CN101406193A - Bactericidal composite and uses thereof - Google Patents
Bactericidal composite and uses thereof Download PDFInfo
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- CN101406193A CN101406193A CNA2008101109701A CN200810110970A CN101406193A CN 101406193 A CN101406193 A CN 101406193A CN A2008101109701 A CNA2008101109701 A CN A2008101109701A CN 200810110970 A CN200810110970 A CN 200810110970A CN 101406193 A CN101406193 A CN 101406193A
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- bactericidal composition
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Abstract
The invention relates to a bactericidal composition, which contains components A and B, wherein the weight portion ratio of the active component A to the active component B is between 1 to 20 and 20 to 1. As a bactericidal agent for crops, the bactericidal composition can prevent various diseases, has obvious synergism, and is good to the safety of the crops, thus the bactericidal composition can effectively control various fungus and a few bacterial diseases for various crops such as rice, cottons, fruit trees, vegetables and the like; besides, the bactericidal composition has the advantages of rain wash resistance and lasting drug effect.
Description
Technical field
The invention belongs to the disinfectant use in agriculture field, relate to a kind of preparation and application that contains the bactericidal composition of two active components.
Background technology
Fluorine ring azoles, English name: (epoxiconazole), molecular formula: C17H13ClFN3O, chemical name: (2RS, 3SR)-and 3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2, the 4-triazol-1-yl) methyl] oxirane, can prevent and treat effectively by multiple pathogens such as Oomycete, Phycomycetes, Ascomycetes and deuteromycetes pathogens, plurality of plant diseases is all had fabulous control efficiency.This bactericide using dosage is few, low toxicity, no carcinogenic and mutagenesis, and can very fast degraded in the plant physical efficiency, in soil and the water, can not cause harmful effect to environment.
Summary of the invention
For fear of fluorine ring azoles English name: (epoxiconazole), molecular formula: C17H13ClFN3O, chemical name: (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2, the 4-triazol-1-yl) methyl] resistance that may bring of the long-term use of oxirane list agent takes place, degradation problem under the drug effect, and the bactericidal composition that the present invention proposes contains two kinds of active components of A, B, and acceptable surfactant and carrier on an amount of agricultural.
Active component A is selected from fluorine ring azoles, English name: (epoxiconazole), molecular formula: C17H13ClFN3O, chemical name: (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2, the 4-triazol-1-yl) methyl] oxirane
Active component B is selected from following any one Carbamates bactericidal agent:
1, two (zinc dithiocarbamate) (zineb, zineb) of ethylene;
2, acrylic bisdithiocarbamic zinc (propineb, Propineb);
3, ethylene bisdithiocarbamic and soluble Zn salt compound (metriam, Carbatene);
Comparatively preferred active component B is zineb, Propineb, Carbatene.
The weight fraction ratio of A, two kinds of active components of B is 1: 100 to 100: 1, is preferably 1: 50 to 50: 1, more elects 1: 20 as to 20: 1..
Amount of application when the content of active component depends on independent use in the present composition also depends on the mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with the target fungi.Usually the weight percentage of combination species activity is the 0.5-90% of gross weight, and preferable is 5% to 85%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains 1-70% active substance by weight, preferably is 5-40%; Solid pharmaceutical preparation contains 5% to 85% active substance by weight, preferably is 10-40%; Suspension preparation contains the active substance of 10-60% by weight, preferably is 5-35%.
At least contain a kind of surfactant in the bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use, and help making it can correctly be applied to plant.Surface-active contents is the 5-30% of total formulation weight amount, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from emulsifier, dispersant, wetting agent, adhesive or the defoamer one or more.Wherein emulsifier can be anionic and or nonionic emulsifier, for example alkylphenol polyoxyethylene, alkylphenol-polyethenoxy polyoxy third rare ether, benzylphenol APEO, polyoxyethylene fatty acid ester.Dispersant can be alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate.Adhesive can be synthesize natural, for example xanthans, sodium phosphate trimer, polyvinyl alcohol, polyethylene glycol, phenolic resins and sodium alginate etc.Defoamer can be silicone, C
8～10Fatty alcohol, C
10～20Saturated fat acids (as capric acid) and acid amides etc.According to different dosage form, can also contain disintegrant known in those skilled in the art, wetting spreader-sticker, suspending agent etc. in the preparation.
