JPH11302111A - Composition of plant disease injury controlling agent - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a plant protecting composition having synergistic effects on infection of disease injuries and capable of reducing the amount of a chemical used by including a specific substituted thiophene derivative, a dicarboximide-based compound, etc., therein. SOLUTION: This composition is a plant protecting composition containing two or more kinds of active ingredients. The composition is obtained by formulating a component I of a substituted thophene derivative represented by formula I [Q is H, methyl, trifluoromethyl or the like; R is a 1-12C (halogeno)alkyl, a (substituted)phenyl or the like; Ar is a group represented by formula II (R1 is trifluoromethyl, methyl or the like; R2 is H, methyl, amino or the like) or the like], e.g. N- 2-(1,3-dimethylbutyl)-3-thienyl}-2,4-dimethylthiazole-5-carbxamide with a component II of a compound selected from a dicarboximide-based compound such as procymidone, a benzimidazole-based compound such as thiophanate methyl and a carbamate-based compound such as diethofencarb in an amount of preferably 0.02-5 pts.wt. based on 1 pt.wt. of the substituted thiophene derivative.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION The present invention relates to a plant protection composition having at least two active ingredients and having a synergistically enhanced effect on disease infection. More specifically,
One of the active ingredients is a substituted thiophene derivative showing a plant disease controlling action, and the other is a dicarboximide compound,
The present invention relates to a fungicidal composition containing at least one compound selected from a benzimidazole compound and a carbamate compound.

[0002]

2. Description of the Related Art A disinfectant having a selective action developed in recent years shows a stable effect at a low dose unlike a non-selective disinfectant which has been used up to that time. May appear, resulting in reduced efficacy. As a countermeasure, mixing with a prophylactic agent, mixing with a drug having a different mechanism of action, or limiting the number of times the drug itself is used, and the development of a new drug is expected.

[0003] Japanese Patent Application Laid-Open No. 9-235282 (EP-A-737682) discloses that a new substituted thiophene derivative represented by the component I has a bactericidal effect against various diseases. . This compound has a prophylactic and therapeutic control effect against infection of various diseases including gray mold and powdery mildew.

On the other hand, component II is a known compound selected from dicarboximide compounds, benzimidazole compounds, and carbamate compounds.
["Product name (English name)", page], and the page means [The Pesticide Manual (The Pesticide Manual).
Manual), 11th edition, The BritishC
rop Protection Council, 19
1997]. A. Dicarboximide compounds 1. Procymidone [“Sumilex
x) ", pp. 1003-1004] 2. Vinclozolin [" Ronilan "
n) ", pp. 1267-1269] 3. Iprodione [" Rovral ",
724 to 726]. 3. Benzimidazole compounds Thiophanate methyl [“Topzine M (To
psin M) ", pp. 1201-1203] 5. Benomyl [" Benlate ", pp. 100-102] 6. Carbendazim [" Babistin "
n) ", pp. 182-184] 7. Thiabendazole [" Mertec "
t) ", pages 1183 to 1185] C. Carbamate-based compounds 8. Dietofencarb [" Sumic
o) ", pp. 386-387] These fungicides exhibit an excellent effect on gray mold, but when used repeatedly, drug-resistant bacteria appear, resulting in a problem of reduced efficacy. is there.

[0005] For example, benzimidazole fungicides have a broad germicidal spectrum and show an excellent effect against gray mold, but resistant bacteria emerged in the 1970's, causing a significant decrease in efficacy. . As a substitute for this, a dicarboximide-based bactericide has attracted attention, but in the 1980's, resistant bacteria have emerged even for a dicarboximide-based drug. Further, in the 1990's, dietofencarb, which is effective against benzimidazole-resistant bacteria, was developed and used as a single agent or as a mixture. Currently, resistant bacteria against this drug have also been reported.
Control measures against gray mold resistant bacteria have become a major problem not only in Japan but also worldwide.

[0006]

Accordingly, the present invention provides at least two types of thiophene derivatives of component I and one of dicarboximide compounds, benzimidazole compounds and carbamate compounds of component II. An object of the present invention is to provide a composition for controlling plant diseases which contains an active ingredient and has a synergistically enhanced action.

