Compositions and methods for increasing the efficacy of pesticidal compositions are described herein, including synergistic pesticidal complex compositions and methods for delivery of pesticidal active ingredients. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of fungicides. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of nematicides. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of insecticides. Methods for enhancing the activity pesticidal active ingredients in pesticidal complex compositions in use are also described.

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Compositions and methods for increasing the efficacy of pesticidal compositions are described herein, including synergistic pesticidal complex compositions and methods for delivery of pesticidal active ingredients. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of fungicides. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of nematicides. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of insecticides. Methods for enhancing the activity pesticidal active ingredients in pesticidal complex compositions in use are also described.

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Compositions and methods for increasing the efficacy of pesticidal compositions are described herein, including synergistic pesticidal complex compositions and methods for delivery of pesticidal active ingredients. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of fungicides. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of nematicides. Some pesticidal compositions and methods as described are directed to compositions and methods for increasing the efficacy of insecticides. Methods for enhancing the activity pesticidal active ingredients in pesticidal complex compositions in use are also described.

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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 pesticide composition, preparation method and use thereof; the composition having a synergism effect, including effective components A and B, wherein the active component A is thidiazuron, the active component B is polyglutamic acid, and the weight ratio of the component A to the component B is 1:(0.01-200).

A pesticide composition, preparation method and use thereof; the composition having a synergism effect, including effective components A and B, wherein the active component A is thidiazuron, the active component B is polyglutamic acid, and the weight ratio of the component A to the component B is 1:(0.01-200).

It is an object of the present invention to provide an agricultural and horticultural fungicide composition that exhibits an excellent control effect on plant diseases even in a small dose and causes no fear of phytotoxicity to useful plants. The agricultural and horticultural fungicide composition of the present invention comprises at least one compound A selected from the group consisting of a compound of formula (1) {wherein each X independently is a halogeno group or a C1-6 alkyl group; n is the number of X and is any integer of 0 to 5; X′ is a halogeno group; R.sup.1, R.sup.2 and R.sup.3 each independently are a C1-6 alkyl group, a C1-6 alkoxy group or a hydroxyl group; and A.sup.1 and A.sup.2 each independently are a nitrogen atom or a carbon atom}, and the like, and at least one compound B selected from the group consisting of silthiofam, an antibiotic, propineb and chinomethionat. ##STR00001##

It is an object of the present invention to provide an agricultural and horticultural fungicide composition that exhibits an excellent control effect on plant diseases even in a small dose and causes no fear of phytotoxicity to useful plants. The agricultural and horticultural fungicide composition of the present invention comprises at least one compound A selected from the group consisting of a compound of formula (1) {wherein each X independently is a halogeno group or a C1-6 alkyl group; n is the number of X and is any integer of 0 to 5; X′ is a halogeno group; R.sup.1, R.sup.2 and R.sup.3 each independently are a C1-6 alkyl group, a C1-6 alkoxy group or a hydroxyl group; and A.sup.1 and A.sup.2 each independently are a nitrogen atom or a carbon atom}, and the like, and at least one compound B selected from the group consisting of silthiofam, an antibiotic, propineb and chinomethionat. ##STR00001##