CN104094941A - Sterilization composition containing benzothiostrobin and chlorothalonil and application thereof - Google Patents
Sterilization composition containing benzothiostrobin and chlorothalonil and application thereof Download PDFInfo
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- CN104094941A CN104094941A CN201410345599.2A CN201410345599A CN104094941A CN 104094941 A CN104094941 A CN 104094941A CN 201410345599 A CN201410345599 A CN 201410345599A CN 104094941 A CN104094941 A CN 104094941A
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- bactericidal composition
- tpn
- bacterium ester
- benzene thiophene
- thiophene bacterium
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Abstract
The invention relates to sterilization composition which comprises active ingredients and pesticide preparation assistant components, and particularly, the active ingredients comprise chlorothalonil and benzothiostrobin at the weight ratio of (0.05-60):1. According to the sterilization composition, benzothiostrobin and chlorothalonil are compounded in a proportional range, accordingly, firstly, the sterilization composition has a remarkable synergistic effect and can concurrently treat multiple diseases of crops, the pesticide application times are reduced, and the cost is saved; secondly, two active ingredients in the sterilization composition are two sterilizing agents with different action mechanisms, the prevention spectrum is enlarged, and the insecticide resistance is relieved; and thirdly, the synthesis process route of chlorothalonil in the composition is mature, the yield is high, and the cost is low, so that on the premise that the drug efficacy is guaranteed through compounding with benzothiostrobin, the production cost is reduced, and resources are saved.
Description
Technical field
The invention belongs to pesticide field, particularly a kind of bactericidal composition and application thereof that contains benzene thiophene bacterium ester.
Background technology
Benzene thiophene bacterium ester belongs to methoxy acrylic bactericide, and the mechanism of action is to suppress mitochondrial respiratory effect, is the environmentally friendly bactericide of a kind of efficient, wide spectrum, low toxicity.Benzene thiophene bacterium ester belongs to curative fungicide agent, after main plant is susceptible, uses, can rapid osmotic and in be drawn onto in plant corpus, directly kill the pathogen of invaded plants.Benzene thiophene bacterium ester, due to the bactericidal action of protecting preferably, treat, rooting out, has good control efficiency to powdery mildew, yellow rust, downy mildew and leaf spot, rice blast, banded sclerotial blight on fruit tree, vegetables and cereal crop.
Tpn is a kind of broad spectrum activity protective fungicide, and multiple fungus-caused disease is had to prevention effect, efficacy stability, and the lasting period is long.Be mainly used in the crops such as wheat, paddy rice, vegetables, fruit tree, peanut, tealeaves, can anti-gibberella zeaze petch of wheat and barley processed, early blight of tomato, late blight, leaf mold, spot blight, downy mildew of cucurbits, anthracnose etc., also can be used for peach brown rot, shot hole, tea anthracnose, tea gall, net cake disease, leaf spot of peanut, rubber canker, wild cabbage downy mildew, black spot, bitter rot or anthracnose of grape, grey mould of egg plant, orange shot hole.
So far, also do not find benzene thiophene bacterium ester and tpn to carry out composite correlative study or report.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of bactericidal composition that can have prevention protection, treatment sterilization concurrently, and this bactericidal composition control efficiency is good, resistance is low.
For solving above technical problem, the present invention adopts following technical scheme:
A bactericidal composition, it is comprised of active component and pesticidal preparations auxiliary element, and particularly, active component is comprised of by weight 0.05～60:1 tpn and benzene thiophene bacterium ester.
Preferably, the weight ratio of tpn and benzene thiophene bacterium ester is 1～20:1.More preferably, the weight ratio of tpn and benzene thiophene bacterium ester is 1～5:1.Most preferably, the weight ratio of tpn and benzene thiophene bacterium ester is 5:1.
The described bactericidal composition that contains benzene thiophene bacterium ester, tpn, wherein effective active component content can account for 5～85% of gross weight, all the other for allow in agricultural chemicals to use and contribute to bring into play drug effect auxiliary element.
