A composition including a compound of formula (I)

##STR00001##

and one or more mitochondrial electron transport system complex III inhibitor(s) selected from the group consisting of azoxystrobin, coumoxystrobin, enoxastrobin, flufenoxystrobin, picoxystrobin, pyraoxystrobin, pyraclostrobin, mandestrobin, pyrametostrobin, triclopyricarb, kresoxim-methyl, trifloxystrobin, dimoxystrobin, fenaminstrobin, metominostrobin, orysastrobin, famoxadone, fluoxastrobin, fenamidone, pyribencarb, metyltetraprole, cyazofamid, amisulbrom, fenpicoxamid, and florylpicoxamid.

A composition including a compound of formula (I)

##STR00001##

and one or more mitochondrial electron transport system complex III inhibitor(s) selected from the group consisting of azoxystrobin, coumoxystrobin, enoxastrobin, flufenoxystrobin, picoxystrobin, pyraoxystrobin, pyraclostrobin, mandestrobin, pyrametostrobin, triclopyricarb, kresoxim-methyl, trifloxystrobin, dimoxystrobin, fenaminstrobin, metominostrobin, orysastrobin, famoxadone, fluoxastrobin, fenamidone, pyribencarb, metyltetraprole, cyazofamid, amisulbrom, fenpicoxamid, and florylpicoxamid.

A compound represented by a formula (I) or a salt thereof; and a herbicide containing at least one selected from the group consisting of the compound and a salt thereof as an active ingredient.

##STR00001##

wherein R.sup.a and R.sup.b each independently represent a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, or the like; X.sup.1 and X.sup.2 each independently represent a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, or the like; X.sup.3 represents a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, or a halogeno group; X.sup.4 represents a hydrogen atom or a halogeno group; R.sup.2 represents a substituted or unsubstituted C.sub.1-6 alkyl group, or the like; Q represents a group represented by a formula (Q1), or the like; and in the formula (Q1), an asterisk (*) indicates a bonding position with an R.sup.a-substituted nitrogen atom, and each R.sup.1 independently represents a hydrogen atom or a substituted or unsubstituted C.sub.1-6 alkyl group.

A compound represented by a formula (I) or a salt thereof; and a herbicide containing at least one selected from the group consisting of the compound and a salt thereof as an active ingredient.

##STR00001##

wherein R.sup.a and R.sup.b each independently represent a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, or the like; X.sup.1 and X.sup.2 each independently represent a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, or the like; X.sup.3 represents a hydrogen atom, a substituted or unsubstituted C.sub.1-6 alkyl group, or a halogeno group; X.sup.4 represents a hydrogen atom or a halogeno group; R.sup.2 represents a substituted or unsubstituted C.sub.1-6 alkyl group, or the like; Q represents a group represented by a formula (Q1), or the like; and in the formula (Q1), an asterisk (*) indicates a bonding position with an R.sup.a-substituted nitrogen atom, and each R.sup.1 independently represents a hydrogen atom or a substituted or unsubstituted C.sub.1-6 alkyl group.

The present invention relates to compounds which are of use in the field of agriculture as fungicides.

The present invention relates to compounds which are of use in the field of agriculture as fungicides.

The present invention provides novel inhibitors of cystathionin gamma synthase (CGS), their use as selective and non-selective herbicides, agricultural and non-agricultural herbicides, herbicides in integrated pest management, herbicides for gardening, clearing waste ground, clearing industrial or constructions sites, clearing railways and railway embankments, pesticide, fungicide, agricultural plant stimulant or antimicrobial agent. Also provided is a method for the control of undesired vegetation or clearing areas from the undesired vegetation comprising applying to the locus of said undesired vegetation, to the undesired plants or to a habitat thereof, a herbicidally effective amount of the compound of the present invention.

The present invention provides novel inhibitors of cystathionin gamma synthase (CGS), their use as selective and non-selective herbicides, agricultural and non-agricultural herbicides, herbicides in integrated pest management, herbicides for gardening, clearing waste ground, clearing industrial or constructions sites, clearing railways and railway embankments, pesticide, fungicide, agricultural plant stimulant or antimicrobial agent. Also provided is a method for the control of undesired vegetation or clearing areas from the undesired vegetation comprising applying to the locus of said undesired vegetation, to the undesired plants or to a habitat thereof, a herbicidally effective amount of the compound of the present invention.

The present invention relates to active compound combinations comprising as compound (A) methyl 2-[2-chloro-4-(4-chlorophenoxy)phenyl]-2-hydroxy-3-(1,2,4-triazol-1-yl)propanoate, 2-[2-chloro-4-(4-chloro-phenoxy)phenyl]-2-hydroxy-3-(1,2,4-triazol-1-yl)propanoic acid or a mixture thereof, at least one fungicide (B) selected from the group of inhibitors of the respiratory chain at complex I or II and at least one further fungicide (C) selected from the group of specified inhibitors of the respiratory chain at complex III, to compositions comprising such compound combination, and to the use thereof as biologically active agents, especially for control of harmful microorganisms in crop protection and in the protection of industrial materials.

The present invention relates to active compound combinations comprising as compound (A) methyl 2-[2-chloro-4-(4-chlorophenoxy)phenyl]-2-hydroxy-3-(1,2,4-triazol-1-yl)propanoate, 2-[2-chloro-4-(4-chloro-phenoxy)phenyl]-2-hydroxy-3-(1,2,4-triazol-1-yl)propanoic acid or a mixture thereof, at least one fungicide (B) selected from the group of inhibitors of the respiratory chain at complex I or II and at least one further fungicide (C) selected from the group of specified inhibitors of the respiratory chain at complex III, to compositions comprising such compound combination, and to the use thereof as biologically active agents, especially for control of harmful microorganisms in crop protection and in the protection of industrial materials.