CN105746533A - Sterilization composition containing SYP-Z048 and tetraconazole - Google Patents
Sterilization composition containing SYP-Z048 and tetraconazole Download PDFInfo
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- CN105746533A CN105746533A CN201610206574.3A CN201610206574A CN105746533A CN 105746533 A CN105746533 A CN 105746533A CN 201610206574 A CN201610206574 A CN 201610206574A CN 105746533 A CN105746533 A CN 105746533A
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- tetraconazole
- bacterium azoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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Abstract
The invention discloses a sterilization composition containing SYP-Z048 and tetraconazole. The sterilization composition the following effective components: SYP-Z048, tetraconazole and common auxiliary components, wherein the weight ratio of SYP-Z048 to tetraconazole in the composition is (20 to 1)-(1 to 1). A large number of indoor and outdoor tests prove that the sterilization composition has remarkable synergistic interaction effect to multiple diseases harming the growth of plants, particularly gray mold and powdery mildew, meanwhile, the consumption of a pesticide is reduced, the pesticide residue on the plants is reduced, the environmental pollution is alleviated, the generation of drug resistance of pathogenic bacteria is delayed, and the service life of the pesticide is prolonged.
Description
Technical field
The present invention relates to pesticide sterilizing composite and application thereof, specifically a kind of be effective ingredient with pyridine bacterium azoles and tetraconazole bactericidal composition, for preventing and treating gray mold and powdery mildew on crops.
Background technology
Pyridine bacterium azoles, is oxazolines antibacterial, belongs to sterol synthetic inhibitor, has protection and therapeutical effect, has good interior absorption, absorbs, by root and base of leaf, generation and the harm that can effectively control leaf diseases.This compound is to the gray mold on Fructus Lycopersici esculenti, Fructus Cucumidis sativi, Fructus Vitis viniferae, and the powdery mildew etc. on Semen Tritici aestivi, Fructus Cucumidis sativi all has good prevention effect.
Tetraconazole; belong to ergosterol biosynthesis inhibitor; phytopathogen mycelial growth and illumination there is strong inhibition effect; the diseases such as the powdery mildew generally occurred on the industrial crops such as vegetable, melon and fruit, rust, leaf spot, scab and blight dis-ease there are lasting protection and outstanding therapeutic effect; there is permeability efficiently and rapidly; outstanding and the interior absorption of holding effect and uniform distributivity, to crop safety.
The individually long-time use continuously of pesticide easily produces resistance risk and consumption increases risk, and then increase cost and carrying capacity of environment, and the compositions with notable synergistic function is filtered out by agriculture chemical compounding, Pesticide use amount can not only be reduced, reduce use cost, reduce resistance risk, moreover it is possible to reduce potential environmental risk.
The recipe determination of pyridine bacterium azoles and tetraconazole is conducted in-depth research by the present inventor, find that pyridine bacterium azoles and tetraconazole carry out mixture, in certain mixed ratio scope, multiple fungus had potentiation, especially gray mold and powdery mildew potentiation are obvious, after further study, the present invention is completed.
Compositions and the application of pyridine bacterium azoles and tetraconazole there is no report at present.
Summary of the invention
It is desirable to provide a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole, said composition has significant synergistic function, can be used for multiple diseases on plant, especially the preventing and treating of gray mold and powdery mildew.
Technical solution of the present invention: a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole, including effective ingredient pyridine bacterium azoles and tetraconazole and conventional auxiliary element, pyridine bacterium azoles and tetraconazole weight ratio in the composition are 20:1～1:1, pyridine bacterium azoles and tetraconazole weight summation percentage by weight in the composition are 1%～80%, and all the other are agriculturally allow to use and acceptable insecticides adjuvant.
Preferably, pyridine bacterium azoles and tetraconazole weight ratio in the composition is 8:1～2:1.
Described auxiliary element is solvent, emulsifying agent, wetting agent, dispersant, stabilizer, antifreezing agent, thickening agent, disintegrating agent, defoamer, penetrating agent, macromolecule cyst material, synergist, preservative and filler etc., it it is all conventional in pesticidal preparations or permission use composition, being not particularly limited, concrete composition and consumption are determined by test according to recipe requirements.