According to the present invention, bactericidal composition can be made any one preparation type allowing on agricultural chemicals, and present composition preferred dosage form is for being wetting powder, suspending agent, water dispersible granules.Described different preparation types, active component content scope is different.Conventionally, liquid preparation contains 5～70% active substances by weight, and effect is 7～65% preferably; Solid pharmaceutical preparation contains 10～85% active substances by weight, and effect is 20～80% preferably.
In bactericidal composition of the present invention, at least contain a kind of surfactant, be beneficial to that active ingredient is fully wetting at plant surface, spread.The content of surfactant is 5～30% of preparation gross mass, and surplus is solid or liquid diluent and preparation stabilization agent.
Bactericidal composition of the present invention is adjuvant used is known in those skilled in the art: can be selected from one or several in dispersant, wetting agent, emulsifier or defoamer, also can select disintegrant, the antifreeze of knowing according to formulation difference.
Described dispersant can be selected from one or more in alkylnaphthalene sulfonate, polycarboxylic acid salt, lignin sulfonate, Fluhyzon formaldehyde condensation products class, EO-PO block copolymer.
Described wetting agent can be selected from: one or more of lauryl sodium sulfate, alkyl naphthalene sulfonic acid salt, polycarboxylic acid salt, castor oil ethylene oxide adduct.
Described disintegrant can be selected from: one or more in ammonium sulfate, aluminium chloride, calcium chloride, glucose and urea.
Described binding agent can be selected from: one or more in corn starch, polyethylene glycol, ethylene-vinyl acetate copolymer, polyvinyl alcohol.
Described defoamer can be selected from: one or more in silicone oil, C8-C10 aliphatic alcohols compound, C10-C20 saturated fat acid compounds.
Described filler can be selected from: one or more in kaolin, bentonite, corn starch, talcum powder.
Described antifreezing agent can be selected from: one or more in glycerine, ethylene glycol, propane diols.
Described thickener can be selected from: one or more of xanthans, aluminium-magnesium silicate, white carbon.
Described preservative can be selected from: one or more in sorbic acid, benzoic acid, methyl hydroxybenzoate, BIT, MIT.
The auxiliary agent using in bactericidal composition of the present invention comprises that solvent, filler, dispersant, antifreezing agent, wetting agent, disintegrant, binding agent etc. and other are of value to the known substance of active component stable and drug effect performance in preparation, is all various compositions conventional in pesticidal preparations or that allow to use.
A concrete and preferred aspect according to the present invention: described bactericidal composition is water dispersible granules, and described agricultural chemicals auxiliary element is comprised of polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, EO-PO block copolymer, filler, disintegrant and binding agent.
According to another concrete and preferred aspect: described bactericidal composition is wetting powder, and described agricultural chemicals auxiliary element is by neopelex, lignosulfonates, alkyl naphthalene formaldehyde condensate sulfonates, media assemblage.
According to another concrete and preferred aspect: described bactericidal composition is suspending agent, described agricultural chemicals auxiliary element is by polycarboxylate, EO-PO block copolymer, and castor oil ethylene oxide adduct, antifreezing agent, defoamer, preservative, thickener and water form.
Bactericidal composition of the present invention has prevention protection, treatment and eradicant action to plant, and plant growth safety, without poisoning, is applicable to many plant things as field crop, fruit tree, vegetables, flowers and lawn.The nearly all Mycophytes of this bactericidal composition (Ascomycetes, Basidiomycetes, Oomycete and Fungi Imperfecti) disease, lame, net blotch as withered in powdery mildew, rust, grain husk, downy mildew, rice blast etc. all have good activity.For this reason, the present invention is also particularly related to said composition for preventing and treating the purposes of the fungal disease on fruit tree, vegetables and cereal crop.The present composition has particularly preferred control efficiency for cucumber downy mildew.
