CN102461514A - Bactericidal composition containing chlorothalonil and tebuconazole as well as application thereof - Google Patents
Bactericidal composition containing chlorothalonil and tebuconazole as well as application thereof Download PDFInfo
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- CN102461514A CN102461514A CN2010105417681A CN201010541768A CN102461514A CN 102461514 A CN102461514 A CN 102461514A CN 2010105417681 A CN2010105417681 A CN 2010105417681A CN 201010541768 A CN201010541768 A CN 201010541768A CN 102461514 A CN102461514 A CN 102461514A
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- tebuconazole
- tpn
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Abstract
The invention provides a bactericidal composition containing chlorothalonil and tebuconazole as well as application thereof. The bactericidal composition containing the chlorothalonil and the tebuconazole is characterized by containing the chlorothalonil and the tebuconazole, can be used for preventing and controlling various fungal diseases on fruit trees, vegetables, cereal crops and the like, and is particularly applicable to preventing and controlling wheat powdery mildew. The bactericidal composition provided by the invention has good prevention effect, long efficacy duration, remarkable synergistic effect after the containing chlorothalonil and the tebuconazole are composited, can reach better effect even if respective dosage of single-dose is reduced, and lower cost, and is free of using organic solvent, environmental-friendly, and convenient to transport and store.
Description
Technical field
The present invention relates to a kind of bactericidal composition and application thereof, relating in particular to a kind of is the bactericidal composition and the application thereof of active component with tpn and Tebuconazole.
Background technology
Tpn (chlorothalonil), chemical name: 2,4,5,6-tetrachloro-1, the 3-dicyanobenzenes, molecular formula: C8N2Cl4 is a kind of efficient, low toxicity, broad-spectrum germicide, and the effect of protection and treatment is arranged.The mechanism of action is to have an effect with the glyceraldehyde 3-phosphate dehydrogenase among the fungal cell, ties mutually entirely with the protein that contains cysteine in this enzyme, thereby destroys this enzymic activity, fungal cell's metabolism is damaged and loses one's life power.Inhale conduction in tpn does not have, but after being sprayed onto on the plant corpus, good tackness can be arranged on body surface, be difficult for being fallen, so the drug effect phase is longer by rain drop erosion.Be mainly used in the control of rust, anthracnose, powdery mildew, downy mildew on fruit tree, the vegetables
Tebuconazole (Tebuconazole), chemical name: (RS)-and 1-(4-chlorphenyl)-4,4-dimethyl-3-(1H-1; 2,4 triazol-1-yl methyl) penta-3-alcohol, molecular formula: C16H22ClN3O; Belong to triazole bactericidal agent; Be the sterol demethylation inhibitor, it can make pathogen can't form cell membrane, thus kill pathogenic bacteria.Tebuconazole is a high-efficiency broad spectrum type systemic fungicide of new generation, the tool protection, and treatment and eradicant action, fungicidal spectrum is wide; Lasting period is long, is to be used for the seed treatment of important economic crops or the efficient germicide of foliage spray, adaptable across multiple fungal disease of control such as scabs such as fruit tree, vegetables, rape, peanut, grape, tea tree, lawn, ornamental plants in garden and various cereal crops; Various leaf spots, leaf mold, powdery mildew; Rust, anthracnose, head blight etc.
A kind of pesticide active ingredient uses on same disease for a long time, repeatedly, and disease is developed immunity to drugs, thereby reduces drug effect; Increase use cost, prevent drug-fast generation, a kind of method is the new pesticide active ingredient of exploitation; But developed a kind of new pesticide active ingredient 5～10 years; Expensive more than one hundred million dollars obviously is very difficult, and will have the composite use of pesticide active ingredient of two kinds of different sterilization mechanisms of synergistic effect; Also can delay and administer the pesticide resistance of pathogen, increase preventive effect.Simultaneously, if adopt the high pesticide active ingredient of the low pesticide active ingredient of a kind of price and other a kind of price composite, can also reach the effect that reduces the agricultural chemicals use cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of bactericidal composition and application that contains tpn and Tebuconazole, to overcome the above-mentioned defective that prior art exists, satisfies the needs in relevant field.
The bactericidal composition that contains tpn and Tebuconazole of the present invention contains tpn and Tebuconazole;
The part by weight of tpn and Tebuconazole is: tpn: Tebuconazole=1～9: 1, further be preferably 3～7: 1.