Bactericidal composition of the present invention can be prepared as the multiple application forms used in applicable plant production, and reasonable dosage form has microcapsule suspending agent, suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wettable powder and cream.
Bactericidal composition of the present invention can be used for preventing and treating the multiple diseases to harm plant growing, especially gray mold and powdery mildew.
The production technology of the various application forms of described bactericidal composition all belongs to existing known technology, does not repeat them here.
Compared with prior art, it is an advantage of the current invention that:
1, pyridine bacterium azoles and two kinds of effective ingredient of tetraconazole are composite, have significant synergistic function, are used alone than single dose and significantly improve the prevention effect of disease on plant.
2, pyridine bacterium azoles and two kinds of effective ingredient of tetraconazole are composite, decrease Pesticide use amount, reduce use cost, alleviate the pollution to environment, delayed the drug-fast generation of pathogen, add the service life of pesticide.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention; below in conjunction with embodiment, present disclosure is described further; but limitation of the present invention can not be considered as; the following stated is only used for explaining the present invention; for not necessarily departing from amendment, replacement or the improvement that present invention spirit is made with principle, belong to the scope of protection of present invention.
Embodiment one: 25% pyridine bacterium azoles tetraconazole microcapsule suspending agent
Following material is all weight percentage: pyridine bacterium azoles 20%, tetraconazole 5%, poly-hexylamine lactone 2%, sodium carboxymethyl cellulose 2%, trimethylbenzene 10%, sec-Butyl Acetate 10%, castor oil polyoxyethylene ether 5%, polyoxyethylene polyoxypropylene base ether block copolymers 3%, sodium hydroxide 2%, deionized water complements to 100%.By above-mentioned effective ingredient, macromolecule cyst material, solvent mixing, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined containing emulsifying agent, dispersant, pH adjusting agent aqueous phase solution in, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, can be prepared by 25% pyridine bacterium azoles tetraconazole microcapsule suspending agent.
This embodiment is used for preventing and treating grape grey mould: 25% pyridine bacterium azoles tetraconazole microcapsule suspending agent carries out first time dispenser by 200ga.i./ha consumption at grape grey mould their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect of grape grey mould is 96.31% by 14d；25% pyridine bacterium azoles cream carries out first time dispenser by 300ga.i./ha consumption at grape grey mould their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of grape grey mould is 78.59% by 14d；4% tetraconazole aqueous emulsion carries out first time dispenser by 50ga.i./ha consumption at grape grey mould their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of grape grey mould is 56.94% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect of grape grey mould is used alone significantly better than each single dose, meanwhile, does not find that Fructus Vitis viniferae is produced poisoning by this binary built medicament in process of the test.
Embodiment two: 20% pyridine bacterium azoles tetraconazole suspending agent
Following material is all weight percentage: pyridine bacterium azoles 16%, tetraconazole 4%, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulfate 10%, sodium methylene bis-naphthalene sulfonate 5%, phenethyl phenol polyethenoxy base ether phosphate 5%, propylene glycol 3%, carboxymethyl cellulose 1%, isothiazolone 2%, C10-20 saturated fat acid compounds 0.1%, deionized water supplies 100%.By above-mentioned effective ingredient, wetting agent, dispersant, antifreezing agent, thickening agent, preservative and defoamer sand milling in high speed shear dispersion, sand mill, the high dispersive formed in water-medium, stable suspension system, can be prepared by 20% pyridine bacterium azoles tetraconazole suspending agent.
This embodiment is used for preventing and treating powdery mildew of cucumber: 20% pyridine bacterium azoles tetraconazole suspending agent carries out first time dispenser by 200ga.i./ha consumption at powdery mildew of cucumber their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect of powdery mildew of cucumber is 94.15% by 14d；25% pyridine bacterium azoles cream carries out first time dispenser by 300ga.i./ha consumption at powdery mildew of cucumber their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of powdery mildew of cucumber is 74.29% by 14d；4% tetraconazole aqueous emulsion carries out first time dispenser by 50ga.i./ha consumption at powdery mildew of cucumber their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of powdery mildew of cucumber is 79.46% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect of powdery mildew of cucumber is used alone significantly better than each single dose, meanwhile, does not find that Fructus Cucumidis sativi is produced poisoning by this binary built medicament in process of the test.