[0007]

The present inventors have conducted various studies to solve the above-mentioned problems. As a result, surprisingly, among the dicarboxyimide-based compounds, benzimidazole-based compounds, and carbamate-based compounds of Component II, A composition comprising a mixture of at least one component and one of the thiophene derivatives of component I shows an enhanced synergistic effect on the infection of a wide range of plant diseases, in particular diseases such as gray mold, and therefore the solution of the above-mentioned problems The present invention was found to be satisfactory, and the present invention was completed.

[0008] That is, the present invention is a plant protection composition having at least two kinds of active ingredients and having a synergistic effect against disease infection.

[0009]

Embedded image Wherein Q is a hydrogen atom, a methyl group, a trifluoromethyl group, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a methoxy group, a methylthio group, a methylsulfoxy group, a methylsulfonyl group, a cyano group, an acetyl group, R represents a linear or branched alkyl group having 1 to 12 carbon atoms, a nitro group, an alkoxycarbonyl group or an amino group;
2 straight-chain or branched halogenoalkyl groups, having 2 to 2 carbon atoms
10 linear or branched alkenyl groups, having 2 to 10 carbon atoms
A straight-chain or branched halogenoalkenyl group having 2 to 2 carbon atoms
An alkylthioalkyl group having 10 carbon atoms, an alkyloxyalkyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms,
A halogeno-substituted cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms, or 1 to 3
A phenyl group which may be substituted by three substituents, wherein the substituent of the phenyl group is a hydrogen atom, having 1 to 4 carbon atoms;
Alkyl group, alkenyl group having 2 to 4 carbon atoms, 2 carbon atoms
Alkynyl group of 4 to 4, cycloalkyl group of 3 to 6 carbon atoms, alkoxy group of 1 to 4 carbon atoms, halogenoalkoxy group of 1 to 4 carbon atoms, alkylthio group of 1 to 4 carbon atoms, 1 to 4 carbon atoms Alkylsulfoxy group, alkylsulfonyl group having 1 to 4 carbon atoms, halogen atom, cyano group, acyl group having 2 to 4 carbon atoms, alkoxycarbonyl group having 2 to 4 carbon atoms, amino group, or 1 to 3 carbon atoms An amino group substituted with an alkyl group, R and -NHCOAr are adjacent to each other, and Ar is represented by the following (A1) to (A8)
(Formula 4)

[0010]

Embedded image (Wherein, R1 is a trifluoromethyl group, a difluoromethyl group, a methyl group, an ethyl group, a chlorine atom, a bromine atom or an iodine atom, and R2 is a hydrogen atom, a methyl group, a trifluoromethyl group or an amino group, n is an integer of 0 to 2)], and the component II is at least one of a dicarboximide compound, a benzimidazole compound, and a carbamate compound. And a composition containing

By using the composition of the present invention, disease can be effectively controlled with an unexpectedly small amount of the active ingredient as compared with a conventional method. In addition to the synergistic effect on gray mold, this drug is also a significant merit in that it shows an effect on powdery mildew, red rust and the like.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Among the compounds represented by Component I of the present invention, preferred are those wherein Ar is (A1) and R1 is C
F ₃ or a Me group, R 2 is a Me group; Ar is (A
2) wherein R 1 is a CF ₃ or CHF ₂ group; Ar is (A
In 3), R1 is a Me group, and R2 is a hydrogen atom or M
e group; Ar is (A4), R1 is Me group, and n is 0
Ar is (A5), R1 is a chlorine atom; Ar is (A6) or (A7); Ar is (A8), and R1 is M
e is a group, and R is represented by a linear or branched alkyl group having 4 to 8 carbon atoms, or a cycloalkyl group having 4 to 8 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms. Compound. Particularly preferred are those wherein Ar is (A1)
R1 is a CF ₃ or Me group; R2 is a Me group; Ar
A There (A2), R1 is CF ₃ or CHF ₂ group, R3 is a hydrogen atom, R is a linear or branched alkyl group having 4-8 carbon atoms or an alkyl group having 1 to 4 carbon atoms, And a compound represented by a cycloalkyl group having 4 to 8 carbon atoms which may be substituted.