The described bactericidal composition that contains tpn and Tebuconazole also comprises auxiliary agent, and the weight percentage of tpn and Tebuconazole is 10～80% of a composition total weight, further is preferably 30～75%;
Described auxiliary agent comprises more than one in dispersant, wetting agent, disintegrant, filler, antifreezing agent, antifoaming agent or the thickener;
Described dispersant is selected from more than one in polycarboxylate, lignosulfonates, APES, APES formaldehyde condensation products sulphate, alkylnaphthalene sulfonate, alkylbenzenesulfonate, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, aliphatic amine polyoxyethylene ether or the aliphatic acid polyethenoxy ether;
Described wetting agent is selected from neopelex, dodecyl phenenyl sulfate, potassium oleate, enuatrol, dioctyl sodium sulfosuccinate, nekal, alkyl polyoxyethylene ether sulfonate, spaonin powder, silkworm excrement, the soapberry powder one kind more than the kind;
Described disintegrant is selected from more than one in bentonite, urea, sodium bicarbonate, ammonium sulfate, sodium carbonate, citric acid or the aluminium chloride;
Described filler is selected from more than one in talcum powder, kaolin, potter's clay, diatomite, white carbon black, attapulgite, starch or the precipitated calcium carbonate;
Said antifreezing agent is selected from more than one of ethylene glycol, propane diols, glycerine or urea or sodium chloride;
Said antifoaming agent is selected from more than one in silicone oil, organosilicon ketone, C8～C10 fatty alcohol, C8～C20 saturated fatty acid or the C8～C20 polyunsaturated fatty acid ester;
Said thickener is selected from a kind of in carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, sodium carboxymethyl starch, polyvinylpyrrolidone, xanthans or the polyvinyl alcohol Magnesiumaluminumsilicate;
The bactericidal composition that contains tpn and Tebuconazole of the present invention, for tpn and Tebuconazole and known auxiliary agent and excipient are re-dubbed any formulation on the agricultural chemicals, reasonable is wetting powder, dispersibility granula and suspending agent.
When the described bactericidal composition that contains tpn and Tebuconazole is wetting powder; The percentage by weight of each component is formed as follows: tpn: 5～72%, and Tebuconazole: 1～40%, dispersant: 3～15%; Wetting agent: 2～12%, filler: complement to 100%.
Each is formed component mix, after airslide disintegrating mill is pulverized, can obtain tpn Tebuconazole wetting powder;
When the described bactericidal composition that contains tpn and Tebuconazole was the dispersibility granula, the percentage by weight of each component was formed as follows: tpn: 5～72%, and Tebuconazole: 1～40%; Dispersant: 3～15%; Wetting agent: 2～10%, disintegrant: 1～6%, filler: complement to 100%.
Each is formed component and fully mixes, and pulverizes through airslide disintegrating mill, and grain size screening gets the semi-finished product of required particle diameter, sends that the fluidized bed granulation dryer is granulated, drying to, obtains tpn Tebuconazole dispersibility granula.
When the described bactericidal composition that contains tpn and Tebuconazole was suspending agent, each component was formed as follows: tpn: 5～72%, and Tebuconazole: 1～40%; Dispersant: 3～12%; Wetting agent: 2～10%, thickener: 0～2%, antifoaming agent: 0～0.2%; Antifreezing agent: 0～2%, water complements to 100%.
Dispersant, wetting agent, thickener, antifoaming agent, antifreezing agent, water are sheared evenly through the high speed dispersion clipper, added tpn and Tebuconazole, ball milling is 3 hours in ball mill, and particle diameter promptly makes the tpn tebuconazole suspension concentrates during less than 5 μ m.
The described bactericidal composition that contains tpn and Tebuconazole can be used for preventing and treating multiple fungal diseases such as fruit tree, vegetables, cereal crop, is particularly useful for preventing and treating wheat powdery mildew.
Bactericidal composition of the present invention compared with prior art has the following advantages:
1, brand-new composite reagent, preventive effect is good, and the lasting period is long.After tpn and Tebuconazole are composite; Have obvious synergistic effect, the single agent consumption that reduces separately also can reach better effect, thereby reduces Toxicity in Crops effect and the adverse effect of having avoided a large amount of medications to bring to environment; Cost is lower, its economic benefit and obvious social benefit.。
2, the active ingredient tpn has different sterilization mechanisms with Tebuconazole in the bactericidal composition of the present invention, compares with single agent, more should not develop immunity to drugs.
