The application is to be the dividing an application of Chinese invention patent application no.200410068331.5 on July 9th, 1999 applying date, and its priority date is on July 10th, 1998.
In order to address the above problem, the inventor has carried out studying thoroughgoing and painstakingly, find N-(1-cyano group-1, the 2-dimethyl propyl)-2-(2, the 4-dichlorophenoxy) propionamide (hereinafter being called compd A) uses with the compound with bactericidal activity together, except that the antifungal spectrum enlarges, also has synergistic function, because the loss that rice disease causes has fabulous effect, therefore finished the present invention to preventing.
Can open clear 63-132867 number referring to the spy as active compound component compd A on the one hand in the present invention, wherein also describe compd A and can be used as fungicide in agricultural and the gardening.
As active compound component compd A on the one hand two asymmetric carbon atoms are arranged in the present invention, it just has four optical isomers like this.The present invention includes the single optical isomer and the mixture of above-mentioned optical isomer.
As for the compound on the other hand of active compound component, can use one or more following compounds that are selected from bactericidal activity:
(1) α, α, α-three fluoro-3 '-isopropoxy-neighbour-benzanilide (adopted name: flutolanil; Hereinafter be called compound 1);
(2) 3 '-isopropoxies-2-methyl-benzanilide (adopted name: mebenil; Hereinafter be called compound 2);
(3) N-(2,6-two bromo-4-Trifluoromethoxyphen-ls)-2-methyl-4-trifluoromethyl thiazole-5-carboxylic acid amides (adopted name: thifluzamide (thifluzamide); Hereinafter be called compound 3);
(4) the 5-chloro-1,3-dimethyl-N-(1,1-dimethyl-2-oxa--4-(2, the 3-indanyl))-pyrazole-4-carboxamide (adopted name: furametpyr; Hereinafter be called compound 4);
(5) validamycin (adopted name; Hereinafter be called compound 5);
(6) 1-(4-benzyl chloride base)-1-cyclopenta-3-phenylurea (adopted name: Pencycuron; Hereinafter be called compound 6);
(7) 6-(3,5-two chloro-4-aminomethyl phenyls)-3 (2H)-pyridazinone (adopted names: diclomezine; Hereinafter be called compound 7);
(8) 3-(3, the 5-dichlorophenyl)-N-isopropyl-2,4-dioxo alkyl imidazole-1-carboxylic acid amides (adopted name: iprodione; Hereinafter be called compound 8);
(9) 2-right-chlorphenyl-2-(1H-1,2,4-triazol-1-yl methyl)-own nitrile (adopted name: nitrile bacterium azoles; Hereinafter be called compound 9);
(10) (RS)-2-(2,4 dichloro benzene base)-1-(1H-1,2,4-triazol-1-yl) oneself-2-alcohol (adopted name: own azoles alcohol; Hereinafter be called compound 10);
(11) (Z)-2 '-and methyl acetanilide 4,6-dimethyl pyrimidine-2-base hydrazone (adopted name: ferimzone; Hereinafter be called compound 11);
(12) 1, (adopted name: seed-grain is decided triacetate to the biguanides triacetate to 1 '-imino-diacetic (1, the inferior octyl group of 8-); Hereinafter be called compound 12);
(13) (E)-and 2-{2-[6-(2-cyano-benzene oxygen) pyrimidine-4-base oxygen base] phenyl }-3-methoxy group-methyl acrylate (adopted name: azoxystrobin; Hereinafter be called compound 13);
(14) 2-methoxyimino-N-methyl-2-(2-phenoxy group) phenyl-acetamide (code name: SSF-126; Hereinafter be called compound 14);
(15) 1,3-dithiolane-2-fork-Diisopropyl malonate (adopted name: Isoprothiolane; Hereinafter be called compound 15);
(16) O-ethyl-S, S-diphenyl phosphorodithioate (adopted name: Hinosan; Hereinafter be called compound 16);
(17) 5-methyl isophthalic acid, 2,4-triazol [3,4-b] benzothiazole (adopted name: tricyclazole; Hereinafter be called compound 17);
(18) 4,5,6,7-tetrachloro-2-benzo [c] furanone (adopted name: Rabcide; Hereinafter be called compound 18);
(19) kasugarnycin (hereinafter being called compound 19);
(20) N-[1-(4-chlorphenyl) ethyl]-2,2-two chloro-1-ethyls-3-methyl-cyclopropane carboxamide (adopted name: carproamid; Hereinafter be called compound 20);
(21) N-[1-(2,4 dichloro benzene base) ethyl]-2-cyano group-3,3-amide dimethyl butyrate (hereinafter being called compound 21);
(22) 1,2,5, the 6-nafoxidine also (3,2,1-i, j) quinoline-4-ketone (adopted name: pyroquilon; Hereinafter be called compound 22);
(23) 3-allyloxy-1,2-benzisothiazole-1,1-dioxide (adopted name: allyl isothiazole; Hereinafter be called compound 23);
(24) S-methyl-benzo (1,2,3)-thiadiazoles-7-carbothioic acid ester (code name: CGA-245704; Hereinafter be called compound 24);
In the Fungicidal composition of rice crop of the present invention, compd A accounts for 0.01-80 part by weight with the summation with compound of bactericidal activity in 100 parts of said compositions, preferred 1-70 part, the normally described compound/1 part compd A (1: 0.01-1: 1000) with bactericidal activity of 0.01-1000 part is compared by weight in blending with compound of bactericidal activity, preferred 1: 100-50: 1, more preferably 1: 50-20: 1.
