The present invention belongs to the technical field of pesticides, and in particular relates to a pyridazinol compound, a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The pyridazinol compound is as represented by general formula I,

##STR00001##

wherein X represents

##STR00002##

and the ring is an unsubstituted or substituted aryl or unsubstituted or substituted heterocyclyl containing a carbon atom at the 1-position; Y represents haloalkyl; and Z represents halogen, cyano, hydroxy, etc. The derivative refers to an agriculturally acceptable derivative of the hydroxyl group at the 4-position of the pyridazine ring in the general formula I, including a salt, an ester, an oxime, a hydroxylamine and an ether derivative, etc. The compound, the derivative thereof and the composition thereof have good herbicidal activity and crop safety.

The present invention provides a composition having an excellent control efficacy against plant diseases, and a method for controlling plant diseases using the same composition, and the composition comprises a compound represented by formula (I) [wherein each symbol represents the definition described in the specification], and one or more compounds selected from a mitochondrial electron transport chain complex III inhibitor, a mitochondrial electron transport chain complex II inhibitor, and a sterol biosynthesis inhibitor.

##STR00001##

The present invention provides a composition having an excellent control efficacy against plant diseases, and a method for controlling plant diseases using the same composition, and the composition comprises a compound represented by formula (I) [wherein each symbol represents the definition described in the specification], and one or more compounds selected from a mitochondrial electron transport chain complex III inhibitor, a mitochondrial electron transport chain complex II inhibitor, and a sterol biosynthesis inhibitor.

##STR00001##

The present invention provides a composition having an excellent control efficacy against plant diseases, and a method for controlling plant diseases using the same composition, and the composition comprises a compound represented by formula (I) [wherein each symbol represents the definition described in the specification], and one or more compounds selected from a mitochondrial electron transport chain complex III inhibitor, a mitochondrial electron transport chain complex II inhibitor, and a sterol biosynthesis inhibitor.

##STR00001##

The present invention provides a composition having an excellent control efficacy against plant diseases, and a method for controlling plant diseases using the same composition, and the composition comprises a compound represented by formula (I) [wherein each symbol represents the definition described in the specification], and one or more compounds selected from a mitochondrial electron transport chain complex III inhibitor, a mitochondrial electron transport chain complex II inhibitor, and a sterol biosynthesis inhibitor.

##STR00001##

The invention belongs to the technical field of pesticides, and specifically relates to a 4-pyridinyl formamide compound or a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The 4-pyridinyl formamide compound is as represented by formula (I), wherein, X and Y each independently represent nitro, halogen, cyano, formyl, thiocyano, mercapto, etc.; and M represents an unsubstituted or substituted structure (II). The compound, and the derivative and the composition thereof have excellent herbicidal activity and a higher crop safety, and establish good selectivity, especially for key crops such as wheat and rice.

##STR00001##

The present invention relates to fungicidal mixtures comprising, as active components, Mefentrifluconazole and at least one of the following compounds: (4-phenoxyphenyl)methyl 2-amino-6-methyl-pyridine-3-carboxylate, 4-(2-bromo-4-fluoro-phenyl)-N-(2-chloro-6-fluoro-phenyl)-2,5-dimethyl-pyrazol-3-amine, 3-(difluoromethyl)-N-(7-fluoro-1,1,3-trimethyl-indan-4-yl)-1-methyl-pyrazole-4-carboxamide, 3-[(3,4-dichloroisothiazol-5-yl)methoxy]-1,2-benzothiazole 1,1-dioxide, 2-(2,4-difluorophenyl)-1,1-difluoro-3-(tetrazol-1-yl)-1-[5-[4-(2,2,2-trifluoroethoxy)phenyl]-2-pyridyl]propan-2-ol, 2-(2,4-difluorophenyl)-1,1-difluoro-3-(tetrazol-1-yl)-1-[5-[4-(trifluoromethoxy)phenyl]-2-pyridyl]propan-2-ol, 1,3-dimethyl-N-(1,1,3-trimethylindan-4-yl)pyrazole-4-carboxamide or N-[(2Z)-2-[3-chloro-5-(2-cyclopropylethynyl)-2-pyridyl]-2-isopropoxyimino-ethyl]-3-(difluoromethyl)-1-methyl-pyrazole-4-carboxamide, methods for controlling harmful fungi using such mixtures, the use of Mefentrifluconazole with the above mentioned compounds for preparing such mixtures, compositions and plant propagation material comprising such mixtures.

The present invention relates to fungicidal mixtures comprising, as active components, Mefentrifluconazole and at least one of the following compounds: (4-phenoxyphenyl)methyl 2-amino-6-methyl-pyridine-3-carboxylate, 4-(2-bromo-4-fluoro-phenyl)-N-(2-chloro-6-fluoro-phenyl)-2,5-dimethyl-pyrazol-3-amine, 3-(difluoromethyl)-N-(7-fluoro-1,1,3-trimethyl-indan-4-yl)-1-methyl-pyrazole-4-carboxamide, 3-[(3,4-dichloroisothiazol-5-yl)methoxy]-1,2-benzothiazole 1,1-dioxide, 2-(2,4-difluorophenyl)-1,1-difluoro-3-(tetrazol-1-yl)-1-[5-[4-(2,2,2-trifluoroethoxy)phenyl]-2-pyridyl]propan-2-ol, 2-(2,4-difluorophenyl)-1,1-difluoro-3-(tetrazol-1-yl)-1-[5-[4-(trifluoromethoxy)phenyl]-2-pyridyl]propan-2-ol, 1,3-dimethyl-N-(1,1,3-trimethylindan-4-yl)pyrazole-4-carboxamide or N-[(2Z)-2-[3-chloro-5-(2-cyclopropylethynyl)-2-pyridyl]-2-isopropoxyimino-ethyl]-3-(difluoromethyl)-1-methyl-pyrazole-4-carboxamide, methods for controlling harmful fungi using such mixtures, the use of Mefentrifluconazole with the above mentioned compounds for preparing such mixtures, compositions and plant propagation material comprising such mixtures.

The present invention relates to agricultural methods and the use of an insecticidal active carboxamide derivative in seed treatment and soil application methods.

The insecticidal carboxamide derivative is highly suitable alone or in combination with other active agricultural ingredients for controlling animal pests such as insects and/or spider mites and/or nematodes by treating the soil/growth substrate by drenching or drip application or dipping or soil injection.

The present invention relates to agricultural methods and the use of an insecticidal active carboxamide derivative in seed treatment and soil application methods.

The insecticidal carboxamide derivative is highly suitable alone or in combination with other active agricultural ingredients for controlling animal pests such as insects and/or spider mites and/or nematodes by treating the soil/growth substrate by drenching or drip application or dipping or soil injection.