CN101658173A - Sterilization composition containing tetraconazole - Google Patents
Sterilization composition containing tetraconazole Download PDFInfo
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- CN101658173A CN101658173A CN200910163766A CN200910163766A CN101658173A CN 101658173 A CN101658173 A CN 101658173A CN 200910163766 A CN200910163766 A CN 200910163766A CN 200910163766 A CN200910163766 A CN 200910163766A CN 101658173 A CN101658173 A CN 101658173A
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- tetraconazole
- fluoxastrobin
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- bactericidal composition
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Abstract
The invention discloses a sterilization composition which contains tetraconazole and azoxystrobin, wherein the weight ratio of the tetraconazole and the azoxystrobin is 80:1-1:80; the total weight percentage content of active ingredients is 1-80%, and the balance of auxiliary element which allowed to be used in or can be accepted by pesticide. The sterilization composition can be used for controlling diseases of multiple cereal crops, melons and fruits as well as vegetables caused by oomycetes, ascomycetes, basidiomycetes, imperfect fungi and the like, and has important functions such as synergy, delayed drug resistance, reduced cost, expanded prevention and treatment spectrum and the like.
Description
Technical field
The present invention relates to a kind of bactericidal composition, especially a kind of binary built bactericidal composition that contains tetraconazole.
Background technology
Tetraconazole (tetraconazole) has another name called fluorine ether azoles, is triazole bactericidal agent, is sterol demethylation inhibitor, inhales conduction in having, and good protection and therapeutic activity are arranged.This medicament all has application on cereal crop, fruit tree, vegetables and ornamental plants, can prevent and treat wheat powdery mildew, loose smut of wheat, wheat rust, the bunt of wheat, wheat glume blight, barley leaf blotch, loose smut of barley, barley banded sclerotial blight, maize head smut, head smut of sorghum, melon and fruit powdery mildew, sigatoka, alternaria leaf spot of apple, pear scab and grape powdery mildew etc.
In the real process of agricultural production, preventing and treating the most incidental problem of disease is the drug-fast generation of germ.The agent of chronic administration agricultural chemicals list lures that easily disease produces serious resistance into.Being undertaken compositely by tetraconazole and other active ingredient, is the effective way of avoiding the resistance germ to produce.Composite between the different active ingredients, according to the effect of practical application, judge that composite is synergy or antagonism.The prescription that compound synergic is good can significantly improve actual control efficiency, reduces the usage amount of agricultural chemicals, thereby delays the generation speed of germ resistance.
In view of this, develop the synergistic composition that contains tetraconazole and have important application value.
Summary of the invention
The bactericidal composition that the purpose of this invention is to provide a kind of efficient, safety, environmental protection is to satisfy the needs of agricultural production, and the active component that is comprised in the composition has synergistic effect mutually, can improve preventive effect and is of value to and delays the drug-fast generation of germ.
Technical scheme of the present invention is as follows:
A kind of bactericidal composition, it is characterized in that with tetraconazole and Fluoxastrobin be active component, the weight ratio of tetraconazole and Fluoxastrobin is 80: 1～1: 80, and two kinds of active component gross weight percentage compositions are 1～80% in the composition, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Described Fluoxastrobin (Azoxystrobin) is a kind of methoxy acrylate series bactericidal agent, and efficient, wide spectrum, tool are protected, treat, root out, permeated, interior suction multi-efficiency.Fluoxastrobin infects spore germination and mycelia by inhibition pathogen breathing production capacity process and is suppressed, thereby causes pathogen loss of life power.
As a kind of improvement of the present invention, in the composition active component tetraconazole and Fluoxastrobin preferably weight ratio be 20: 1～1: 20, two kinds of active component gross weight percentage compositions are 1～50% in the composition.
Composition pesticide of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, and reasonable formulation is wetting powder, suspending agent, water dispersible granules, aqueous emulsion and microemulsion.
The auxiliary agent that uses in the composition of the present invention comprises that solvent, dispersant, emulsifier, stabilizing agent, antifreezing agent, thickener etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation, all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to prescription.
Bactericidal composition of the present invention can be prevented and treated the plurality of plant diseases that disease funguses such as oomycetes, sac fungi, basidiomycetes, imperfect fungus cause, be applicable to the crop pest of control cereal class, various melon and fruit, vegetables, particularly prevent and treat crop pests such as paddy rice, wheat, capsicum, apple, banana, mango, cucumber, tomato, as wheat powdery mildew, apple rust, cladosporium leaf and fruit mould of tomato, mango anthracnose, powdery mildew of cucumber, banana freckle, citrus scab, leaf spot of peanut etc.