When composition of the present invention uses as the fungicide of rice crop, said active substance can mix (if necessary with solid or liquid-carrier usually, can also add surfactant or other formulation adjuvant), to prepare finish, missible oil, wetting powder, granule, pulvis, liquid preparation (liquid formation), suspending agent, foaming agent (foams), microcapsules, ULV (ultra low volume spraying agent), paste etc. for use.Contain the active component that amounts to 0.1-99.9wt.%, preferred 0.2-80wt.% in these preparations.These preparations can perhaps also have surfactant, sticker, dispersant, stabilizing agent, foaming agent etc. or its mixture to be mixed together and to obtain by (for example) with active component and spreader-sticker (spreaders) (being solid carrier or liquid-carrier) if necessary.
Said solid carrier for example can be fine powder and particle, talcum and other inorganic mineral (sericite, quartz powder, Cosan, activated carbon, calcium carbonate, oxidizing aqueous silicon etc.) of clay (kaolin, diatomite, synthetic hydrated SiO 2, clay, bentonite, acid clay etc.).Said liquid-carrier, for example can be water, alcohols (methyl alcohol, ethanol etc.), ketone (acetone, MEK etc.), arene (benzene,toluene,xylene, ethylbenzene, methyl naphthalene etc.), aliphatic hydrocarbon (n-hexane, cyclohexane, kerosene etc.), ester class (ethyl acetate, butyl acetate etc.), nitrile (acetonitrile, isobutyronitrile etc.), ethers (two alkane, diisopropyl ether etc.), amide-type (N, dinethylformamide, N, and halogenated hydrocarbon (dichloroethane, trichloro-ethylene etc.) N-dimethylacetylamide etc.).
Said surfactant for example is alkyl sulfate, alkylsulfonate, alkylaryl sulfonate, alkyl aryl ether and their polyoxyethylene product, polyglycol ether, polyol ester, sugar alcohol derivant etc.Said other formulation adjuvant (as sticker and dispersant), for example be casein, gelatin, polysaccharide (starch, gum Arabic, cellulose derivatives, alginic acid etc.), lignin derivative, bentonite, synthetic water-soluble polymer (polyvinyl alcohol), PVP(polyvinyl pyrrolidone), poly-(acrylic acid) etc., and stabilizing agent such as PAP (acid phosphatase isopropyl ester), BHT (2,6-two-tert-butyl group-4-methylphenol), vegetable oil, mineral oil, fatty acid, fatty acid ester etc.
When loss that the Fungicidal composition that uses rice crop of the present invention causes with the disease that prevents owing to rice crop, said composition is use or water or other materials dilution use afterwards directly, is used for the processing of cauline leaf processing, water treatment, soil treatment or raising box.Said composition can also with the use that is mixed of other fungicides, Insecticides (tech) ﹠ Herbicides (tech), chemical fertilizer or soil conditioner.
