A composition for controlling plant diseases comprising a tetrazolinone compound represented by a formula (1): ##STR00001##
wherein n is an integer of any one of 0 to 5; R.sup.1 represents a halogen atom and the like; R.sup.2 represents a C1-C3 alkyl group and the like; the R.sup.1 or R.sup.2 can have independently halogen atom(s) in the alkyl moiety; with the proviso that when n is an integer of 2 or more, two or more of the R.sup.1 may be different from each other, and an azole compound, preferably the composition for controlling plant diseases wherein a weight ratio of the tetrazolinone compound to the azole compound is that of the tetrazolinone compound/the azole compound=0.1/1 to 10/1, shows an excellent controlling efficacy on plant diseases.

A composition for controlling plant diseases comprising a tetrazolinone compound represented by a formula (1): ##STR00001##
wherein n is an integer of any one of 0 to 5; R.sup.1 represents a halogen atom and the like; R.sup.2 represents a C1-C3 alkyl group and the like; the R.sup.1 or R.sup.2 can have independently halogen atom(s) in the alkyl moiety; with the proviso that when n is an integer of 2 or more, two or more of the R.sup.1 may be different from each other, and an azole compound, preferably the composition for controlling plant diseases wherein a weight ratio of the tetrazolinone compound to the azole compound is that of the tetrazolinone compound/the azole compound=0.1/1 to 10/1, shows an excellent controlling efficacy on plant diseases.

A composition for controlling plant diseases comprising a tetrazolinone compound represented by a formula (1): ##STR00001##
wherein n is an integer of any one of 0 to 5; R.sup.1 represents a halogen atom and the like; R.sup.2 represents a C1-C3 alkyl group and the like; the R.sup.1 or R.sup.2 can have independently halogen atom(s) in the alkyl moiety; with the proviso that when n is an integer of 2 or more, two or more of the R.sup.1 may be different from each other, and an carboxamide compound, preferably the composition for controlling plant diseases wherein a weight ratio of the tetrazolinone compound to the carboxamide compound is that of the tetrazolinone compound/the carboxamide compound=0.1/1 to 10/1, shows an excellent controlling efficacy on plant diseases.

A composition for controlling plant diseases comprising a tetrazolinone compound represented by a formula (1): ##STR00001##
wherein n is an integer of any one of 0 to 5; R.sup.1 represents a halogen atom and the like; R.sup.2 represents a C1-C3 alkyl group and the like; the R.sup.1 or R.sup.2 can have independently halogen atom(s) in the alkyl moiety; with the proviso that when n is an integer of 2 or more, two or more of the R.sup.1 may be different from each other, and an carboxamide compound, preferably the composition for controlling plant diseases wherein a weight ratio of the tetrazolinone compound to the carboxamide compound is that of the tetrazolinone compound/the carboxamide compound=0.1/1 to 10/1, shows an excellent controlling efficacy on plant diseases.

A composition for controlling plant diseases comprising a tetrazolinone compound represented by a formula (1): ##STR00001##
wherein n is an integer of any one of 0 to 5; R.sup.1 represents a halogen atom and the like; R.sup.2 represents a C1-C3 alkyl group and the like; the R.sup.1 or R.sup.2 can have independently halogen atom(s) in the alkyl moiety; with the proviso that when n is an integer of 2 or more, two or more of the R.sup.1 may be different from each other, and an carboxamide compound, preferably the composition for controlling plant diseases wherein a weight ratio of the tetrazolinone compound to the carboxamide compound is that of the tetrazolinone compound/the carboxamide compound=0.1/1 to 10/1, shows an excellent controlling efficacy on plant diseases.

A tetrazolinone compound represented by formula (1): ##STR00001##
wherein Q represents a divalent 5-membered aromatic heterocyclic group optionally having one or more atoms or groups selected from Group P.sup.2; A represents a 5- to 10-membered monocyclic or fused ring heterocyclic group optionally having one or more atoms or groups selected from Group P.sup.1; R.sup.1 and R.sup.2 each represents a hydrogen atom, etc.; R.sup.3 represents a C1-C6 alkyl group optionally having one or more halogen atoms, etc.; R.sup.4, R.sup.5, and R.sup.6 each represents a hydrogen atom, etc.; and X represents an oxygen atom or a sulfur atom, has excellent control activity against pests.

A tetrazolinone compound represented by formula (1): ##STR00001##
wherein Q represents a divalent 5-membered aromatic heterocyclic group optionally having one or more atoms or groups selected from Group P.sup.2; A represents a 5- to 10-membered monocyclic or fused ring heterocyclic group optionally having one or more atoms or groups selected from Group P.sup.1; R.sup.1 and R.sup.2 each represents a hydrogen atom, etc.; R.sup.3 represents a C1-C6 alkyl group optionally having one or more halogen atoms, etc.; R.sup.4, R.sup.5, and R.sup.6 each represents a hydrogen atom, etc.; and X represents an oxygen atom or a sulfur atom, has excellent control activity against pests.

The present invention relates to the use of use of a tetrazolinones for combating phytopathogenic fungi on soybean, such fungi containing a G143A mutation in the mitochondrial cytochrome b gene conferring resistance to Qo inhibitors.

The present invention relates to the use of use of a tetrazolinones for combating phytopathogenic fungi on soybean, such fungi containing a G143A mutation in the mitochondrial cytochrome b gene conferring resistance to Qo inhibitors.

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