JP2001072512A - Plant disease-controlling agent composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition capable of exhibiting synergistically improved effect against the infection of powdery mildew by including a specific substituted thiophene derivative and a triazol-based compound. SOLUTION: This composition contains at least two kinds of active ingredients of (A) a substituted thiophene derivative represented by formula I [Q is H, methyl, trifluoromethyl or the like; R is a 3-12C alkyl, a 3-12C halogenoalkyl or the like; Ar is a group of formula II (R1 is trifluoromethyl, difluoromethyl or the like; R2 is H, methyl, trifluoromethyl or the like; n is 0-2) or the like], and (B) at least one compound of a triazol-based compound, an imidazole-based compound, a morpholine-based compound, a benzimidazole- based compound (preferably thiophanate-methyl), an anilinopyrimidine-based compound (preferably mepanipyrim), an acrylate-based compound, iminoctadine albesilate and polyoxin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a plant disease controlling composition containing at least two active ingredients and having a synergistically enhanced effect on powdery mildew infection.
More specifically, one of the active ingredients is a substituted thiophene derivative showing a plant disease controlling action, and the other is a triazole compound, an imidazole compound, a morpholine compound, a benzimidazole compound, an anilinopyrimidine compound, an acrylate compound. And a fungicidal composition containing at least one compound selected from iminoctadine albesilate and polyoxin.

[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 triazole compound,
Imidazole compounds, morpholine compounds, benzimidazole compounds, anilinopyrimidine compounds,
It is a known compound selected from acrylate compounds, iminoctadine albesylate, and polyoxin, and has the following general name [“trade name (English name)”, page], and the page refers to [The Pesticide Manual (The Pesside).
ticide Manual), 11th edition, The B
write Crop ProtectionCou
ncil, 1997].

A. Triazole-based compound Propiconazole ["Propiconazole (Til
t) ", pp. 1030-1032] 2. Triadimenol [" Baytan (Bayta
n) ", pp. 1218-1220] 3. Penconazole [" Topas ", ninth
33-935] 4. Tebuconazole [“Folicu
r) ", pp. 1144-1146] 5. Flusilazole [" Nustar ",
1003 to 1004] 6. Diniconazole [“Sumi-8”,
421-422] 7. Bromconazole [Grani
t) ", pp. 152-153] 8. Epoxyconazole [" Opus ",
79-80] 9. Difenoconazole [“Score”,
389-391] 10. 10. Cyproconazole [“Alto”, pp. 1003-1004] Metoconazole ["Caramba"
a) ", pp. 803-804] 12. Microbutanyl [" Microbutanyl (Myclo
butanil) ", pages 854-856] 13. Fenbuconazole [" Inda
r) ", pp. 508-509] 14. Hexaconazole [" Anvil
1) ", pp. 674-675] 15. Flukinconazole [" Castelane "
llan) ", pp. 588-589] 16. Bitertanol [" Bayco "
r) ", pp. 131-133]

B. Imidazole compounds 1. Imazalil ["Fungaflor
r) ”, pp. 691-693] 2. Prochlorats [“ Sporta (Sporta)
k) ", pp. 1000-1002] 3. Triflumizole [" Trifmin
e) ", pp. 1245-1246]

C. Morpholine-based compounds Fenpropimorph [Corbe
l) ", pp. 528-529] 2. Tridemorph [" Calixi "
n) ", pp. 1242-1243] 3. Dodemorph [" Meltatox "
x) ", pp. 449-451]

D. Benzimidazole compounds 1. Thiophanate methyl [“Topzine M (To
1. psin M) ", pages 1201-1203] 2. Benomyl [" Benlate ", pages 100-102] 3. Carbendazim [" Babistin "
n) ", pp. 182-184] 4. Thiabendazole [" Mertec. "
t) ", pp. 1183-1185]

E. Anilinopyrimidine compounds 1. Pyrimethanil [“Scala”, 1st
068-1069] 2. Mepanipyrim [“Frupica”,
784-785] 3. Cyprodinil ["Unix", 3rd
19-321]

