A composition, characterized in that it comprises 1,2-dibromo-2,4-dicyanobutane (DBDCB) and at least one organic acid and/or the derivatives thereof.

A composition, characterized in that it comprises 1,2-dibromo-2,4-dicyanobutane (DBDCB) and at least one organic acid and/or the derivatives thereof.

The present invention provides a plant disease control composition that has excellent plant disease controlling effects and that contains a compound represented by formula (1) and an azole compound represented by formula (2) [wherein R.sup.1 represents a C1-6 alkyl group, R.sup.2 represents a hydrogen atom or the like, A represents a nitrogen atom or the like, Y.sup.1 represents a halogen atom, and n represents 0 or 1]. The present invention also provides a plant disease control method that includes a step for treating a plant or the soil in which a plant is being cultivated with an effective dose of the compound represented by formula (1) and of the azole compound represented by formula (2).

##STR00001##

The present invention provides a plant disease control composition that has excellent plant disease controlling effects and that contains a compound represented by formula (1) and an azole compound represented by formula (2) [wherein R.sup.1 represents a C1-6 alkyl group, R.sup.2 represents a hydrogen atom or the like, A represents a nitrogen atom or the like, Y.sup.1 represents a halogen atom, and n represents 0 or 1]. The present invention also provides a plant disease control method that includes a step for treating a plant or the soil in which a plant is being cultivated with an effective dose of the compound represented by formula (1) and of the azole compound represented by formula (2).

##STR00001##

The present invention is directed to new uses of the herbicidal active compound 2-(2,4-dichlorophenyl)methyl-4,4-dimethyl-3-isoxazolidone (compound I) as foliar herbicide. Furthermore, the present invention is directed to combinations comprising active compound 2-(2,4-dichlorophenyl)methyl-4,4-dimethyl-3-isoxazolidone (compound I) and to a method for controlling undesired weeds by applying the herbicidal active compound 2-(2,4-dichlorophenyl)methyl-4,4-dimethyl-3-isoxazolidone (compound I) or combinations comprising compound I to weeds or to the area in which the weeds grow after emergence of the crop.

The present invention addresses the problem of providing an agricultural/horticultural fungicidal composition with excellent fungicidal activity and without any concern about chemical damage to useful plants. The present invention provides an agricultural/horticultural fungicidal composition comprising component (I) and component (II) as active ingredients, wherein the component (I) is a compound of formula (I) and the component (II) is, for example, a microbicide other than the component (I).

##STR00001##

The present invention addresses the problem of providing an agricultural/horticultural fungicidal composition with excellent fungicidal activity and without any concern about chemical damage to useful plants. The present invention provides an agricultural/horticultural fungicidal composition comprising component (I) and component (II) as active ingredients, wherein the component (I) is a compound of formula (I) and the component (II) is, for example, a microbicide other than the component (I).

##STR00001##

The present invention addresses the problem of providing an agricultural/horticultural fungicidal composition with excellent fungicidal activity and without any concern about chemical damage to useful plants. The present invention provides an agricultural/horticultural fungicidal composition comprising component (I) and component (II) as active ingredients, wherein the component (I) is a compound of formula (I) and the component (II) is, for example, a microbicide other than the component (I).

##STR00001##

The present invention provides a solution and related composition of matter and methods which synergistically improves a fungicide's effectiveness in resisting undesired fungal growth. The invention also provides wood and wood products which have been treated with the solution, method or compound. The solution may contain coformulants which do not alter the performance of the basic technology.

The present invention provides a solution and related composition of matter and methods which synergistically improves a fungicide's effectiveness in resisting undesired fungal growth. The invention also provides wood and wood products which have been treated with the solution, method or compound. The solution may contain coformulants which do not alter the performance of the basic technology.