Embodiment three: 35% pyridine bacterium azoles tetraconazole aqueous emulsion
Following material is all weight percentage: pyridine bacterium azoles 30%, tetraconazole 5%, methyl naphthalene 10%, Ketohexamethylene 5%, the formaldehyde condensation products 5% of triphenoethyl benzene phenol polyethenoxy ether phosphate 10%, fatty acid glyceride polyoxyethylene ether 3%, methyl naphthalene sulfonic acid sodium, triphenyl phosphite 1%, glycerol 1%, deionized water supplies 100%.Above-mentioned effective ingredient, solvent, emulsifying agent, dispersant and stabilizer are mixed to form oil phase, antifreezing agent dissolves formation aqueous phase in water, slowly oil phase is added in aqueous phase under cutter effect, and continue to shear about 30 minutes, prepare 35% pyridine bacterium azoles tetraconazole aqueous emulsion.
This embodiment is used for preventing and treating graw mold of tomato: 35% pyridine bacterium azoles tetraconazole aqueous emulsion carries out first time dispenser by 200ga.i./ha consumption at graw mold of tomato their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect of graw mold of tomato is 97.57% by 14d；25% pyridine bacterium azoles cream carries out first time dispenser by 300ga.i./ha consumption at graw mold of tomato their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of graw mold of tomato is 76.15% by 14d；4% tetraconazole aqueous emulsion carries out first time dispenser by 50ga.i./ha consumption at graw mold of tomato their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of graw mold of tomato is 53.21% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect of graw mold of tomato is used alone significantly better than each single dose, meanwhile, does not find that Fructus Lycopersici esculenti is produced poisoning by this binary built medicament in process of the test.
Embodiment four: 50% pyridine bacterium azoles tetraconazole microemulsion
Following material is all weight percentage: pyridine bacterium azoles 42%, tetraconazole 8%, methyl naphthalene 10%, Ketohexamethylene 5%, triphen ethyl phenol polyoxyethylene groups ether phosphate 10%, calcium dodecyl benzene sulfonate 5%, triphenyl phosphite 2%, organosilicon 1%, propyl isome 2%, deionized water supplies 100%.Effective ingredient solvent is completely dissolved, then adds emulsifying agent, stabilizer, penetrating agent, synergist mix homogeneously, be eventually adding deionized water, after being sufficiently stirred for, can be prepared by 50% pyridine bacterium azoles tetraconazole microemulsion.
This embodiment is used for preventing and treating powdery mildew of strawberry: 50% pyridine bacterium azoles tetraconazole microemulsion carries out first time dispenser by 200ga.i./ha consumption at powdery mildew of strawberry their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect of powdery mildew of strawberry is 96.98% by 14d；25% pyridine bacterium azoles cream carries out first time dispenser by 300ga.i./ha consumption at powdery mildew of strawberry their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of powdery mildew of strawberry is 72.83% by 14d；4% tetraconazole aqueous emulsion carries out first time dispenser by 50ga.i./ha consumption at powdery mildew of strawberry their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of powdery mildew of strawberry is 77.13% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect of powdery mildew of strawberry is used alone significantly better than each single dose, meanwhile, does not find that Fructus Fragariae Ananssae is produced poisoning by this binary built medicament in process of the test.
Embodiment five: 30% pyridine bacterium azoles tetraconazole cream
Following material is all weight percentage: pyridine bacterium azoles 25%, tetraconazole 5%, trimethylbenzene 10%, Ketohexamethylene 5%, anhydrous sorbitol single-hard ester acid ester polyoxyethylene ether 5%, alkylphenol-polyethenoxy polyethenoxy ether 20%, Butacide 3%, biodiesel 5%, solvent naphtha complements to 100%.Above-mentioned effective ingredient is added after solvent and fully dissolves, be subsequently adding emulsifying agent, synergist becomes the oily liquids of transparent and homogeneous after stirring, can be prepared by 30% pyridine bacterium azoles tetraconazole cream.