F. Acrylate-based compounds Klesoxim Methyl ["Strobe", 743
-744 pages] 2. Azoxystrovirulin [Heritage (Heri
stage) ", pp. 70-72] 3. Compounds described in JP-A-63-23852 4. SSF-126 (code number) [1114-11
15 pages]

G. Others 1. Polyoxin ["Polyoxin AL (Polyo
xin AL) ", pp. 991-994] 2. Copper nonylphenol sulfonate [" Yonepon (Yo)
nepon) "] 3. DBEDC [" Sanyl "] 4. Iminoctadine albesylate [" Bellkute ", pages 709-712] 5. Trifolin [" Saprol ",
1252-1254] 6. Fenarimol [“Rubigan”,
Pp. 505-506] 7. Nuarimol ["Trimida
l) ", 889-890] 8. Pyrifenox [" Dorado ",
Pages 1066 to 1068] 9. Fenpropidin [“Tern”, 5th
26-527] 10. Quinomethionate [Morest
an) ", pp. 198-200] 11. Sulfur [" Cosan ", 1133
１1134] 12. Phenoxyphene [“(Quinoxyfe
n) ", pp. 1083-1084]

[0012]

DISCLOSURE OF THE INVENTION The present invention relates to a substituted thiophene derivative of component I and a triazole compound, imidazole compound, morpholine compound, benzimidazole compound, anilinopyrimidine compound, acrylate of component II. The present invention provides a plant disease controlling composition comprising at least two active ingredients, one of a compound, iminoctadine albesylate, and polyoxin, and having a synergistically enhanced action on powdery mildew. The purpose is to.

[0013]

The present inventors have conducted various studies to solve the above-mentioned problems, and as a result, surprisingly, the triazole compound, the imidazole compound,
Morpholine compounds, benzimidazole compounds,
Anilinopyrimidine compounds, acrylate compounds,
Iminoctadine albesylate, a composition of at least one component of polyoxins and one of the substituted thiophene derivatives of component I, a wide range of plant diseases,
In particular, they have found that they show an enhanced synergistic effect on the infection of powdery mildew diseases, and therefore can solve the above problems, and thus completed the present invention.

That is, the present invention is a plant protection composition containing at least two kinds of active ingredients and having a synergistic effect against powdery mildew infection, wherein the component I has the general formula (1)

[0015]

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 methylsulfoxy group, a methylsulfonyl group,
A cyano group, an acetyl group, a nitro group, an alkoxycarbonyl group or an amino group, wherein R is a straight-chain or branched alkyl group having 3 to 12 carbon atoms, a straight-chain or branched halogenoalkyl group having 3 to 12 carbon atoms, A linear or branched alkenyl group having 3 to 10 carbon atoms, a linear or branched halogenoalkenyl group having 3 to 10 carbon atoms, or a cycloalkyl having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms. An alkyl group, a halogeno-substituted cycloalkyl group having 3 to 10 carbon atoms which may be substituted by an alkyl group having 1 to 4 carbon atoms, or a phenyl group optionally substituted by 1 to 3 substituents; The substituent of the phenyl group is a hydrogen atom and has 1 carbon atom.
Alkyl group of 4 to 4, alkenyl group of 2 to 4 carbon atoms, alkynyl group of 2 to 4 carbon atoms, cycloalkyl group of 3 to 6 carbon atoms, alkoxy group of 1 to 4 carbon atoms, halogeno of 1 to 4 carbon atoms An alkoxy group, an alkylthio group having 1 to 4 carbon atoms,
An alkylsulfoxy group having 1 to 4 carbon atoms, an alkylsulfonyl group having 1 to 4 carbon atoms, a halogen atom, a cyano group, an acyl group having 2 to 4 carbon atoms, an alkoxycarbonyl group having 2 to 4 carbon atoms, an amino group, or An amino group substituted with an alkyl group having 1 to 3 carbon atoms, R and -NHCOAr are adjacent to each other, and Ar is represented by the following (A1) to (A8)
(Formula 3)