3, not with an organic solvent, environmentally friendly, be convenient to transportation and store.
Embodiment
With embodiment content of the present invention is further described below, but the present invention is not limited thereto.
Embodiment 1
Tpn and Tebuconazole are mixed to the toxicity test of wheat powdery mildew
1) medicament preparation
Tpn solution: accurately taking by weighing the 0.01g weight concentration is the former medicine of 97% tpn; Dissolve with the 0.2ml dimethyl formamide; Add the clear water 97ml that contains 0.1% Tween 80 surfactant; Stir, be mixed with tpn 100mg/L mother liquor, again with the clear water that contains 0.1% Tween 80 surfactant be diluted to 50,25,12.5,6.25,3.125mg/L concentration is subsequent use.
Tebuconazole solution: accurately take by weighing the former medicine of 0.005g96% Tebuconazole; Dissolve with the 0.2ml dimethyl formamide; Add the clear water 96ml that contains 0.1% Tween 80 surfactant; Stir, be mixed with Tebuconazole 50mg/L mother liquor, again with the clear water that contains 0.1% Tween 80 surfactant be diluted to 25,12.5,6.25,3.125,1.5625mg/L concentration is subsequent use.
Solution respectively is mixed: get 5,3,3,3 respectively, 2ml 100mg/L Tebuconazole solution; Add 5,9,15,21 respectively, process the 50mg/L Tebuconazole in the 18ml 100mg/L tpn solution: 1: 1,1: 3,1: 5,1: 7,1: 9 solution of tpn, again with the clear water that contains 0.1% Tween 80 surfactant be diluted to 25,12.5,6.25,3.125,1.5625mg/L concentration is subsequent use.
Contrast solution: the 0.2ml dimethyl formamide adds the clear water that 96ml contains 0.1% Tween 80 surfactant.
2) experimental technique: with reference to romaine lettuce standard method NY/T 1156.4-2006; Adopt pot-culture method: the solution for preparing is evenly sprayed on subsequent use wheat seedling; Behind the soup natural air drying; After chemicals treatment 24 hours, the fresh spore of wheat powdery mildew that the morbidity wheat leaf blade produced in last 24 hour is evenly shaken off to be inoculated on the wheat seedling of processing.Every processing is no less than 3 basins, every basin 10 strains.The experiment establish do not contain medicament processing as blank.Inoculation is placed on temperature 255, cultivates in the greenhouse of relative moisture 70～90%.7 days " Invest, Then Investigate " sick numbers of sheets at different levels adopt the SAS6.12 statistical software to analyze, and calculate disease index and control efficiency according to experimental data, obtain virulence regression equation, correlation coefficient (r) and 95% confidence interval (EC
50), with reference to NY/T 1156.6-2006, estimate the synergistic effect of pharmacy mix according to the co-toxicity coefficient method (CTC) of Sun&Johnson (1960), promptly CTC≤80 are antagonism, 80＜CTC＜120 summation actions, CTC>=120 synergistic effects.
3) evaluation method and evaluation criterion
The combination that is mixed of tpn and Tebuconazole and the two different proportion is seen table 1 to the toxicity test result of wheat powdery mildew.Visible by table one, in 1: 1,1: 3,1: 5,1: 7,1: 9 the combination that is mixed of Tebuconazole and tpn, wheat powdery mildew is all showed synergistic effect, the most obvious with Tebuconazole and 1: 5 the combination synergistic effect that is mixed of tpn especially.
Table 1 tpn and Tebuconazole are mixed to the toxicity test result of wheat powdery mildew
Embodiment 2
Prescription: (percentage by weight)
Tpn 62.5%
Tebuconazole 12.5%
Nekal 5%
Glycerine fatty acid APEO 5%
Kaolin 15%
Mix, pulverize, obtain 75% tpn Tebuconazole wetting powder through airslide disintegrating mill.
Embodiment 3
Prescription: (percentage by weight)
Tpn 40%
Tebuconazole 10%
Neopelex 3%
APES formaldehyde condensation products sulphate 3%
Diatomite 44%
Mix, pulverize, obtain 50% tpn Tebuconazole wetting powder through airslide disintegrating mill.