Even mix when using with insecticide; compd A (one side of active compound component among the present invention) also produces the effect identical with the present invention; said insecticide for example can be: 1; two (thiocarbamoyl)-2-(N, N-dimethylamino) the propane hydrochloride salt of 3-(adopted name: cartap),
1-(6-chloro-3-pyridylmethyl)-N-Nitroimidazoline-2-base amine (adopted name: Imidacloprid),
4,5-dihydro-6-methyl-4-(3-pyridine radicals methene amido)-1,2,4-triazine-3 (2H)-ketone (adopted name: pyrrole aphid ketone),
N-[2,3-dihydro-2, the 2-dimethyl benzofuran-amino sulfenyl of 7-base oxygen carbonyl (methyl)]-N-isopropyl-Beta-alanine ethyl ester (adopted name: Benfuracard micro),
2,3-dihydro-2,2-dimethyl-7-benzofuranyl [(dibutylamino) sulphur] methyl carbamate (adopted name: carbosulfan),
(E)-N-(6-chloro-3-pyridylmethyl)-N-ethyl-N '-methyl-2-nitro ethenylidene diamines (adopted name: Nitenpyram),
Right-methyl mercapto phenyl dipropyl phosphate (adopted name: Kayaphos),
The N-tert-butyl group-N '-(4-ethylamino benzonitrile acyl group)-3,5-dimethylbiphenyl hydrazides (adopted name: the worm hydrazides),
2-tertbutylimido-3-isopropyl-5-phenyl-3,4,5,6-tetrahydrochysene-2H-1,3,5-thiadiazine-4-ketone (adopted name: Buprofezin),
2-(4-ethoxyl phenenyl)-2-methyl-propyl-3-phenoxy benzyl ether (adopted name: ether chrysanthemum ester),
O, O-dimethyl-O-3,5,6-trichloro-2-pyridyl phosphorothionate (adopted name: methyl is poisoned barnyard grass with poison),
The 4-nitro--tolyl thionic dimethyl phosphate (adopted name: sumithion (MEP)), 4-ethoxyl phenenyl [3-(4-fluoro-3-Phenoxyphenyl) propyl group] dimethylsilane (adopted name: silafluofene),
2-secondary butyl phenenyl-N-methyl carbamate (adopted name: Bassa (BPMC)), S-[α-(carbethoxyl group) benzyl] the Methyl disulfide substituted phosphate (adopted name: phenthoate dimephenthoate cidial (PAP)),
O, O-diethyl-O-(the different azoles of 5-phenyl-3-base) phosphorothionate (adopted name: azoles phosphorus),
The 4-methyl mercapto--tolyl thionic dimethyl phosphate (adopted name: fenthion (MPP)), (RS)-alpha-cyano-3-phenoxy benzyl (RS)-2,2-two chloro-1-(4-ethoxyl phenenyl) cyclopropanecarboxylcompound (adopted name: cycloprothrin) etc.
The usage amount of the present composition depends on form, service time, occupation mode, the place to use of charge ratio, weather condition, the preparation of active component, the disease of control etc., and common consumption is 0.1-1000g, preferred 1-50g active component/are.When re-using after the water of usefulness scheduled volumes such as missible oil, wetting powder, suspending agent, liquid preparation is diluted, the concentration of the active component in the dilution is 0.0001-0.1%.Use dilute with water not usually such as granule, pulvis.
Can the play a role disease of rice crop of control of the present composition, for example be rice blast (
Pyricularia Oryzae), the rice sheath blight (
Rhizoctonia Solani), Helminthosporium of brown spot of rice (
Cochliobolus Miyabeanus), rice leaf blight (Spharulina oryzina), rice culm rot (Leptosphaeria slavini), coloured rice (colored rice) etc.
Embodiment
Be the representative instance of example of formulations of the present invention and experimental example below.In the following embodiments, umber is meant parts by weight.
Formulation embodiment 1: wetting powder
1 part of compd A
10 parts of one of compound 1-24
72 parts in the diatomite of calcining
5 parts of polyoxyethylene nonylplenyl ethers
4 parts of the condensation products of naphthalene sulfonic acids and formalin
8 parts of moisture silicic acid
Above-mentioned various compositions are mixed equably and grind, form wetting powder.
Formulation embodiment 2: wetting powder
1 part of compd A
50 parts of one of compound 1-24
32 parts in the diatomite of calcining
5 parts of polyoxyethylene nonylplenyl ethers
4 parts of the condensation products of naphthalene sulfonic acids and formalin
8 parts of moisture silicic acid
Above-mentioned various compositions are mixed equably and grind, form wetting powder.
Example of formulations 3: wetting powder
5 parts of compd As
10 parts of one of compound 1-24
68 parts in the diatomite of calcining
5 parts of polyoxyethylene nonylplenyl ethers
4 parts of the condensation products of naphthalene sulfonic acids and formalin
8 parts of moisture silicic acid
Above-mentioned various compositions are mixed equably and grind, form wetting powder.
Example of formulations 4: wetting powder
20 parts of compd As
1 part of one of compound 1-24
62 parts in the diatomite of calcining
5 parts of polyoxyethylene nonylplenyl ethers
4 parts of the condensation products of naphthalene sulfonic acids and formalin
8 parts of moisture silicic acid
Above-mentioned various compositions are mixed equably and grind, form wetting powder.