[0016]

Embedded image (Wherein, R 1 is a trifluoromethyl group, a difluoromethyl group, a methyl group, an ethyl group, a chlorine atom, a bromine atom or an iodine atom, and R 2 is a hydrogen atom, a methyl group, a trifluoromethyl group or an amino group, n is an integer of from 0 to 2)], wherein the component II is a triazole-based compound,
Imidazole compounds, morpholine compounds, benzimidazole compounds, anilinopyrimidine compounds,
The present invention relates to a composition which is at least one compound of an acrylate compound, iminoctadine albesylate, and polyoxin.

[0017]

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
R ₃ is a Me group and R 2 is a Me group; Ar is (A2)
In, R1 is CF ₃ or CHF _2; in the Ar (A3), R1
Is a Me group and R2 is a hydrogen atom or a Me group; Ar is (A4), R1 is a Me group and n is 0 to 1; Ar is (A5), R1 is a chlorine atom; Ar is (A6) or (A7): a compound wherein Ar is (A8) and R 1 is a Me group, R is a linear or branched alkyl group having 4 to 8 carbon atoms,
Or a compound having a cycloalkyl group having 4 to 8 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms, or a compound wherein Q is a hydrogen atom.

[0018] Particularly preferred compounds as component I of the present invention, Ar in the (A1), R1 is CF ₃ or Me group, R2 is Me group; a is Ar (A2), R1 is CF ₃
Or CHF ₂ , Q is a hydrogen atom, and R is a linear or branched alkyl group having 4 to 8 carbon atoms, or a C 4 to C 8 alkyl group which may be substituted with an alkyl group having 1 to 4 carbon atoms. A compound that is a cycloalkyl group.

The following are some specific examples of the compound represented by Component I. Compound number 1: N- {2- (1,3-dimethylbutyl)
-3-thienyl} -2,4-dimethylthiazole-5
Carboxamide [Q is a hydrogen atom and R is 1,3-
A dimethylbutyl group, and Ar is A1 (R1 = Me, R2
= Me)] Compound number 2: N- {2- (1,3-dimethylbutyl)
-3-thienyl} -3-trifluoromethyl-1-methylpyrazole-4-carboxylic acid amide [Q is a hydrogen atom, R is a 1,3-dimethylbutyl group, and Ar is A
2 (R1 = CF ₃₎ In the case of Compound No. 3: N- {2- (1,3- dimethylbutyl)
-3-thienyl} -2-methylfuran-3-carboxylic acid amide [when Q is a hydrogen atom, R is a 1,3-dimethylbutyl group, and Ar is A3 (R1 = Me, R2 = H) Compound number 4: N- {2- (1,3-dimethylbutyl)
-3-thienyl} -3-methylthiophene-2-carboxylic acid amide [Q is a hydrogen atom, R is a 1,3-dimethylbutyl group, and Ar is A4 (R1 = Me, n = 0)
Compound number 5: N- {2- (1,3-dimethylbutyl)
-3-thienyl} -2-chloronicotinamide [when Q is a hydrogen atom, R is a 1,3-dimethylbutyl group, and Ar is A6]