The following are some specific examples of the compound represented by Component I. Compound No. 1: N- {2- (1,3-dimethylbutyl) -3-thienyl} -2,4-dimethylthiazole-
5-Carboxamide [when R is a 1,3-dimethylbutyl group and Ar is A1 (R1 = Me, R2 = Me)] Compound No. 2: N- {2- (1,3-dimethylbutyl) -3-thienyl} -3-trifluoromethyl-1-
Methylpyrazole-4-carboxylic acid amide [R is 1,3
A dimethylbutyl group, and Ar is A2 (R1 = C
F ₃ )] Compound No. 3: N- {2- (1,3-dimethylbutyl) -3-thienyl} -2-methylfuran-3-carboxylic acid amide [R is a 1,3-dimethylbutyl group Yes, A
When r is A3 (R1 = Me, R2 = H)] Compound No. 4: N- {2- (1,3-dimethylbutyl) -3-thienyl} -3-methylthiophen-2-carboxylic acid amide [R Is a 1,3-dimethylbutyl group and Ar is A4 (R1 = Me, n = 0)] Compound No. 5: N- {2- (1,3-dimethylbutyl) -3-thienyl} -2 -Chloronicotinamide
[When R is a 1,3-dimethylbutyl group and Ar is A6] The composition of the present invention is effective against the following types of plant diseases: rice blast ( Pyricularia oryzae ), herb disease
( Rhizoctonia solani ), sesame leaf blight ( Cochliobolus miya)
beanus), bakanae (Gibberella fujikuroi); wheat and barley powdery mildew (Erysiphe graminis f.sp. hordei; f.sp. tri
tici ), rust ( Puccinia striiformis ; P. graminis ;
P. recondita ; P. hordei) , leaf spot disease ( Pyrenophora gramine )
a ), Nettle spot (Pyrenophora teres ), Fusarium head blight ( Gibberella
zeae ), snow rot ( Typhula sp .; Micronectriella nivali
s), loose smut (Ustilago tritic i;. U nuda ), fishy smut (Tilletia caries), Memonbyo (Pseudocercosporella
herpotrichoides), stock rot (Rhizoctonia cerealis), scald (Rhynchosporium secalis), leaf blight (Septoria trit
ici ), Fusarium wilt ( Leptosphaeria nodorum ); Botrytis , such as kidney bean, cucumber, tomato, strawberry, grape, potato, soybean, cabbage, eggplant, lettuce
cinerea ); Grape downy mildew ( Plasmopora viticola ), rust ( Phakopsora ampelopsidis ), powdery mildew ( Uncinula
necator), sphaceloma disease (Elsinoe ampelina), ripe rot (Glom
erella cingulata ); Powdery mildew of apple ( Podosphaera)
leucotricha ), scab ( Venturia inaequalis ), spot leaf rot ( Alternaria mali ), scab ( Gymnosporangium yama)
dae ), Monilia disease ( Sclerotinia mali ), rot ( Valsa
mali ); Pear black spot ( Alternaria kikuchiana ), black scab ( Venturia nashicola ), scab ( Gymnosporangium har
aeanum ), ring spot ( Physalospora piricola ); peach rot ( Sclerotinia cinerea ), scab ( Cladosporium carpo)
philum), Phomopsis rot (Phomopsis sp);. oysters of anthracnose (Gloeosporium kaki), deciduous disease (Cercospora kaki;
Mycosphaerella nawae ), powdery mildew ( Phyllactinia ka
kikora ); downy mildew of cucumber ( Pseudoperonospora cubens
is ), powdery mildew of cucumber ( Sphaerothecafuliginea ), anthracnose ( Colletotrichum lagenarium ), vine blight ( Mycospha
erella melonis ); Tomato ring spot ( Alternaria solan)
i ), leaf mold ( Cladosporium fulvam ), plague ( Phytophtho
ra infestans ); powdery mildew of eggplant ( Erysiphe cichoraco
rum ), scab ( Mycovellosiella nattrassii ); Black spot of cruciferous vegetables ( Alternaria japonica ), white spot
( Cercosporella brassicae ); Rust on green onion ( Puccinia a
llii ), black spot ( Alternaria porri ); soybean purpura ( C
ercospora kikukuchii ), black rot ( Elsinoe glycinne)
s ), Black spot ( Diaporthe phaseololum ); Bean anthracnose ( Colletotrichum lindemuthianum ); Peanut black spot ( Mycosphaerella personatum ), Brown spot ( Cercospora )
arachidicola ); Pea powdery mildew ( Erysiphe pis
i ), downy mildew ( Peronospora pisi ); summer blight of potato ( A
lternaria solani ), black bruise ( Rhizoctonia solani ),
Phytophthora infestans ; downy mildew of broad bean ( Per
onospora viciae ), plague ( Phytophthora nicotianae );
Tea net rot ( Exobasidium reticulatum ), scab ( El
sinoe leucospila ), anthracnose ( Colletotrichum theae-si)
nensis); Tobacco scab ( Alternaria longipes ), powdery mildew ( Erysiphe cichoracearum ), anthracnose ( Colletotri
chum tabacum ), plague ( Phytophthora parasitica ); sugar beet brown spot ( Cercospora beticola ); rose scab ( D
iplocarpon rosae ), powdery mildew ( Sphaerotheca pannos)
a ), plague ( Phytophthora megasperma ); chrysanthemum spot of chrysanthemum ( S
eptoria chrysanthemi - indici ), white rust ( Puccinia ho
riana ); strawberry powdery mildew ( Sphaerotheca humuli ),
Phytophthora nicotianae (S clerotinia sclerot)
iorum ); citrus black spot ( Diaporthe citri ); carrot black leaf spot ( Alternaria dauci ) and the like. Among them, it has a synergistically enhanced effect on gray mold and the like. Such a potentiating effect was not to be expected from the sum of the effects of the individual active ingredients.