Owing to adopting above technical scheme, the present invention compared with prior art tool has the following advantages:
The present invention carries out benzene thiophene bacterium ester and tpn composite within the scope of certain proportion, and the one,, obtained the synergistic function of highly significant, reduce spraying times, saved cost; The 2nd,, two kinds of active components in this bactericidal composition are the bactericide of the different mechanisms of action of two classes, have expanded control spectrum, have slowed down drug-fast generation; The 3rd,, because tpn synthesis route in said composition is ripe, production capacity is high, and therefore low price by ensureing under the prerequisite of drug effect with benzene thiophene bacterium ester is composite, has also reduced production cost and has economized on resources.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further details.Following percentage composition is weight content.
The embodiment of the present invention adopts indoor bioassay and the field control effectiveness test method that combines.Test medicine Jun You Jiangsu Qizhou Green Chemical Co., Ltd provides.
Application Example one
Composite Toxicity Determination-plate blade the method to cucumber downy mildew of tpn and benzene thiophene bacterium ester
Select cucumber susceptible variety potted plant, 4～6 leaf positions from top to bottom, clip same area, growing way be consistent, with the blade of 1cm～2cm petiole, and with wet cotton balls, wrapping up blade, to be placed in culture dish moisturizing standby.Select the blade of downy mildew morbidity, the sporangium with 4 ℃ of distillation washing lower back faces, is made into 1 * 10
6the spore suspension of/mL.The sporangia suspension drop configuring 10 μ L are inoculated in to standby vacuum side of blade.4, every leaf is processed 5 leaves at every turn.24h after inoculation, evenly sprays composition liquid serial dilutions in vacuum side of blade, treats natural air drying, puts into moisture preservation box.Each medicament is established respectively 5 dosage by active constituent content and is processed, and establishes clear water contrast.Investigation blank incidence, surveying record scab diameter, unit is mm.
Test is tried to achieve the EC of composition medicament to bacterium of downy mildew of cucumber with DPS data processing software
50value.According to the coefficient of synergism of Wadley method calculating mixture, evaluate the synergistic effect of pharmacy mix, coefficient of synergism <0.5 is antagonism, and 0.5≤coefficient of synergism≤1.5 are summation action, and >1.5 is synergistic effect.
Toxicity test result is referring to table 1.
Table 1 benzene thiophene bacterium ester and the chlorothalonil compound toxicity test result to cucumber downy mildew
From upper table 1, tpn, the EC of benzene thiophene bacterium ester to cucumber downy mildew
50be respectively 21.51mg/L and 1.65mg/L.Tpn and benzene thiophene bacterium ester are composite in the scope of 60:1 to 1:20 all shows synergistic effect, coefficient of synergism 1.54～2.35, wherein composite in the scope of 20:1 to 1:1 all to show synergistic effect better for tpn and benzene thiophene bacterium ester weight ratio, when tpn and benzene thiophene bacterium ester weight ratio the most obvious in the scope synergistic effect of 5:1 to 1:1.
Application Example two
The embodiment 1 45% benzene thiophene bacterium ester tpn suspending agent control cucumber downy mildew test of pesticide effectiveness
Tpn 40%, benzene thiophene bacterium ester 5%, polycarboxylate 2%, EO-PO block copolymer 2%, castor oil ethylene oxide adduct 2%, ethylene glycol 5%, xanthans 0.1%, aluminium-magnesium silicate 1%, benzoic acid 0.5%, froth breaking silicone oil 0.4%, water supplies 100%.Mixture fully after stirring and evenly mixing, is ground to particle diameter 5 μ m left and right through sand mill according to the above ratio, makes 45% benzene thiophene bacterium ester tpn suspending agent.
By 750 times of sprayings of said preparation dilution, in their early stage dispenser, mu effective ingredient consumption is 10g, within every 7 days, executes one time medicine, and dispenser is 3 times altogether, within after last medicine 7 days, 14 days, investigates respectively disease index and calculates preventive effect.After medicine, the preventive effect of 7 days, 14 days control cucumber downy mildews is respectively 90.75%, 87.20%.