This embodiment views and admires Flos Chrysanthemi gray mold for preventing and treating: 30% pyridine bacterium azoles tetraconazole cream carries out first time dispenser by 200ga.i./ha consumption viewing and admiring Flos Chrysanthemi gray mold their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect viewing and admiring Flos Chrysanthemi gray mold is 95.56% by 14d；25% pyridine bacterium azoles cream by 300ga.i./ha consumption view and admire Flos Chrysanthemi gray mold their early stage carry out first time dispenser, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect viewing and admiring Flos Chrysanthemi gray mold is 76.97% by 14d；4% tetraconazole aqueous emulsion by 50ga.i./ha consumption view and admire Flos Chrysanthemi gray mold their early stage carry out first time dispenser, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect viewing and admiring Flos Chrysanthemi gray mold is 54.39% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect viewing and admiring Flos Chrysanthemi gray mold is used alone significantly better than each single dose, meanwhile, does not find that this binary built medicament produces poisoning to viewing and admiring Flos Chrysanthemi in process of the test.
Embodiment six: 70% pyridine bacterium azoles tetraconazole water dispersible granules
Following material is all weight percentage: pyridine bacterium azoles 60%, tetraconazole 10%, sodium butylnaphthalenesulfonate 5%, sodium acrylate and propionic acid amide. copolymer 5%, ammonium sulfate 5%, white carbon 5%, kieselguhr supplies 100%.By above-mentioned effective ingredient, wetting agent, dispersant, disintegrating agent and filler mix homogeneously, pulverize with micro jet, through mediating, it is subsequently adding in fluidized-bed granulation dryer and carries out pelletize, dry, screening, can be prepared by 70% pyridine bacterium azoles tetraconazole water dispersible granules.
This embodiment is used for preventing and treating Citrullus vulgaris powdery mildew: 70% pyridine bacterium azoles tetraconazole water dispersible granules carries out first time dispenser by 200ga.i./ha consumption at Citrullus vulgaris powdery mildew their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect of Citrullus vulgaris powdery mildew is 93.47% by 14d；25% pyridine bacterium azoles cream carries out first time dispenser by 300ga.i./ha consumption at Citrullus vulgaris powdery mildew their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of Citrullus vulgaris powdery mildew is 71.82% by 14d；4% tetraconazole aqueous emulsion carries out first time dispenser by 50ga.i./ha consumption at Citrullus vulgaris powdery mildew their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of Citrullus vulgaris powdery mildew is 79.68% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect of Citrullus vulgaris powdery mildew is used alone significantly better than each single dose, meanwhile, does not find that Citrullus vulgaris is produced poisoning by this binary built medicament in process of the test.
Embodiment seven: 80% pyridine bacterium azoles tetraconazole wettable powder
Following material is all weight percentage: pyridine bacterium azoles 70%, tetraconazole 10%, butyl naphthalene sulfonate 5%, sodium acrylate and propionic acid amide. copolymer 5%, white carbon 5%, attapulgite supplies 100%.By above-mentioned, effective ingredient, wetting agent, dispersant and filler are mixed, then through comminution by gas stream after mechanical activation comminution, mix homogeneously, can be prepared by 80% pyridine bacterium azoles tetraconazole wettable powder.
This embodiment is used for preventing and treating Botrytis cinerea: 80% pyridine bacterium azoles tetraconazole wettable powder carries out first time dispenser by 200ga.i./ha consumption at Botrytis cinerea their early stage, second time dispenser is carried out after 7d, separately setting clear water process as blank, after second time dispenser, the preventive effect of Botrytis cinerea is 96.32% by 14d；25% pyridine bacterium azoles cream carries out first time dispenser by 300ga.i./ha consumption at Botrytis cinerea their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of Botrytis cinerea is 78.21% by 14d；4% tetraconazole aqueous emulsion carries out first time dispenser by 50ga.i./ha consumption at Botrytis cinerea their early stage, carries out second time dispenser after 7d, separately sets clear water process as blank, and after second time dispenser, the preventive effect of Botrytis cinerea is 52.67% by 14d.Visible, obvious synergy after pyridine bacterium azoles and tetraconazole binary built, the lasting period is long, and the preventive effect of Botrytis cinerea is used alone significantly better than each single dose, meanwhile, does not find that Fructus Capsici is produced poisoning by this binary built medicament in process of the test.