In the fungicide composition of the present invention, the mixing ratio of the substituted thiophene derivative of the component I and the dicarboximide compound, benzimidazole compound and the carbamate compound of the component II is not particularly limited. The amount of the compound of the component II was 0.0 to 1 part by weight of the compound.
It is in the range of 1 to 50 parts by weight, preferably 0.01 to 10 parts by weight, more preferably 0.02 to 5 parts by weight.

The composition may be applied directly as a mixture containing the two active ingredients, separately or simultaneously with the individual active ingredients, or applied one after the other. Furthermore,
For the mixture containing the active ingredients, the concentrated composition containing the two active ingredients may be diluted with water, or a mixture may be prepared at the time of use from the two concentrates containing the individual active ingredients, and this may be used. It may be diluted with water (tank mix method). When the composition of the present invention is used as a plant disease controlling agent, the drug substance may be used as it is for the plant to be treated, but it is generally mixed with an inert liquid carrier, a solid carrier, a surfactant,
It is used in the form of powders, wettable powders, flowables, emulsions, granules and other commonly used forms which are commonly used. If necessary for the preparation, an auxiliary agent can be added.

The carrier as used herein refers to a synthetic or natural inorganic or organic substance incorporated to assist in reaching the active ingredient to the site to be treated and to facilitate storage, transport, and handling of the active ingredient compound. Means As the carrier, any solid or liquid carrier can be used as long as it is generally used for agricultural and horticultural medicines, and it is not limited to a specific one.

Examples of the solid carrier include clays such as montmorillonite and kaolinite; inorganic substances such as diatomaceous earth, terra alba, talc, vermiculite, gypsum, calcium carbonate, silica gel, and ammonium sulfate; Plant organic substances and urea. In order to improve the physical properties, it is also possible to add a highly dispersed silicic acid or a highly dispersed absorbent polymer.

As the liquid carrier, toluene, xylene,
Aromatic hydrocarbons such as cumene; paraffinic hydrocarbons such as kerosene and mineral oil; ketones such as acetone, methyl ethyl ketone and cyclohexanone; ethers such as dioxane and diethylene glycol dimethyl ether; alcohols such as methanol, ethanol, propanol and ethylene glycol Aprotic solvents such as dimethylformamide and dimethylsulfoxide, and water.