Example of formulations 5: wetting powder
20 parts of compd As
5 parts of one of compound 1-24
58 parts in the diatomite of calcining
5 parts of polyoxyethylene nonylplenyl ethers
4 parts of the condensation products of naphthalene sulfonic acids and formalin
8 parts of moisture silicic acid
Above-mentioned various compositions are mixed equably and grind, form wetting powder.
Example of formulations 6: wetting powder
10 parts of compd As
1 part of one of compound 1-24
72 parts in the diatomite of calcining
5 parts of polyoxyethylene nonylplenyl ethers
4 parts of the condensation products of naphthalene sulfonic acids and formalin
8 parts of moisture silicic acid
Above-mentioned various compositions are mixed equably and grind, form wetting powder.
Example of formulations 7: granule
1 part of compd A
20 parts of one of compound 1-24
1 part of moisture silicic acid
2 parts of Lignosites
30 parts of bentonites
46 parts of kaolin
Above-mentioned various compositions are mixed equably and grind, mix an amount of water and kneading.The mixture pelleting of gained, the dry granule that forms.
Example of formulations 8: granule
5 parts of compd As
5 parts of one of compound 1-24
3 parts of moisture silicic acid
2 parts of Lignosites
30 parts of bentonites
55 parts of kaolin
Above-mentioned various compositions are mixed equably and grind, mix an amount of water and kneading.The mixture pelleting of gained, the dry granule that forms.
Example of formulations 9: granule
1 part of compd A
5 parts of one of compound 1-24
3 parts of moisture silicic acid
2 parts of Lignosites
30 parts of bentonites
59 parts of kaolin
Above-mentioned various compositions are mixed equably and grind, mix an amount of water and kneading.The mixture pelleting of gained, the dry granule that generates.
Example of formulations 10: granule
4 parts of compd As
1 part of one of compound 1-24
1 part of moisture silicic acid
2 parts of Lignosites
30 parts of bentonites
62 parts of kaolin
Above-mentioned various compositions are mixed equably and grind, mix an amount of water and kneading.The mixture pelleting of gained, the dry granule that forms.
Experimental example 1 by dispenser to rice blast (
Pyricularia Oryzae) preventive effect
Wetting powder according to example of formulations preparation is diluted with water to predetermined concentration, and the stem and the leaf of the rice crop (Kin-maze) of a strain six leaf ages of cultivation in the basin of water submergence are sprayed.After air-dry, the sprinkling Pyricularia oryzae (
Pyricularia Oryzae) spore suspension plant is inoculated.After inoculation, plant is placed a week in 20 ℃, moist environment, determine the number of lesion then, obtain preventing index according to following standard.The result is as shown in table 1.
[standard]
Prevention index preventive effect
5 preventions value 95% or more
4 prevention value 85%-94%
3 prevention value 60%-84%
2 prevention value 40%-59%
1 prevention value 1%-39%
Table 1
Test compound | | The concentration of active component (ppm) | The prevention index |
Compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A compd A compound 1 compound 2 compounds 3 compounds 5 compounds 6 compounds 11 compounds 13 compounds 14 | Compound 1 compound 2 compounds 3 compounds 5 compounds 6 compounds 11 compounds 13 compounds 14 compounds 15 compounds 16 compounds 17 compounds 18 compounds 20 compounds 21 | 10+500 10+500 10+500 10+500 10+500 5+50 5+10 5+50 5+50 5+50 5+5 5+5 5+5 5+5 10 5 500 500 500 500 500 50 10 50 | 5 5 5 5 5 5 5 5 5 5 5 5 5 5 4 4 0 0 0 0 0 3 4 4 |
Table 1 (continuing)
Test compound | The concentration of active component (ppm) | The prevention index |
Compound 15 compounds 16 compounds 17 compounds 18 compounds 20 compounds 21 | 50 50 5 5 5 5 | 4 3 4 3 4 4 |
Experimental example 2 by the paddy field water either dispenser to rice blast (
Pyricularia Oryzae) preventive effect
By using the basin of 1/14000 are of size, the rice plant (Kin-maze) of cultivating six leaf ages in water is watered the granule for preparing according to example of formulations.Processed pot plant was placed in the greenhouse 7 days, and the sprinkling Pyricularia oryzae (
Pyricularia Oryzae) spore suspension plant is inoculated.Then, plant is placed a week in 20 ℃, moist environment, determine the number of lesion again, obtain preventing index according to the standard of experimental example 1.The result is as shown in table 2.