The compositions of the present invention are effective against the following types of plant diseases: Pyricularia ory
zae ), sheath blight ( Rhizoctonia solani ), sesame leaf blight ( Cochl
iobolus miyabeanus ), idiot disease ( Gibberella fujikuro)
i ); Powdery mildew of wheat ( Erysiphe graminis f.sp. hord)
ei; f.sp. tritici), rust (Puccinia striiformis; P.
graminis ; P. recondita ; P. hordei) , leaf spot disease ( Pyrenoph
ora graminea ), net spot disease (Pyrenophora teres ), Fusarium head blight
( Gibberella zeae ), snow rot ( Typhula sp .; Micronectri
ella nivalis ), nude smut ( Ustilago tritic i; U. nud)
a ), black smut ( Tilletia caries ), eye spot disease ( Pseudo
cercosporella herpotrichoides ), strain rot ( Rhizoctonia
cerealis), scald (Rhynchosporium secalis), leaf blight
( Septoria tritici ), blight ( Leptosphaeria nodoru)
m ); Botrytis cinerea such as bean, cucumber, tomato, strawberry, grape, potato, soybean, cabbage, eggplant, lettuce; and downy mildew of grape ( Plasmopora)
viticola), rust (Phakopsora ampelopsidis), powdery mildew (Uncinula necator), sphaceloma disease (Elsinoe ampelin
a ), late rot ( Glomerella cingulata ); powdery mildew on apples ( Podosphaera leucotricha ), scab ( Venturia inaeq)
ualis ), spot leaf rot ( Alternaria mali ), scab ( Gymnos )
porangium yamadae ), Monilia disease ( Sclerotinia mali ),
Rot rot ( Valsa mali ); Black spot of pear ( Alternaria kiku)
chiana), scab (Venturia nashicola), gymnosporangium (Gymnos
porangium haraeanum ), ring spot disease ( Physalospora piricol )
a ); Peach ash disease ( Sclerotinia cinerea ), scab ( Clad )
osporium carpophilum), Phomopsis rot (Phomopsi
s sp.); oyster anthracnose ( Gloeosporium kaki ), leaf blight ( Ce )
rcospora kaki ; Mycosphaerella nawae ), powdery mildew ( P
hyllactinia kakikora ); downy mildew of cucumber ( Pseudopero
nospora cubensis ), powdery mildew of cucumber ( Sphaerotheca
fuliginea ), Anthracnose ( Colletotrichum lagenarium ), Vine blight ( Mycosphaerella melonis ); Tomato ring spot ( Alt
ernaria solani ), leaf mold ( Cladosporium fulvam ), plague ( Phytophthora infestans ); eggplant powdery mildew ( Erysi
phe cichoracorum), Susukabi disease (Mycovellosiella natt
rassii ); Black spot of cruciferous vegetables ( Alternaria japoni
ca ), white spot disease ( Cercosporella brassicae );
(Puccinia allii), black spot disease (Alternaria porri); soybean purpura (Cercospora kikukuchii), sphaceloma disease (Elsino
e glycinnes ), black spot ( Diaporthe phaseololum ); kidney anthracnose ( Colletotrichum lindemuthianum ); peanut black spot ( Mycosphaerellapersonatum ), brown spot ( C
ercospora arachidicola ); powdery mildew of pea ( Erys
iphe pisi ), downy mildew ( Peronospora pisi ); potato summer plague ( Alternaria solani ), black bruise ( Rhizoctonia so
lani ), plague ( Phytophthora infestans ); broad bean downy mildew ( Peronospora viciae ), plague ( Phytophthora nicoti )
anae ); Tea blast ( Exobasidium reticulatum ), white scab ( Elsinoe leucospila ), anthracnose ( Colletotrichum t
heae-sinensis); Tobacco scab ( Alternaria longipe)
s ), powdery mildew ( Erysiphe cichoracearum ), anthracnose ( Co
lletotrichum tabacum ), plague ( Phytophthora parasitic )
a ); Brown spot of sugar beet ( Cercospora beticola ); Rose scab ( Diplocarpon rosae ), powdery mildew ( Sphaerotheca )
pannosa ), plague ( Phytophthora megasperma ); chrysanthemum leaf spot ( Septoria chrysanthemi - indici ), white rust ( Puc
cinia horiana ); strawberry powdery mildew ( Sphaerotheca hu)
muli ), plague ( Phytophthora nicotianae ); sclerotium disease (S clerotinia s
clerotiorum ); citrus black spot ( diaporthe citri );
Bacterial leaf blight of carrots ( Alternaria dauci ) and the like. Above all,
It has a synergistically enhanced effect on powdery mildew.
Such a potentiating effect was not to be expected from the sum of the effects of the individual active ingredients.

