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.

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.

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.

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.

The present invention provides a composition having excellent control efficacy against plant diseases and a method for controlling plant diseases. A composition for controlling a plant disease comprising a compound represented by formula (I)

##STR00001##

[wherein each symbol represents the same definition as described in the present description] and one or more mitochondrial electron transport system complex II inhibitor(s) selected from Group B has excellent control effects on plant diseases;
Group B: a group consisting of fluxapyroxad, benzovindiflupyr, fluindapyr, pydiflumetofen, 3-(difluoromethyl)-N-(2,3-dihydro-1,1,3-trimethyl-1H-inden-4-yl)-1-methyl-1H-pyrazole-4-carboxamide, a compound represented by formula (1), a compound represented by formula (2), and a compound represented by formula (3)

##STR00002##

The present invention provides a composition having excellent control efficacy against plant diseases and a method for controlling plant diseases. A composition for controlling a plant disease comprising a compound represented by formula (I)

##STR00001##

[wherein each symbol represents the same definition as described in the present description] and one or more mitochondrial electron transport system complex II inhibitor(s) selected from Group B has excellent control effects on plant diseases;
Group B: a group consisting of fluxapyroxad, benzovindiflupyr, fluindapyr, pydiflumetofen, 3-(difluoromethyl)-N-(2,3-dihydro-1,1,3-trimethyl-1H-inden-4-yl)-1-methyl-1H-pyrazole-4-carboxamide, a compound represented by formula (1), a compound represented by formula (2), and a compound represented by formula (3)

##STR00002##

The present invention provides a composition having excellent control efficacy against plant diseases and a method for controlling plant diseases. A composition for controlling a plant disease comprising a compound represented by formula (I)

##STR00001##

[wherein each symbol represents the same definition as described in the present description] and one or more mitochondrial electron transport system complex II inhibitor(s) selected from Group B has excellent control effects on plant diseases;
Group B: a group consisting of fluxapyroxad, benzovindiflupyr, fluindapyr, pydiflumetofen, 3-(difluoromethyl)-N-(2,3-dihydro-1,1,3-trimethyl-1H-inden-4-yl)-1-methyl-1H-pyrazole-4-carboxamide, a compound represented by formula (1), a compound represented by formula (2), and a compound represented by formula (3)

##STR00002##

The present invention provides a method for controlling a soybean rust fungus having an amino acid substitution of F129L on mitochondrial cytochrome b protein. According to the present invention, a compound represented by formula (I) [wherein R.sup.1 represents a C1-C3 chain hydrocarbon group and so on, n is 0, 1, 2 or 3, and when is 2 or 3, a plural of R.sup.2 may be identical to or different from each other, and R.sup.2 represents a C1-C3 chain hydrocarbon group and so on, Q represents a group represented by Q1 (where • represents a binding site to a benzene ring) and so on, L.sup.1 represents CH.sub.2 or an oxygen atom, and E represents a C1-C6 alkyl group and so on.] can use to control a soybean rust fungus having an amino acid substitution of F129L on mitochondrial cytochrome b protein.

##STR00001##

##STR00002##

##STR00003##

##STR00004##

The present invention provides a method for controlling a soybean rust fungus having an amino acid substitution of F129L on mitochondrial cytochrome b protein. According to the present invention, a compound represented by formula (I) [wherein R.sup.1 represents a C1-C3 chain hydrocarbon group and so on, n is 0, 1, 2 or 3, and when is 2 or 3, a plural of R.sup.2 may be identical to or different from each other, and R.sup.2 represents a C1-C3 chain hydrocarbon group and so on, Q represents a group represented by Q1 (where • represents a binding site to a benzene ring) and so on, L.sup.1 represents CH.sub.2 or an oxygen atom, and E represents a C1-C6 alkyl group and so on.] can use to control a soybean rust fungus having an amino acid substitution of F129L on mitochondrial cytochrome b protein.

##STR00001##

##STR00002##

##STR00003##

##STR00004##

The present invention provides a composition comprising (A) a compound of formula (I): ##STR00001##
wherein R.sup.1 is methyl or methoxy, R.sup.2 is hydrogen, methyl or ethoxy and A is a substituted heteroaryl group, or an N-oxide or salt form thereof, and (B) one or more further herbicides; as well as the use of such compositions in controlling plants or inhibiting plant growth.