Further, the following adjuvants can be added singly or in combination according to the purpose in consideration of the dosage form of the preparation, the application scene, and the like. As auxiliary agents,
Commonly used surfactants, binders (eg, ligninsulfonic acid, alginic acid, polyvinyl alcohol, gum arabic, sodium CMC, etc.), stabilizers (eg, phenolic compounds, thiol compounds, or higher fatty acid esters for antioxidation) Etc., a phosphate as a pH adjuster, and sometimes a light stabilizer) can be used alone or in combination as necessary. Further, depending on the case, an industrial bactericide, a bactericidal / antifungal agent or the like may be added for bactericidal / fungicidal purposes.

The adjuvant will be described in more detail. Auxiliaries include lignin sulfonate, alkylbenzene sulfonate, alkyl sulfate, polyoxyalkylene alkyl sulfate, polyoxyalkylene alkyl phosphate for the purpose of emulsification, dispersion, spreading, wetting, bonding, stabilization, etc. Anionic surfactants such as salts; polyoxyalkylene alkyl ethers, polyoxyalkylene alkylaryl ethers, polyoxyalkylene alkylamines, polyoxyalkylene alkylamides, polyoxyalkylene alkylamides, polyoxyalkylene alkylthioethers, polyoxyalkylene fatty acids Ester, glycerin fatty acid ester, sorbitan fatty acid ester, polyoxyalkylene sorbitan fatty acid ester, polyoxypropylene polyoxyethylene block polymer Nonionic surfactants; Lubricants such as calcium stearate and wax; Stabilizers such as isopropylhydrodiene phosphate; Natural or synthetic phospholipids of cephalin or lecithin series such as phosphatidylethanolamine, phosphatidylserine, phosphatidylglycerol, and lysolecithin; Methyl cellulose,
Carboxymethyl cellulose, casein, gum arabic and the like can be mentioned. However, these components are not limited to those described above.

The content of the active ingredient composition in the composition of the present invention varies depending on the form of preparation, but is usually 0.1 to 30% by weight for powders and 0.1 to 80% by weight for wettable powders.
It is 0.5 to 20% by weight for granules, 2 to 50% by weight for emulsions, 1 to 50% by weight for flowable preparations, 1 to 80% by weight for dry flowable preparations, and preferably 0.5 to 10% for powders. % By weight, 5-60% by weight for wettable powder,
5-20% by weight for emulsions, 5-50% for flowable formulations
Wt% and 5-50 wt% for dry flowable formulations
It is.

The content of the adjuvant is from 0 to 80% by weight,
The content of the carrier is an amount obtained by subtracting the content of the active ingredient compound and the content of the auxiliary from 100% by weight.

The method of applying the composition of the present invention includes seed treatment, foliage application, soil irrigation, and the like, and any application method generally used by those skilled in the art can exert sufficient effects. The application amount and application concentration vary depending on the target crop, the target disease, the degree of occurrence of the disease, the compound dosage form, the application method, various environmental conditions, and the like. However, when spraying, the active ingredient amount is 50 to 2,000 g per hectare. Is suitable, desirably from 100 to 1,000 g per hectare. When a wettable powder, a flowable or an emulsion is diluted with water and sprayed, the dilution ratio is 200 to 20,000.
A factor of 0 is appropriate, preferably a factor of 500 to 5,000. In the case of seed disinfection, the amount of the fungicide mixture used is 0.001 to 50 g, preferably 0.01 to 10 g per kg of seed.

The composition of the present invention may be used in a mixture with other pesticides such as fungicides, insecticides, acaricides, nematicides, herbicides and plant growth regulators, soil conditioners or fertilizers. However, a mixed preparation with these is also possible.

Next, the present invention will be described in more detail with reference to formulation examples and test examples. The parts in the preparation examples represent parts by weight.

[0026]

Examples Formulation Example 1 (Wettable powder) Compound No. 1:15 parts, iprodione: 30 parts, sodium ligninsulfonate: 10 parts, sodium alkylnaphthalenesulfonate: 5 parts, white carbon: 10
Parts and diatomaceous earth: 30 parts were uniformly ground and mixed to obtain a wettable powder.