Bactericidal composition of the present invention contains at least a an amount of solid or liquid diluent according to the formulation difference of being prepared.Usually, the liquid diluent that is fit to preparation biocide preparation of the present invention is selected from organic solvent, comprises alkylbenzene, Fluhyzon, chlorinated aromatic hydrocarbons, aliphatic hydrocarbon, chloro aliphatic hydrocarbon.Yet, particularly suitable be polar solvent, as alcohols, ester class, ketone, and dimethyl formamide, dimethyl sulfoxide (DMSO) and N-methyl-pyrrolidones; Also have vegetable oil and methyl cellosolve.Mixtures of different liquids often is suitable for.Organic solvent also can be made attached cosolvent or antifreeze.Usually, be used to prepare that acceptable any solid diluent all can use on the agricultural of fungicide preparation.They can combine with active component and be beneficial to active component and be applied to any solid diluent of accepting for processed plant on the target and all can use.They can combine with active component and be beneficial to active component and be applied on the target and accepted by processed plant.Solid diluent commonly used such as diatomite, Magnesiumaluminumsilicate, atlapulgite, kaolin, white carbon black, precipitated calcium carbonate, ammonium sulfate, hexamethylene diamine, solid fertilizer, clay, imvite, gypsum, bentonite and soluble starch etc.
Composition of the present invention can be by the user before use through dilution or directly use.Its preparation can be by the preparation of common processing method, be about to active substance and liquid flux with or after solid carrier mixes, add in surfactant such as emulsifier, dispersant, stabilizing agent, wetting agent, adhesive, the defoamer etc. one or more again.
Bactericidal composition of the present invention can be processed into acceptable forms on any agricultural chemicals on demand.For example can be suspending agent, aqueous emulsion, wetting powder, colloidal suspending agent, (aqueous dispersion) granula.Wherein preferred dosage form is suspending agent, wetting powder, (aqueous dispersion) granula.
The compound method of several formulations of bactericidal composition of the present invention is exemplified below:
The preparation of suspending agent: active component content is 5%～35% in the common prescription.With water is medium, and former medicine, dispersant, suspending agent and antifreeze etc. are added in the sand mill, grinds, and makes suspending agent.
The preparation of aqueous emulsion: former medicine, solvent added with emulsifier be in the same place, make dissolving be even oil phase; Water, antifreeze etc. is mixed, becomes the homogeneous water; Under high-speed stirred, water is joined oil phase or oil phase is joined water tank, form the aqueous emulsion of favorable dispersibility.Aqueous emulsion active component content of the present invention is generally 5%～15%.
The preparation of wetting powder: by the prescription requirement, former medicine, various surfactant and solid diluent etc. are fully mixed, after ultra-fine grinding is pulverized, compound of the present invention can with pressed powder such as clay, inorganic silicate, carbonate and wetting agent, adhesive and or the dispersant composition mixture of porphyrize.
The preparation of water-dispersible granules: former medicine and powdery solid thinner, wetting spreader-sticker and adhesive etc. are mixed pulverizing; after adding the water kneading again; add in the comminutor that the certain specification screen cloth is housed and carry out granulation, and then drying, screening (pressing the screen cloth scope).Also former medicine, dispersant, disintegrant and wetting agent and solid diluent can be added in the sand mill, be medium milling with water, and the configuration suspending agent carries out spray drying granulation then, usually formulation content 20%～30% granular product.