Compared with prior art, beneficial effect of the present invention is:
1, synergistic effect is remarkable.Mixed composition is compared bactericidal effect with single agent and is obviously improved owing to the action site that has increased the target fungi,
2, after drug effect improved, the amount of application of active ingredient and medication number of times reduced, and have reduced drug cost, have reduced the pollution to environment.
3, help resistance management.The mechanism of action of two active ingredients is different fully in the composition, has reduced the single selection pressure to germ, does not have mutual pesticide resistance, therefore can avoid and delay the drug-fast generation of germ.
4, enlarge fungicidal spectrum.Because the fungicidal spectrum of two kinds of active ingredients is variant,, composition can play the double effect of controlling of a medicine so mixing when sending out in multiple diseases.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.The following stated only is the present invention embodiment preferably, only in order to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of being made within the spirit and principles in the present invention, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
The example of formulations of bactericidal composition of the present invention:
1, wetting powder embodiment
Pesticide activity component tetraconazole and Fluoxastrobin, auxiliary agent, filler are mixed the mixed again wetting powder that gets behind comminution by gas stream in proportion.Capital equipment: mixer, airslide disintegrating mill.
Embodiment 1:80% tetraconazole Fluoxastrobin wetting powder
94% tetraconazole (active component) 31.91g
93% Fluoxastrobin (active component) 53.76g
Sodium lignin sulfonate (dispersant) 5g
Lauryl sodium sulfate (wetting agent) 5g
Diatomite 4.33g
Embodiment 2:40.5% tetraconazole Fluoxastrobin wetting powder
94% tetraconazole (active component) 42.55g
93% Fluoxastrobin (active component) 0.54g
Sodium lignin sulfonate (dispersant) 5g
The withered powder of tea (dispersant) 5g
Draw back powder (wetting agent) 1g
White carbon (filler) 1g
Attapulgite (filler) 44.91g
2, suspending agent embodiment
Press formula rate, with pesticide activity component tetraconazole with after Fluoxastrobin, surfactant, thickener, film forming agent, carrier or filler and part water mix, through high speed shear, the wet method sand milling, make semi-finished product, moisturizing mixes filtration and promptly obtains finished product after analyzing.
Embodiment 3:40.5% tetraconazole Fluoxastrobin suspending agent
94% tetraconazole (active component) 0.53g
93% Fluoxastrobin (active component) 43.01g
Methyl naphthalene sulfonate formaldehyde condensate (wetting agent) 10g
Xanthans (thickener) 2g
Bentonite (filler) 1g
Glycerine (antifreeze) 5g
Water 38.46g
Embodiment 4:11% tetraconazole Fluoxastrobin suspending agent
94% tetraconazole (active constituent) 10.64g
93% Fluoxastrobin (active component) 1.08g
Sodium lignin sulfonate (dispersant) 1g
Magnesiumaluminumsilicate (thickener) 1g
Ethylene glycol (antifreezing agent) 5g
White carbon (filler) 2g
Bentonite (filler) 2g
Water 77.28g
3, water-dispersible granules embodiment
Pesticide activity component tetraconazole is mixed in proportion with Fluoxastrobin, auxiliary agent and filler,, add the water of 15-20% then, make the water dispersible granules product through kneading, granulation, drying, screening through comminution by gas stream.Capital equipment: mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying equipment (drying room or fluid bed).Embodiment 5:50% tetraconazole azoxystrobin water dispersible granule
94% tetraconazole (active component) 10.64g
93% Fluoxastrobin (active component) 43.01g
Sodium lignin sulfonate (dispersant) 5g
The withered powder of tea (dispersant) 2g
Lauryl sodium sulfate (wetting agent) 2g
Bentonite 37.35g
Embodiment 6:10.5% tetraconazole azoxystrobin water dispersible granule
94% tetraconazole (active component) 0.53g
93% Fluoxastrobin (active component) 10.75g
Sodium lignin sulfonate (dispersant) 5g
Methyl naphthalene sulfonate formaldehyde condensate (dispersant) 15g
Lauryl sodium sulfate (dispersant) 5g
Sodium alginate (filler) 5g
Potter's clay 58.72g
4, microemulsion, aqueous emulsion embodiment
By each set of dispense ratio, in solvent and cosolvent, the adding surfactant mixes and makes oil phase with tetraconazole and Fluoxastrobin solubilization of active ingredient.With water-soluble component and the mixed water that gets of water, again oil phase is added aqueous phase or water and add in the oil phase, the limit edged stirs, and makes microemulsion or aqueous emulsion.