Formulation Example 2 (Wettable powder) Compound No. 2: 20 parts, procymidone: 30 parts, sodium ligninsulfonate: 1 part, sodium alkylbenzenesulfonate: 2 parts, and diatomaceous earth: 47 parts are pulverized and mixed. A sum was obtained.

Formulation Example 3 (Floable Agent) Compound No. 2: 20 parts, procymidone: 30 parts, propylene glycol: 3 parts, sodium ligninsulfonate: 2 parts, dioctyl sulfosuccinate sodium salt: 1 part, and water: 44 The part was wet-pulverized with a sand grinder to obtain a flowable agent.

Formulation Example 4 (Wetting powder) Compound No. 2: 20 parts, benomyl: 30 parts, sodium ligninsulfonate: 1 part, sodium alkylbenzenesulfonate: 2 parts, and diatomaceous earth: 47 parts were pulverized and mixed. A sum was obtained.

Formulation Example 5 (Wettable powder) Compound No. 3:20 parts, thiophanate methyl: 20
, Calcium lignin sulfonate: 3 parts, sodium lauryl sulfate: 2 parts and diatomaceous earth: 55 parts were pulverized and mixed to obtain a wettable powder.

Formulation Example 6 (Flowable agent) Compound No. 2: 20 parts, thiophanate methyl: 30
Parts, propylene glycol: 3 parts, sodium lignin sulfonate: 2 parts, dioctyl sulfosuccinate sodium salt: 1 part, and water: 44 parts were wet-pulverized with a sand grinder to obtain a flowable agent.

Formulation Example 7 (Floable agent) Compound No. 2: 25 parts, Dietofencarb: 20 parts,
Polyoxyethylene sorbitan monooleate: 3 parts,
Carboxymethyl cellulose: 3 parts and water: 49 parts were wet-pulverized with a sand grinder to obtain a flowable agent.

Next, the efficacy of the compound of the present invention as a fungicide for agricultural and horticultural use will be described with reference to test examples.

Test Example 1 Test for controlling bean gray mold (1) Formulation example 1 was applied to a kidney bean (cultivar: vineless top crop) grown in a greenhouse in a plastic pot having a diameter of 7.5 cm two by two until cotyledons developed. The wettable powder prepared according to the above was diluted to a predetermined concentration, and sprayed 50 ml per 4 pots. After the drug solution was dried, a conidia spore suspension (1 × 10 ⁵ cells / ml) prepared from Botrytis cinerea (MBC resistant, RS bacterium) cultured on a PDA medium was spray-inoculated onto cotyledons and sprayed onto the cotyledon.
It was kept in a greenhouse at ２３23 ° C. and a humidity of 95% or more for 7 days. Seven days after the inoculation, the area occupied by the gray mold spot per kidney leaf was examined according to the following index. The results are shown in Table 1 (Table 1).

[0035] The average value of each treated section and the untreated section was defined as the disease severity.

Control value (%) = (1−degree of disease in treated group / degree of disease in untreated group) × 100

[0037]

[Table 1]

Test Example 2 Test for controlling bean gray mold (2) Formulation example 1 was prepared in a greenhouse by growing green beans in a 7.5 cm-diameter plastic pot until cotyledons were developed two by two (cultivar: vineless top crop). The wettable powder prepared according to the above was diluted to a predetermined concentration, and sprayed 50 ml per 4 pots. Gray mold fungi cultured on PDA medium after the drug solution dries (MBC resistant / dicarboximide resistant, R
R.) (1 × 10 ⁵ cells / m)
l) is spray-inoculated on cotyledons, and the temperature is 20 to 23 ° C and the humidity is 95%.
It was kept in the above greenhouse for 7 days. Seven days after the inoculation, the area occupied by the gray mold spot per kidney leaf was examined according to the following index. The results are shown in Table 2 (Table 2).

[0039] The average value of each treated section and the untreated section was defined as the disease severity.

Control value (%) = (1−degree of disease in treated group / degree of disease in untreated group) × 100

[0041]

[Table 2]

[0042]

Industrial Applicability The present invention is a fungicidal composition containing at least two kinds of active ingredients, and has a synergistically enhanced effect on a wide range of plant diseases, especially on gray mold, and therefore, is useful for plant diseases. It is useful as a controlling agent composition.