Microbicide compositions of the present invention has protection concurrently, treats and roots out activity, available and many kind of crop is for example: fruit tree, wheat, tomato, grape, vegetables and flowers and paddy rice, prevent and treat young Oomycete, Phycomycetes, Ascomycetes and the microbial plant disease of deuteromycetes pathogeny such as powdery mildew, downy mildew, early blight, anthracnose, damping off, leaf spot etc.;
Therefore, composition of the present invention has following three advantages: the one, and said composition shows significant synergistic effect in certain ratio range, both improved protection effect, has reduced mu dosage and cost, has enlarged fungicidal spectrum again; The 2nd, because the mechanism of action difference of single agent in the said composition, the problem that does not have cross resistance is so the application of said composition can reach and delay drug-fast generation of pathogen and development, help to prolong the result of use of this medicament, reduce the purpose that pesticide resistance produces probability; The 3rd, improved safety, being mixed will be lower to the influence of environment, safer;
Embodiment
For making advantage of the present invention more obvious, be elaborated with following instantiation, but this product is limited to these examples absolutely not; Compound in the prescription (2RS, 3SR)-3-(2-chlorphenyl)-2-(4-fluorophenyl)-2-[(1H1,2,4-triazol-1-yl) methyl] oxirane is fluorine ring azoles; Each component addition is weight backup content;
Embodiment 1 (80% wetting powder)
Fluorine ring azoles 10%
Zineb 70%
Octylphenol polyethylene oxyethylene group ether sulfate 2%
Sodium phosphate trimer 3%
Aryl phenol polyoxyethylene succinate sulfonate 3%
Precipitated calcium carbonate complements to 100%
Embodiment 2 (70% wetting powder)
Fluorine ring azoles 10%
Propineb 60%
Alkylnaphthalene sulfonate 2%
Calcium lignosulfonate 5%
Two (alkyl) naphthalenesulfonate formaldehyde condensation compound 5%
Precipitated calcium carbonate complements to 100%
Example 3 (60% water dispersible granules)
Fluorine ring azoles 10%
Carbatene 50%
Naphthalene sulfonic acid-formaldehyde condensation product 12%
N-methyl-pyrrolidones 8%
Polyvinyl alcohol 2%
Solid fertilizer 2%
Kaolin complements to 100%
Sub-district, field control efficiency
Test field condition test down, the cultivation management of experiment crop is according to routine production, and the reagent agent that field efficacy is measured is all established 3 meterings, establishes the blank of not dispenser, 4 repetitions; Test is not fallen ill in the field or the their early stage dispenser, and spraying equipment is a knapsack hand sprayer, and natural occurrence is carried out result's investigation when the blank of not dispenser is fully fallen ill; Disease classification, preventive effect computational methods are all carried out the State Standard of the People's Republic of China, " pesticide field efficacy medicine test criterion "; The bactericidal composition that result of the test fluorine ring azoles is used for the thiocarbamate class has very excellent preventive and therapeutic effect to disease, and result of the test is seen attached list
Table 1 wheat rust disease
Table 2 alternaria leaf spot of apple
Table 3 anthracnose of tomato
Claims (6)
1. bactericidal composition, it is characterized in that: A is selected from fluorine ring azoles, and B is selected from following any one Carbamates bactericidal agent: zineb, mancozeb, Propineb or Carbatene; The ratio of weight and number of A, two kinds of active components of B is 1: 20 to 20: 1; Active component weight percentage in the composition is 10-60%.
2. bactericidal composition according to claim 1 is characterized in that: described B component is selected from zineb, mancozeb, Propineb or Carbatene;
3. according to the described bactericidal composition of claim 1, it is characterized in that: contain at least a carrier and at least a surfactant in the composition.
4. bactericidal composition according to claim 1 is characterized in that: said composition can be mixed with wetting powder, suspending agent, aqueous emulsion or water dispersible granules.
5. bactericidal composition according to claim 1 is characterized in that: the purposes that is used to prevent and treat Oomycete, Phycomycetes, Ascomycetes and the microbial disease of deuteromycetes cause of disease.
6. bactericidal composition according to claim 1, it is characterized in that: the method for catching and killing fungi at the scene, comprise with the described bactericidal composition of claim 1 and handle this place, the wherein on-the-spot plant of standing fungal attack, the seed of these plants or the medium of plant growing of comprising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101109701A CN101406193A (en) | 2008-06-18 | 2008-06-18 | Bactericidal composite and uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101109701A CN101406193A (en) | 2008-06-18 | 2008-06-18 | Bactericidal composite and uses thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101406193A true CN101406193A (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101109701A Pending CN101406193A (en) | 2008-06-18 | 2008-06-18 | Bactericidal composite and uses thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999379A (en) * | 2010-11-26 | 2011-04-06 | 惠州市中迅化工有限公司 | Dithianon and mancozeb containing bactericidal composition and application thereof |
| EP3073826B1 (en) * | 2013-11-26 | 2019-10-30 | UPL Limited | A method for controlling soybean rust |
-
2008
- 2008-06-18 CN CNA2008101109701A patent/CN101406193A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999379A (en) * | 2010-11-26 | 2011-04-06 | 惠州市中迅化工有限公司 | Dithianon and mancozeb containing bactericidal composition and application thereof |
| EP3073826B1 (en) * | 2013-11-26 | 2019-10-30 | UPL Limited | A method for controlling soybean rust |
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Application publication date: 20090415 |