Embodiment eight: the Toxicity Determination of grape grey mould is tested
Pyridine bacterium azoles and the composite Toxicity Determination to grape grey mould of tetraconazole are tested, and test method, with reference to " antibacterial indoor bioassay test rule NY/T1156.2-2006 ", adopts mycelial growth rate method.Judging synergism by co-toxicity coefficient method, co-toxicity coefficient (CTC) >=120 shows as potentiation；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Table 1, pyridine bacterium azoles and the tetraconazole indoor joint toxicity measuring result to grape grey mould
| Medicament title and proportioning (weight ratio) | EC50(mg/L) | ATI | TTI | CTC |
| Pyridine bacterium azoles | 3.25 | 100.00 | - | - |
| Tetraconazole | 16.63 | 19.54 | - | - |
| Pyridine bacterium azoles: tetraconazole (20:1) | 2.31 | 140.69 | 96.17 | 146.29 |
| Pyridine bacterium azoles: tetraconazole (15:1) | 2.02 | 160.89 | 94.97 | 169.41 |
| Pyridine bacterium azoles: tetraconazole (10:1) | 1.89 | 171.96 | 92.69 | 185.52 |
| Pyridine bacterium azoles: tetraconazole (8:1) | 1.76 | 184.66 | 91.06 | 202.79 |
| Pyridine bacterium azoles: tetraconazole (6:1) | 1.64 | 198.17 | 88.51 | 223.90 |
| Pyridine bacterium azoles: tetraconazole (4:1) | 1.68 | 193.45 | 83.91 | 230.54 |
| Pyridine bacterium azoles: tetraconazole (2:1) | 2.09 | 155.50 | 73.18 | 212.49 |
| Pyridine bacterium azoles: tetraconazole (1:1) | 2.84 | 114.44 | 59.77 | 191.47 |
As it can be seen from table 1 when pyridine bacterium azoles and tetraconazole are composite in the proportion of 20:1～1:1 (by weight), co-toxicity coefficient (CTC) is all higher than 120, grape grey mould is all shown synergistic function；Pyridine bacterium azoles and tetraconazole are in the proportion of 8:1～2:1 (by weight), and synergistic function is more notable, and co-toxicity coefficient (CTC) is all more than 200；Pyridine bacterium azoles and tetraconazole are composite with 4:1 (by weight) ratio, and synergistic function is the most notable, and co-toxicity coefficient (CTC) is 230.54.Visible, pyridine bacterium azoles and tetraconazole is composite has reasonability and feasibility.