In the composition of the present invention, the mixing ratio of the substituted thiophene derivative of the component I and the component II is not particularly limited.
Is from 0.01 to 50 parts by weight, preferably from 0.5 to 50 parts by weight.
It is in the range of 50 parts by weight, more preferably 0.5 to 30 parts by weight, even more preferably 1 to 20 parts by weight.

The composition of the present invention may be applied directly as a mixture containing the two active ingredients, or may be applied separately or simultaneously, or may be applied one after the other.
Further, the mixture containing the active ingredients may be obtained by diluting the concentrated composition containing the two active ingredients with water, or preparing the mixture at the time of use from the two concentrated liquids containing the individual active ingredients,
This 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.

As used herein, the term "carrier" refers to a synthetic or natural inorganic or organic substance incorporated to help the active ingredient reach 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.

For example, solid carriers include clays such as montmorillonite and kaolinite; diatomaceous earth, terra alba, talc, vermiculite, gypsum, calcium carbonate, silica gel, and ammonium sulfate; inorganic substances such as soybean powder, sawdust, flour, etc. 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, aromatic hydrocarbons such as toluene, xylene and 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 dimethyl sulfoxide; 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; cephalin or lecithin-based natural or synthetic phospholipids 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 0 to 80% by weight, and the content of the carrier is 100% by weight minus the content of the active ingredient compound and the content of the adjuvant.

Examples of the method of applying the composition of the present invention include seed treatment, foliage application, soil irrigation, etc., and any application method usually used by those skilled in the art exerts sufficient effects. The application rate and application concentration vary depending on the target crop, the target disease, the degree of occurrence of the disease, the dosage form of the compound, the application method and various environmental conditions, etc., but when sprayed, the active ingredient amount is 50 to 1,000 g per hectare. Is suitable, desirably from 100 to 500 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 2 is appropriate, preferably a factor of 500 to 5,000. In the case of seed disinfection, the amount of fungicide mixture used is
It 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 combination with other fungicides, pesticides, acaricides, nematicides, herbicides, pesticides such as plant growth regulators, soil improvers or fertilizers, Mixed preparations with these are 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.

[0030]

EXAMPLES Formulation Example 1 (Wettable powder) Compound No. 2: 10 parts, thiophanate methyl: 20
Parts, sodium ligninsulfonate: 10 parts, sodium alkylbenzenesulfonate: 20 parts and diatomaceous earth:
40 parts were pulverized and mixed to obtain a wettable powder.

Formulation Example 2 (Floable Agent) Compound No. 2: 10 parts, mepanipyrim: 10 parts, propylene glycol: 3 parts, sodium ligninsulfonate: 2 parts, dioctyl sulfosuccinate sodium salt: 1 part, and water: 74 The part was wet-pulverized with a sand grinder to obtain a flowable agent.

Formulation Example 3 (Floable agent) Compound No. 2: 10 parts, iminoctadine albesylate: 20 parts, polyoxyethylene sorbitan monooleate: 3 parts, carboxymethyl cellulose: 3 parts, and water: 64 parts Was wet-pulverized with a sand grinder to obtain a flowable agent.

Test Example 1 Cucumber Powdery Mildew Control Test In a greenhouse, a 1.5 cm plastic pot was placed in a 7.5 cm diameter plastic pot.
A wettable powder prepared according to Formulation Example 3 was diluted to a predetermined concentration (active ingredient concentration: 200 ppm) in cucumber (cultivar: Sagamihanjiro) grown two by two until the leaf stage, and sprayed at 50 ml per three pots. did. After the drug solution dries, a conidia spore suspension (1 × 10 ⁶ cells / ml) prepared by suspending cucumber powdery mildew conidia in water containing a small amount of a spreading agent is sprayed and inoculated in a greenhouse. For 7 days. Seven days after inoculation, the area occupied by the powdery mildew spot per cucumber leaf was investigated according to the following index to determine the degree of disease, and the control value was calculated according to the following formula. The results are shown in Table 1 (Table 1).