Table 2
Test compound | | The concentration of active component (g/10a) | The prevention index |
Compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A compound 1 compound 4 compounds 13 compounds 14 compounds 22 compounds 23 compounds 24 | Compound 1 compound 4 compounds 13 compounds 14 compounds 22 compounds 23 compounds 24 | 10+200 10+200 10+10 10+50 10+10 10+50 10+50 10 200 200 10 50 10 50 50 | 5 5 5 5 5 5 5 3 0 0 3 3 4 3 3 |
Experimental example 3 by dispenser to rice blast (
Pyricularia Oryzae) treatment effect
To the six leaf age rice crops (Kin-maze) of cultivation in the basin of water submergence spray Pyricularia oryzae (
Pyricularia Oryzae) spore suspension plant is inoculated.After inoculation, the wetting powder according to example of formulations preparation is diluted with water to predetermined concentration, stem and foliar spray to said plant in 20 ℃, the environment of humidity spilt 1 day.After air-dry, plant was placed for 1 week in a humid environment, determine the number of lesion then, obtain preventing index according to the standard of experimental example 1.The result is as shown in table 3.
Table 3
Test compound | | The concentration of active component (ppm) | The prevention index |
Compd A+compd A compound 19 | Compound 19 | 200+20 200 20 | 5 0 4 |
Experimental example 4 by dispenser to the rice sheath blight (
Rhizoctonia Solani) preventive effect
Wetting powder according to example of formulations preparation is diluted with water to predetermined concentration, and the stem and the leaf of the rice crop (Kin-maze) of a strain six leaf ages of cultivation in the basin of water submergence are sprayed.After air-dry, the root of the plant inoculation rice sheath blight (
Rhizoctonia Solani) fungal cell nuclear.After inoculation, plant is placed a week in 30 ℃, moist environment, determine the number of lesion then, obtain preventing index according to the standard of experimental example 1.The result is as shown in table 4.
Table 4
Test compound | | The concentration of active component (ppm) | The prevention index |
Compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A compound 1 compound 2 compounds 3 compounds 5 compounds 6 compounds 7 compounds 13 compounds 14 | Compound 1 compound 2 compounds 3 compounds 5 compounds 6 compounds 7 compounds 13 compounds 14 | 200+10 200+10 200+10 200+10 200+10 200+10 200+10 200+50 200 10 10 10 10 10 10 10 50 | 4 3 4 4 4 3 4 4 0 3 2 3 3 3 2 3 3 |
Experimental example 5 by the paddy field water either dispenser to the rice sheath blight (
Rhizoctonia Solani) preventive effect
By using the basin of 1/8000 are of size, the compound according to the example of formulations preparation is diluted with water to predetermined concentration, the six leaf age rice crops (Kin-maze) of cultivation in the basin of water submergence are watered.Processed pot plant was placed in the greenhouse 7 days, the root of the plant inoculation rice sheath blight (
Rhizoctonia Solani) fungi.Then, plant is placed a week in 30 ℃, moist environment, determine the number of lesion again, obtain preventing index according to the standard of experimental example 1.The result is as shown in table 5.
Table 5
Test compound | | The concentration of active component (g/10a) | The prevention index |
Compd A+compd A+compd A+compd A+compd A+compd A compound 8 compounds 9 compounds 10 compounds 11 compounds 12 | Compound 8 compounds 9 compounds 10 compounds 11 compounds 12 | 200+10 200+10 200+10 200+10 200+10 200 10 10 10 10 10 | 4 3 4 4 4 0 3 3 3 3 3 |
Experimental example 6 by dispenser to Helminthosporium of brown spot of rice (
Cochliobolus Miyabeanus) preventive effect
Wetting powder according to example of formulations preparation is diluted with water to predetermined concentration, and the stem and the leaf of the rice crop (Kin-maze) of a strain six leaf ages of cultivation in the basin of water submergence are sprayed.After air-dry, the sprinkling Helminthosporium of brown spot of rice (
Cochliobolus Miyabeanus) spore suspension plant is inoculated.After inoculation, plant is placed a week in 20 ℃, moist environment, determine the number of lesion then, obtain preventing index according to the standard of experimental example 1.The result is as shown in table 6.
Table 6
Test compound | | The concentration of active component (ppm) | The prevention index |
Compd A+compd A+compd A+compd A+compd A+compd A+compd A+compd A compound 8 compounds 9 compounds 10 compounds 11 compounds 12 compounds 13 compounds 14 | Compound 8 compounds 9 compounds 10 compounds 11 compounds 12 compounds 13 compounds 14 | 200+10 200+10 200+10 200+10 200+10 200+10 200+50 200 10 10 10 10 10 10 50 | 4 4 4 4 4 4 4 0 3 3 3 3 3 3 3 |