Embodiment nine: the Toxicity Determination of powdery mildew of cucumber is tested
Pyridine bacterium azoles and the composite Toxicity Determination to powdery mildew of cucumber of tetraconazole are tested, test method, with reference to People's Republic of China (PRC) agricultural industry criteria NY/T1156.11-2008 " farm-chemical indoor determination test rule antibacterial the 11st part: preventing and treating cucurbits powdery mildew test pot-culture method ", adopts pot-culture method to measure.Judging synergism by co-toxicity coefficient method, co-toxicity coefficient (CTC) >=120 shows as potentiation；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Table 2, pyridine bacterium azoles and the tetraconazole indoor joint toxicity measuring result to powdery mildew of cucumber
| Medicament title and proportioning (weight ratio) | EC50(mg/L) | ATI | TTI | CTC |
| Pyridine bacterium azoles | 4.37 | 100.00 | - | - |
| Tetraconazole | 2.51 | 174.10 | - | - |
| Pyridine bacterium azoles: tetraconazole (20:1) | 2.73 | 160.07 | 103.53 | 154.61 |
| Pyridine bacterium azoles: tetraconazole (15:1) | 2.47 | 176.92 | 104.63 | 169.09 |
| Pyridine bacterium azoles: tetraconazole (10:1) | 2.19 | 199.54 | 106.74 | 186.94 |
| Pyridine bacterium azoles: tetraconazole (8:1) | 1.98 | 220.71 | 108.23 | 203.93 |
| Pyridine bacterium azoles: tetraconazole (6:1) | 1.81 | 241.44 | 110.59 | 218.32 |
| Pyridine bacterium azoles: tetraconazole (4:1) | 1.69 | 258.58 | 114.82 | 225.20 |
| Pyridine bacterium azoles: tetraconazole (2:1) | 1.73 | 252.60 | 124.70 | 202.57 |
| Pyridine bacterium azoles: tetraconazole (1:1) | 1.86 | 234.95 | 137.05 | 171.43 |
From table 2 it can be seen that when pyridine bacterium azoles and tetraconazole are composite in the proportion of 20:1～1:1 (by weight), co-toxicity coefficient (CTC) is all higher than 120, powdery mildew of cucumber is all shown synergistic function；Pyridine bacterium azoles and tetraconazole are in the proportion of 8:1～2:1 (by weight), and synergistic function is more notable, and co-toxicity coefficient (CTC) is all more than 200；Pyridine bacterium azoles and tetraconazole are composite with 4:1 (by weight) ratio, and synergistic function is the most notable, and co-toxicity coefficient (CTC) is 225.20.Visible, pyridine bacterium azoles and tetraconazole is composite has reasonability and feasibility.
In sum, a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole provided by the invention, obvious synergy, compared with existing unitary agent, prevent and treat the disease effects such as the gray mold on crops and powdery mildew to significantly improve, to Crop securify, be worth popularization and application on producing.
Claims (5)
1. the bactericidal composition containing pyridine bacterium azoles and tetraconazole, it is characterised in that including: effective ingredient pyridine bacterium azoles and tetraconazole, pyridine bacterium azoles and tetraconazole weight ratio in the composition are 20:1～1:1.
2. a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole according to claim 1, it is characterised in that: pyridine bacterium azoles and tetraconazole are 8:1～2:1 in the weight ratio of compositions.
3. a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole according to claim 1 and 2, it is characterized in that: pyridine bacterium azoles and tetraconazole gross weight percentage composition in the composition is 1%～80%, all the other are allow in pesticide to use and acceptable auxiliary element.
4. a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole according to claim 1 and 2, it is characterised in that: the dosage form of described bactericidal composition is the one in microcapsule suspending agent, suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wettable powder and cream.
5. the purposes in preventing and treating crops gray mold and powdery mildew of a kind of bactericidal composition containing pyridine bacterium azoles and tetraconazole described in a claim 1.
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| CN108174859A (en) * | 2018-02-02 | 2018-06-19 | 北京科发伟业农药技术中心 | A kind of bactericidal composition containing Carbatene |
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| CN101087529A (en) * | 2004-12-23 | 2007-12-12 | 巴斯福股份公司 | Fungicidal mixtures |
| WO2009095242A2 (en) * | 2008-01-31 | 2009-08-06 | Isagro Ricerca S.R.L. | Fungicidal mixtures and compositions for the control of phytopathogenic fungi |
| CN102640757A (en) * | 2012-04-13 | 2012-08-22 | 永农生物科学有限公司 | Compound pesticide sterilization composition containing trifloxystrobin |
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2016
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| CN101087529A (en) * | 2004-12-23 | 2007-12-12 | 巴斯福股份公司 | Fungicidal mixtures |
| WO2009095242A2 (en) * | 2008-01-31 | 2009-08-06 | Isagro Ricerca S.R.L. | Fungicidal mixtures and compositions for the control of phytopathogenic fungi |
| CN102640757A (en) * | 2012-04-13 | 2012-08-22 | 永农生物科学有限公司 | Compound pesticide sterilization composition containing trifloxystrobin |
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| CN108174859A (en) * | 2018-02-02 | 2018-06-19 | 北京科发伟业农药技术中心 | A kind of bactericidal composition containing Carbatene |
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