,4-dihydroisoquinoline having a 1-benzimidazolyl substituent and component (B) is selected from difenoconazole, hexaconazole, azoxystrobin, fludioxonil, cyprodinil, fluazinam, isopyrazam, pyroquilon, tricyclazole, chlorothalonil, propiconazole, penconazole, fenpropimorph, fenpropidin, sulphur and Bacillus subtilis var. amyloliquefacien s Strain FZB24. The use of the composition in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.

Abstract: Compounds of the formula (I) wherein Q1, Q2, Y—X, R1, R2, R3, R4, Rb, Rc, Rd, R5, R6, R7, Ra, m and n are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: A fungicidal composition comprising a mixture of components (A) and (B), wherein components (A) and (B) are as defined in claim 1, and use of the compositions in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.

Abstract: A fungicidal composition comprising a mixture of components (A) and (B), wherein component (A) defined by formula (I) is a 3,4-dihydroisoquinoline having a 1-benzimidazolyl substituent and component (B) is selected from difenoconazole, hexaconazole, azoxystrobin, fludioxonil, cyprodinil, fluazinam, isopyrazam, pyroquilon, tricyclazole, chlorothalonil, propiconazole, penconazole, fenpropimorph, fenpropidin, sulphur and Bacillus subtilis var. amyloliquefacien s Strain FZB24. The use of the composition in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.

Abstract: Compounds of the formula (I), wherein A, Y—X, R1, R2, R3, R4, Rb, Rc, Rd, R5, R6, R7, Ra, m and n are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula (I) wherein the substituents are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula (I) wherein Q1, Q2, Y—X, R1, R2, R3, R4, Rb, Rc, Rd, R5, R6, R7, Ra, m and n are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula (I), wherein A, Y—X, R1, R2, R3, R4, Rb, Rc, Rd, R5, R6, R7, Ra, m and n are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula (I) wherein the substituents are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula (I), wherein Y—X, R1, R2, R3, R4, R5, R6, R7, R8, A1, A2, A3, Ra and n areas defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula (I), wherein Y—X, R1, R2, R3, R4, R5, R6, R7, R8, A1, A2, A3, Ra and n areas defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula I wherein Y—X, R1, R2, R3, R4, R5, R6, R7, R8, A1, A2, A3, Ra and n are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: Compounds of the formula I wherein Y—X, R1, R2, R3, R4, R5, R6, R7, R8, A1, A2, A3, Ra and n are as defined in claim 1. Furthermore, the present invention relates to agrochemical compositions which comprise compounds of formula (I), to preparation of these compositions, and to the use of the compounds or compositions in agriculture or horticulture for combating, preventing or controlling infestation of plants, harvested food crops, seeds or non-living materials by phytopathogenic microorganisms, in particular fungi.

Abstract: The present invention relates to novel pyridazine derivatives of formula (I) wherein R1 is methyl or ethyl; R2 is H or chloro; R3 is fluoro or chloro; R4 is fluoro or methoxy; and R5 is chloro or methoxy or an agrochemically usable salt from thereof, as active ingredients which have microbiodidal activity, in particular fungicidal activity.

Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts and all stereoisomers and tautomeric forms of the compounds of formula I can be used as agrochemical active ingredients and can be prepared in a manner known per se.

Abstract: The present invention provides compounds of formula (I) wherein A1, A2, R1, D1, D2, Y3 and X are as defined in the claims. The invention further relates to compositions which comprise these compounds and to their use in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.

Abstract: Compounds of the general formula (I) wherein the substituents are as defined in claim 1, are useful as fungicides.

Abstract: Compounds of formula (I), wherein the substituents are as defined in claim (1), and the agrochemically acceptable salts and all stereoisomers and tautomeric forms of the compounds of formula (I) can be used as agrochemical active ingredients and can be prepared in a manner known per se.