[0034] The average value of each treated section and the untreated section was defined as the disease severity. Control value (%) = (1−Severity of treated group / Severity of untreated group) × 100

[0035]

[Table 1]

[0036]

Industrial Applicability The present invention is a plant disease controlling composition containing at least two kinds of active ingredients, and has a wide range of plant diseases,
In particular, it shows a synergistically enhanced effect on powdery mildew and is therefore useful as a plant disease controlling agent composition. By using the composition of the present invention, it is possible to effectively control a disease with an unexpectedly small amount of an active ingredient as compared with a conventional method. In addition to the synergistic effect on powdery mildew, the composition of the present invention shows an effect on gray mold, red rust and the like.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) A01N 47/34 A01N 47/34 D 47/44 47/44 F term (reference) 4H011 AA01 AA03 BA06 BB06 BB08 BB09 BB10 BB11 DA15 DD03 DF04

Claims (7)

[Claims] 1. A plant disease controlling composition comprising at least two active ingredients and having a synergistic effect on powdery mildew infection, wherein component I is represented by the general formula (1): 1) [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 methylsulfoxy group, a methylsulfonyl group,
A cyano group, an acetyl group, a nitro group, an alkoxycarbonyl group or an amino group, wherein R is a straight-chain or branched alkyl group having 3 to 12 carbon atoms, a straight-chain or branched halogenoalkyl group having 3 to 12 carbon atoms, A linear or branched alkenyl group having 3 to 10 carbon atoms, a linear or branched halogenoalkenyl group having 3 to 10 carbon atoms, or a cycloalkyl having 3 to 10 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms. An alkyl group, a halogeno-substituted cycloalkyl group having 3 to 10 carbon atoms which may be substituted by an alkyl group having 1 to 4 carbon atoms, or a phenyl group optionally substituted by 1 to 3 substituents; The substituent of the phenyl group is a hydrogen atom and has 1 carbon atom.
Alkyl group of 4 to 4, alkenyl group of 2 to 4 carbon atoms, alkynyl group of 2 to 4 carbon atoms, cycloalkyl group of 3 to 6 carbon atoms, alkoxy group of 1 to 4 carbon atoms, halogeno of 1 to 4 carbon atoms An alkoxy group, an alkylthio group having 1 to 4 carbon atoms,
An alkylsulfoxy group having 1 to 4 carbon atoms, an alkylsulfonyl group having 1 to 4 carbon atoms, a halogen atom, a cyano group, an acyl group having 2 to 4 carbon atoms, an alkoxycarbonyl group having 2 to 4 carbon atoms, an amino group, or An amino group substituted with an alkyl group having 1 to 3 carbon atoms, R and -NHCOAr are adjacent to each other, and Ar is represented by the following (A1) to (A8)
(Chemical formula 2) (Wherein, R 1 is a trifluoromethyl group, a difluoromethyl group, a methyl group, an ethyl group, a chlorine atom, a bromine atom or an iodine atom, and R 2 is a hydrogen atom, a methyl group, a trifluoromethyl group or an amino group, n is an integer of from 0 to 2)], wherein the component II is a triazole-based compound,
Imidazole compounds, morpholine compounds, benzimidazole compounds, anilinopyrimidine compounds,
A composition which is at least one compound of an acrylate compound, iminoctadine albesylate, and polyoxin. 2. In the component I, Q is a hydrogen atom,
The composition according to claim 1, wherein R is a linear or branched alkyl group having 5 to 8 carbon atoms, or a cycloalkyl group having 5 to 8 carbon atoms which may be substituted with an alkyl group having 1 to 4 carbon atoms. . 3. The composition according to claim 1, wherein the component II is a benzimidazole compound. 4. The composition according to claim 3, wherein the benzimidazole compound is thiophanate methyl. 5. The composition according to claim 1, wherein the component II is an anilinopyrimidine compound. 6. The composition according to claim 5, wherein the anilinopyrimidine compound is mepanipyrim. 7. The composition according to claim 1, wherein component II is iminoctadine albesylate.