By using such a composition of the present invention, it is possible to control a disease with an unexpectedly small amount of an active ingredient as compared with a conventional method.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI A01N 43/76 A01N 43/76 43/78 43/78 Z 47/18 101 47/18 101C 47/20 47/20 Z 47 / 34 47/34 D 47/38 47/38 BC (72) Inventor Hideo Kawashima 1144 Togo, Mobara-shi, Chiba Mitsui Chemicals Co., Ltd. (72) Inventor Tomohisa Akase 1144 Togo, Togo, Mobara-shi, Chiba Mitsui Chemicals Inside

Claims (7)

[Claims] 1. A plant protection composition having at least two kinds of active ingredients and having a synergistic effect against infection of a disease, wherein the component I is represented by the following formula. Wherein Q is a hydrogen atom, a methyl group, a trifluoromethyl group, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a methoxy group, a methylthio group, a methylsulfoxy group, a methylsulfonyl group, a cyano group, an acetyl group, R represents a linear or branched alkyl group having 1 to 12 carbon atoms, a nitro group, an alkoxycarbonyl group or an amino group;
2 straight-chain or branched halogenoalkyl groups, having 2 to 2 carbon atoms
10 linear or branched alkenyl groups, having 2 to 10 carbon atoms
A straight-chain or branched halogenoalkenyl group having 2 to 2 carbon atoms
An alkylthioalkyl group having 10 carbon atoms, an alkyloxyalkyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms,
A halogeno-substituted cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms, or 1 to 3
A phenyl group which may be substituted by three substituents, wherein the substituent of the phenyl group is a hydrogen atom, having 1 to 4 carbon atoms;
Alkyl group, alkenyl group having 2 to 4 carbon atoms, 2 carbon atoms
Alkynyl group of 4 to 4, cycloalkyl group of 3 to 6 carbon atoms, alkoxy group of 1 to 4 carbon atoms, halogenoalkoxy group of 1 to 4 carbon atoms, alkylthio group of 1 to 4 carbon atoms, 1 to 4 carbon atoms Alkylsulfoxy group, alkylsulfonyl group having 1 to 4 carbon atoms, halogen atom, cyano group, acyl group having 2 to 4 carbon atoms, alkoxycarbonyl group having 2 to 4 carbon atoms, amino group, or 1 to 3 carbon atoms An amino group substituted with an alkyl group, R and -NHCOAr are adjacent to each other, and Ar is represented by the following (A1) to (A8)
(Chemical formula 2) (Wherein, R1 is a trifluoromethyl group, a difluoromethyl group, a methyl group, an ethyl group, a chlorine atom, a bromine atom or an iodine atom, and R2 is a hydrogen atom, a methyl group, a trifluoromethyl group or an amino group, n is an integer of 0 to 2)], and the component II is a compound selected from a dicarboximide-based compound, a benzimidazole-based compound, and a carbamate-based compound. Certain fungicide compositions. 2. In the component I, Q is a hydrogen atom,
R is a linear or branched alkyl group having 3 to 10 carbon atoms, a linear or branched halogenoalkyl group having 3 to 10 carbon atoms,
A straight-chain or branched alkenyl group having 3 to 10 carbon atoms, a straight-chain or branched halogenoalkenyl group having 3 to 10 carbon atoms,
The composition according to claim 1, which is a cycloalkyl group having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms. 3. The composition according to claim 2, wherein in component I, Ar is (A1), R1 is CF ₃ or Me group, and R2 is Me group. 4. The composition according to claim 2, wherein in component I, Ar is (A2) and R 1 is a CF ₃ or CHF ₂ group. 5. The composition according to claim 2, wherein in the component II, the dicarboximide compound is procymidone, vinclozolin, or iprodione. 6. The composition according to claim 2, wherein the benzimidazole compound in Component II is thiophanate methyl, benomyl, carbendazole, or thiabendazole. 7. The composition according to claim 2, wherein the carbamate compound in component II is dietofencarb.