Embodiment 7:21% tetraconazole azoxystrobin water emulsion
94% tetraconazole (active component) 21.28g
93% Fluoxastrobin (active component) 1.08g
DMF (solvent) 5g
Cyclohexanol (solvent) 10g
Glycerine (antifreezing agent) 5g
Phenethyl phenol polyethenoxy ether (emulsifier) 10g
Calcium dodecyl benzene sulfonate (wetting agent) 5g
Water 42.64g
Embodiment 8:1% tetraconazole Fluoxastrobin microemulsion
94% tetraconazole (active component) 0.53g
93% Fluoxastrobin (active component) 0.54g
DMF (solvent) 10g
Dimethylbenzene (solvent) 10g
Propane diols (cosolvent) 5g
Castor oil polyoxyethylene ether (emulsifier) 10g
Calcium dodecyl benzene sulfonate (wetting agent) 5g
Water 58.93g
The indoor biometrics Application Example:
1, tetraconazole and azoxystrobin compound are to the powdery mildew of cucumber Toxicity Determination
Subjects: the powdery mildew of cucumber bacterium (Sphaerotheca fuligenea) of picking up from the field
Test method: with reference to " the agricultural industry criteria NY/T 1156.11-2008 of the People's Republic of China (PRC) " pot-culture method.2 potted plant cucumber seedlings of leaf period choosing the growing way basically identical are as experiment material, and 5 basins are selected in each processing for use, and numbering is for examination.Get the sick leaf of the powdery mildew of cucumber of picking up from the field, evenly shake off conidium and inoculate above cucumber seedling, carry out chemicals treatment behind the inoculation 24h, test medicine is referring to table 1.Under 50PSI pressure, spray every basin 5mL with the Potter spray tower.To spray the blank that is treated to of equivalent clear water.After the spraying cucumber seedling being put into the greenhouse cultivates.Investigate whole blades and record statistics, calculate disease index and control efficiency according to the morbidity grade scale of powdery mildew of cucumber behind the 7d.
Control efficiency is converted into probability value (y), and liquor strength (mg/L) converts logarithm value (x) to, calculates concentration EC in virulence equation and the inhibition with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ reagent agent EC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
CTC≤80, the composition performance is antagonism, 80＜CTC＜120, the composition performance is summation action, CTC 〉=120, the composition performance is synergistic effect.
Table 1 measurement result shows that tetraconazole and Fluoxastrobin have synergistic effect to the powdery mildew of cucumber bacterium between proportioning 80: 1～1: 80, and especially between 20: 1～1: 20, synergistic effect is more obvious, and co-toxicity coefficient is more than 270.
Table 1 tetraconazole and azoxystrobin compound are to the Toxicity Determination result of powdery mildew of cucumber bacterium
| Handle | ??EC 50(mg/L) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Tetraconazole | ??9.43 | ??100.0 | ??- | ?- |
| Fluoxastrobin | ??6.16 | ??153.08 | ??- | ?- |
| Tetraconazole 1: Fluoxastrobin 80 | ??3.34 | ??282.34 | ??152.21 | ?185.49 |
| Tetraconazole 1: Fluoxastrobin 40 | ??2.83 | ??333.22 | ??151.79 | ?219.52 |
| Tetraconazole 1: Fluoxastrobin 20 | ??1.93 | ??488.60 | ??150.56 | ?324.53 |
| Tetraconazole 1: Fluoxastrobin 5 | ??1.79 | ??526.82 | ??144.24 | ?365.24 |
| Tetraconazole 1: Fluoxastrobin 1 | ??2.49 | ??378.71 | ??126.54 | ?299.28 |
| Tetraconazole 5: Fluoxastrobin 1 | ??2.86 | ??329.72 | ??108.85 | ?302.92 |
| Tetraconazole 20: Fluoxastrobin 1 | ??3.32 | ??284.04 | ??102.53 | ?277.03 |
| Tetraconazole 40: Fluoxastrobin 1 | ??5.53 | ??170.52 | ??101.29 | ?168.34 |
| Tetraconazole 80: Fluoxastrobin 1 | ??6.05 | ??155.87 | ??100.87 | ?154.52 |
2, tetraconazole and azoxystrobin compound are to the mango anthracnose Toxicity Determination.
Subjects: mango anthracnose bacterium (Colletotrichum gloeosporioides), pick up from the field and through three purifies and separates.