Embodiment 4
Prescription: (percentage by weight)
Tpn 25%
Tebuconazole 5%
Dodecyl sodium naphthalene sulfonate 3%
Sodium lignin sulfonate 3%
White carbon black 64%
Mix, pulverize, obtain 30% tpn Tebuconazole wetting powder through airslide disintegrating mill.
Embodiment 5
Prescription: (percentage by weight)
Tpn 40%
Tebuconazole 10%
Sodium lignin sulfonate 3%
Aliphatic amine polyoxyethylene ether 5%
Dodecyl naphthalene sulfonic acids 5%
Silicone oil 0.2%
Xanthans 0.5%
Ethylene glycol 1%
Deionized water 37.3%
Mix,, obtain 50% tpn tebuconazole suspension concentrates through ball milling.
Embodiment 6
Prescription: (percentage by weight)
Tpn 25%
Tebuconazole 5%
Polycarboxylate 2%
Aliphatic acid polyethenoxy ether 4%
Dodecyl phenenyl sulfate 4%
Organosilicon ketone 0.2%
Carboxymethyl cellulose 1%
Glycerine 1%
Deionized water 57.8%
Mix,, obtain 50% tpn tebuconazole suspension concentrates through ball milling.
Embodiment 7
Prescription: (percentage by weight)
Tpn 62.5%
Tebuconazole 12.5%
Dodecyl sodium naphthalene sulfonate 4%
Aliphatic amine polyoxyethylene ether 4%
Polycarboxylate 2%
Urea 2%
Starch 13%
Mix, after airslide disintegrating mill was pulverized, granulating and drying obtained 75% tpn Tebuconazole dispersibility granula.
Embodiment 8
Prescription: (percentage by weight)
Tpn 40%
Tebuconazole 10%
APES formaldehyde condensation products sulphate 3%
Aliphatic amine polyoxyethylene ether 3%
Nekal 2%
Citric acid 2%
Ammonium sulfate 2%
Starch 38%
Mix, after airslide disintegrating mill was pulverized, granulating and drying obtained 50% tpn Tebuconazole dispersibility granula.
Embodiment 9
Prescription: (percentage by weight)
Tpn 25%
Tebuconazole 5%
Aliphatic acid polyethenoxy ether 3%
Dioctyl sodium sulfosuccinate 3%
Kaolin 30%
Sodium bicarbonate 2%
Starch 32%
Mix, after airslide disintegrating mill was pulverized, granulating and drying obtained 30% tpn Tebuconazole dispersibility granula.
Embodiment 10
Tpn and Tebuconazole and the experiment of composite control wheat powdery mildew field efficacy thereof
At the wheat powdery mildew their early stage, dispenser in per 7 days once is total to dispenser twice, and observe disease indexs in 14 days behind the last medicine and calculate preventive effect, and statistics end product quality and output.Experimental result is seen table 2.
Table 2: the effect experiment of tpn, Tebuconazole and complex preparation control wheat powdery mildew thereof
The field efficacy explanation, the complex preparation of tpn of the present invention and Tebuconazole has the better prevention effect to wheat powdery mildew; More single agent has obvious synergistic effect; And the lasting period is long, and the wheatear grain is fuller, and wheat yield obviously increases production; Amount of increase in production reaches more than 10%, is comparatively ideal bactericide.
Claims (6)
1. contain the bactericidal composition of tpn and Tebuconazole, it is characterized in that, contain tpn and Tebuconazole.
2. the bactericidal composition that contains tpn and Tebuconazole according to claim 1 is characterized in that, the part by weight of tpn and Tebuconazole is: tpn: Tebuconazole=1～9: 1.
3. the bactericidal composition that contains tpn and Tebuconazole according to claim 1 is characterized in that, the part by weight of tpn and Tebuconazole is: be 3～7: 1.
4. according to claim 1, the 2 or 3 described bactericidal compositions that contain tpn and Tebuconazole; It is characterized in that; For tpn and Tebuconazole and known auxiliary agent and excipient are re-dubbed any formulation on the agricultural chemicals, reasonable is wetting powder, dispersibility granula and suspending agent.
5. the bactericidal composition that contains tpn and Tebuconazole according to claim 4 is characterized in that, the weight percentage of tpn and Tebuconazole is 10～80% of a composition total weight.