Test method: with reference to " the agricultural industry criteria NY/T 1156.2-2006 of the People's Republic of China (PRC) " mycelial growth rate method.The mango anthracnose bacterium is used the PDA medium culture, when treating that bacterium colony has just covered with culture dish, is that the card punch of 7mm punches from the edge with internal diameter, and the mycelia piece that breaks into is as inoculum.Take soup 5mL that aqua sterilisa prepares and quantitative 75mL sterilising medium respectively and mix, make 4 pastille flat boards, be mixed into contrast with equivalent sterile water and medium.The inversion of mycelia piece is connected to dull and stereotyped central authorities, and in 28 ℃ of incubators, cultivates.Behind the 7d, measure colony diameter, calculate and respectively handle the clean amount of growth of bacterium colony, mycelial growth inhibition rate with the right-angled intersection method.
The clean amount of growth of bacterium colony (mm)=measurement colony diameter-7
Mycelial growth inhibition rate (%)=[(the clean amount of growth of the control group bacterium colony-clean amount of growth of processed group bacterium colony)/clean amount of growth of control group bacterium colony] * 100
Mycelial growth inhibition rate is converted into probability value (y), and liquor strength (mg/L) converts logarithm value (x) to, calculates concentration EC in virulence equation and the inhibition with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.
Table 2 measurement result shows that tetraconazole and Fluoxastrobin have obvious synergistic effect to mango anthracnose between proportioning 1: 80～80: 1, and especially between 1: 20～20: 1, synergistic effect is more obvious, and co-toxicity coefficient is more than 270.
Table 2 tetraconazole and azoxystrobin compound are to the Toxicity Determination result of mango anthracnose bacterium
| Handle | ??EC 50(mg/L) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Tetraconazole | ??10.02 | ??100.0 | ??- | ?- |
| Fluoxastrobin | ??6.38 | ??157.05 | ??- | ?- |
| Tetraconazole 1: Fluoxastrobin 80 | ??3.63 | ??276.03 | ??156.12 | ?176.81 |
| Tetraconazole 1: Fluoxastrobin 40 | ??3.25 | ??308.31 | ??155.66 | ?198.06 |
| Tetraconazole 1: Fluoxastrobin 20 | ??2.04 | ??491.18 | ??154.34 | ?318.25 |
| Tetraconazole 1: Fluoxastrobin 5 | ??1.83 | ??547.54 | ??147.54 | ?371.10 |
| Tetraconazole 1: Fluoxastrobin 1 | ??2.59 | ??386.87 | ??128.53 | ?301.01 |
| Tetraconazole 5: Fluoxastrobin 1 | ??3.09 | ??324.27 | ??109.51 | ?296.11 |
| Tetraconazole 20: Fluoxastrobin 1 | ??3.51 | ??285.47 | ??102.72 | ?277.92 |
| Tetraconazole 40: Fluoxastrobin 1 | ??5.97 | ??167.84 | ??101.39 | ?165.54 |
| Tetraconazole 80: Fluoxastrobin 1 | ??6.33 | ??158.29 | ??100.94 | ?156.83 |
The field efficacy Application Example:
Tetraconazole and azoxystrobin compound are to preventing and treating the field trial of powdery mildew of cucumber.
(1) test is handled: this test medicine is handled and consumption sees Table 3, and the contrast medicament is respectively commercially available agricultural chemicals 4% tetraconazole aqueous emulsion and 25% Fluoxastrobin suspending agent, and other establishes the clear water contrast.
(2) test method: test and Selection is carried out the condition basically identicals such as cucumber growing way, other agricultural chemicals and rich water quality management that each is handled in the more serious green cucumber plot of powdery mildew over the years.Carry out the dispenser first time in the powdery mildew of cucumber initial stage of origination, sprayed once every 7 days later on, spray altogether 3 times.10 days investigation powdery mildew incidences before medicine and after the 3rd dispenser, repeat four sub-districts of every processing, and 2 strains are investigated in every sub-district, and whole blades are investigated in every strain.Calculate disease index and preventive effect.
(3) result of the test is as follows:
By field control effectiveness test result (table 3) as can be seen: tetraconazole or the agent of Fluoxastrobin list are respectively 81.10% to the preventive effect of powdery mildew of cucumber, 82.46%, and embodiment of the invention bactericidal composition is significantly increased in preventive effect, minimum preventive effect is 86.04%, be up to 95.26%, particularly tetraconazole and Fluoxastrobin weight ratio are that (embodiment 1 in 20: 1～1: 20,4,5,6,7,8) time, preventive effect promotes particularly evident, the powdery mildew of cucumber preventive effect has been reached more than 93%, therefore, from field control effectiveness test, tetraconazole and azoxystrobin compound are good to the powdery mildew of cucumber control efficiency, have synergistic function.