6. according to each described application that contains the bactericidal composition of tpn and Tebuconazole of claim 1～14, it is characterized in that, be used to prevent and treat fruit tree, vegetables, the multiple fungal disease of cereal crop, be particularly useful for preventing and treating wheat powdery mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105417681A CN102461514A (en) | 2010-11-12 | 2010-11-12 | Bactericidal composition containing chlorothalonil and tebuconazole as well as application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105417681A CN102461514A (en) | 2010-11-12 | 2010-11-12 | Bactericidal composition containing chlorothalonil and tebuconazole as well as application thereof |
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| CN102461514A true CN102461514A (en) | 2012-05-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015169201A1 (en) * | 2014-05-09 | 2015-11-12 | Rotam Agrochem International Company Limited | A synergistic fungicidal composition comprising tebuconazole and chlorothalonil |
| WO2016203154A1 (en) * | 2015-06-19 | 2016-12-22 | Phyteurop S.A. | Process for treating perennial plant wood diseases |
| CN106665591A (en) * | 2015-11-09 | 2017-05-17 | 郭秦 | Compound smoke agent containing chlorothalonil and hexaconazole |
| CN108464306A (en) * | 2018-04-23 | 2018-08-31 | 江苏邦盛生物科技有限责任公司 | A kind of slow-release Bravo tebuconazole suspension concentrates and preparation method thereof |
| CN108651447A (en) * | 2018-04-23 | 2018-10-16 | 江苏邦盛生物科技有限责任公司 | A kind of oil-suspending agent and preparation method thereof containing Tebuconazole and Bravo |
| CN112715564A (en) * | 2020-12-30 | 2021-04-30 | 江阴苏利化学股份有限公司 | Pesticide composition containing tebuconazole and chlorothalonil and application thereof |
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| CN1653903A (en) * | 2005-01-31 | 2005-08-17 | 南京农业大学 | Method for treating drug resistant fusarium blight |
| CN1994082A (en) * | 2006-01-06 | 2007-07-11 | 河北省农林科学院植物保护研究所 | A compound bactericidal agent for controlling anthracnose of fruits and vegetables |
| CN1994085A (en) * | 2006-01-06 | 2007-07-11 | 河北省农林科学院植物保护研究所 | A compound bactericide for controlling plant powdery mildew |
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2010
- 2010-11-12 CN CN2010105417681A patent/CN102461514A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1653903A (en) * | 2005-01-31 | 2005-08-17 | 南京农业大学 | Method for treating drug resistant fusarium blight |
| CN1994082A (en) * | 2006-01-06 | 2007-07-11 | 河北省农林科学院植物保护研究所 | A compound bactericidal agent for controlling anthracnose of fruits and vegetables |
| CN1994085A (en) * | 2006-01-06 | 2007-07-11 | 河北省农林科学院植物保护研究所 | A compound bactericide for controlling plant powdery mildew |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015169201A1 (en) * | 2014-05-09 | 2015-11-12 | Rotam Agrochem International Company Limited | A synergistic fungicidal composition comprising tebuconazole and chlorothalonil |
| WO2016203154A1 (en) * | 2015-06-19 | 2016-12-22 | Phyteurop S.A. | Process for treating perennial plant wood diseases |
| FR3037479A1 (en) * | 2015-06-19 | 2016-12-23 | Phyteurop S A | PROCESS FOR TREATING WOOD DISEASES OF PERENNIAL PLANTS |
| CN106665591A (en) * | 2015-11-09 | 2017-05-17 | 郭秦 | Compound smoke agent containing chlorothalonil and hexaconazole |
| CN108464306A (en) * | 2018-04-23 | 2018-08-31 | 江苏邦盛生物科技有限责任公司 | A kind of slow-release Bravo tebuconazole suspension concentrates and preparation method thereof |
| CN108651447A (en) * | 2018-04-23 | 2018-10-16 | 江苏邦盛生物科技有限责任公司 | A kind of oil-suspending agent and preparation method thereof containing Tebuconazole and Bravo |
| CN112715564A (en) * | 2020-12-30 | 2021-04-30 | 江阴苏利化学股份有限公司 | Pesticide composition containing tebuconazole and chlorothalonil and application thereof |
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Application publication date: 20120523 |