Table 3 tetraconazole and azoxystrobin compound are to the field test results of powdery mildew of cucumber
| Reagent agent | Dosage (ga.i./ha) | Disease index before the medicine | Disease index behind the medicine | Preventive effect (%) |
| 4% tetraconazole EW | ??50 | ??1.2 | ??6.7 | ??81.10 |
| 25% Fluoxastrobin SC | ??225 | ??1.1 | ??5.7 | ??82.46 |
| Embodiment 1 | ??102 | ??1.3 | ??2.3 | ??94.01 |
| Embodiment 2 | ??40 | ??0.8 | ??3.3 | ??86.04 |
| Embodiment 3 | ??175 | ??0.9 | ??3.6 | ??86.46 |
| Embodiment 4 | ??55 | ??1.3 | ??2.2 | ??94.27 |
| Embodiment 5 | ??120 | ??1.0 | ??1.4 | ??95.26 |
| Embodiment 6 | ??148 | ??1.3 | ??2.3 | ??94.01 |
| Embodiment 7 | ??56 | ??1.1 | ??2.1 | ??93.54 |
| Embodiment 8 | ??85 | ??1.2 | ??1.7 | ??95.21 |
| ??CK | ??- | ??1.1 | ??32.5 | ??- |
Claims (7)
1, a kind of bactericidal composition is characterized in that: active component is tetraconazole and Fluoxastrobin.
2, bactericidal composition according to claim 1 is characterized in that: the weight ratio of active component tetraconazole and Fluoxastrobin is 80: 1～1: 80.
3, bactericidal composition according to claim 2 is characterized in that: the weight ratio of active component tetraconazole and Fluoxastrobin is 20: 1～1: 20%.
4, according to each described bactericidal composition of claim 1 to 3, it is characterized in that: two kinds of active component gross weight percentage compositions are 1～80% in the composition
5, according to each described bactericidal composition of claim 1 to 3, it is characterized in that: two kinds of active component gross weight percentage compositions are 1～50 in the composition
6, according to each described bactericidal composition of claim 1 to 3, it is characterized in that: the formulation of composition is wetting powder, suspending agent, water dispersible granules, aqueous emulsion and microemulsion.
7, according to each described bactericidal composition of claim 1 to 3, it is characterized in that: composition is applied to prevent and treat cereal class, fruit tree and vegetable disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910163766A CN101658173A (en) | 2009-08-16 | 2009-08-16 | Sterilization composition containing tetraconazole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910163766A CN101658173A (en) | 2009-08-16 | 2009-08-16 | Sterilization composition containing tetraconazole |
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| CN101658173A true CN101658173A (en) | 2010-03-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779674B (en) * | 2009-12-16 | 2012-07-04 | 福建新农大正生物工程有限公司 | Sterilization composition containing tetraconazole |
| CN105076155A (en) * | 2014-05-08 | 2015-11-25 | 江苏龙灯化学有限公司 | Plant disease preventing and treating composition |
| CN105076147A (en) * | 2014-05-08 | 2015-11-25 | 江苏龙灯化学有限公司 | Bactericidal and insecticidal composition |
| CN105265446A (en) * | 2014-07-18 | 2016-01-27 | 中化农化有限公司 | Pesticide combination containing fenaminstrobin and tetraconazole |
| CN106259374A (en) * | 2016-08-20 | 2017-01-04 | 田文华 | A kind of containing fluoxastrobin with the bactericidal composition of tetraconazole |
-
2009
- 2009-08-16 CN CN200910163766A patent/CN101658173A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779674B (en) * | 2009-12-16 | 2012-07-04 | 福建新农大正生物工程有限公司 | Sterilization composition containing tetraconazole |
| CN105076155A (en) * | 2014-05-08 | 2015-11-25 | 江苏龙灯化学有限公司 | Plant disease preventing and treating composition |
| CN105076147A (en) * | 2014-05-08 | 2015-11-25 | 江苏龙灯化学有限公司 | Bactericidal and insecticidal composition |
| CN105076155B (en) * | 2014-05-08 | 2017-04-26 | 江苏龙灯化学有限公司 | Plant disease preventing and treating composition |
| CN105076147B (en) * | 2014-05-08 | 2017-06-16 | 江苏龙灯化学有限公司 | A kind of Fungicidal insecticidal composition |
| CN105265446A (en) * | 2014-07-18 | 2016-01-27 | 中化农化有限公司 | Pesticide combination containing fenaminstrobin and tetraconazole |
| CN105265446B (en) * | 2014-07-18 | 2018-02-13 | 中化农化有限公司 | A kind of composition pesticide containing alkene oxime amine and tetraconazole |
| CN106259374A (en) * | 2016-08-20 | 2017-01-04 | 田文华 | A kind of containing fluoxastrobin with the bactericidal composition of tetraconazole |
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Application publication date: 20100303 |