40% tpn suspending agent and 10% benzene thiophene bacterium emulsifiable concentrate dilute respectively 800 times and 1000 times, and in their early stage dispenser, mu effective ingredient consumption is respectively 10g, and after medicine, 14 days preventive effects are respectively 70% and 78.90%.
The embodiment 2 60% benzene thiophene bacterium ester chlorothalonil water dispersible granule control cucumber downy mildew tests of pesticide effectiveness
Tpn 50%, benzene thiophene bacterium ester 10%, dodecyl sodium sulfate 1%, lignosulfonates 2%, alkylnaphthalene sulfonate 3%, EO-PO block copolymer 2%, polyethylene glycol 4%, calcium chloride 2%, filler bentonite supplies 100%.Mixture fully stirs according to the above ratio through airslide disintegrating mill pulverizing, kneading, granulation and the dry water dispersible granules that makes.
By 1000 times of sprayings of said preparation dilution, in their early stage dispenser, mu effective ingredient consumption is 10g, within every 7 days, executes one time medicine, and dispenser is 3 times altogether, within after last medicine 7 days, 14 days, investigates respectively disease index and calculates preventive effect.After medicine, the preventive effect of 7 days, 14 days control cucumber downy mildews is respectively 93.05%, 90.28%.
The embodiment 3 50% benzene thiophene bacterium ester chlorothalonil water dispersible granule control cucumber downy mildew tests of pesticide effectiveness
Tpn 25%, benzene thiophene bacterium ester 25%, dodecane sulfonate 2%, sodium lignin sulfonate 5%, alkylnaphthalene sulfonate 3%, EO-PO block copolymer 3%, corn starch 4%, calcium chloride 2%, filler bentonite supplies 100%.Mixture fully stirs according to the above ratio through airslide disintegrating mill pulverizing, kneading, granulation and the dry water dispersible granules that makes.
By 833 times of sprayings of said preparation dilution, in their early stage dispenser, mu effective ingredient consumption is 10g, within every 7 days, executes one time medicine, and dispenser is 3 times altogether, within after last medicine 7 days, 14 days, investigates respectively disease index and calculates preventive effect.After medicine, the preventive effect of 7 days, 14 days control cucumber downy mildews is respectively 90.70%, 87.85%.
The embodiment 4 70% benzene thiophene bacterium ester tpn wetting powder control cucumber downy mildew tests of pesticide effectiveness
Tpn 58%, benzene thiophene bacterium ester 12%, neopelex 2%, lignosulfonates 3%, alkyl naphthalene formaldehyde condensate sulfonates 3%, filler kaolin supplies 100%.Mixture carries out air-flow crushing, makes 70% benzene thiophene bacterium ester tpn wetting powder.
By 1166 times of sprayings of said preparation dilution, in their early stage dispenser, mu effective ingredient consumption is that 10g executes one time medicine for every 7 days, and dispenser is 3 times altogether, within after last medicine 7 days, 14 days, investigates respectively disease index and calculates preventive effect.After medicine, 7 days, 14 days control cucumber downy mildew preventive effects are respectively 88.78%, 85.50%.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. a bactericidal composition, it is comprised of active component and pesticidal preparations auxiliary element, it is characterized in that: described active component is comprised of by weight 0.05～60:1 tpn and benzene thiophene bacterium ester.
2. bactericidal composition according to claim 1, is characterized in that: the weight ratio of tpn and benzene thiophene bacterium ester is 1～20:1.
3. bactericidal composition according to claim 2, is characterized in that: the weight ratio of tpn and benzene thiophene bacterium ester is 1～5:1.
4. according to the bactericidal composition described in any one claim in claims 1 to 3, it is characterized in that: the formulation of described composition is to be selected from a kind of in wetting powder, water dispersible granules, suspending agent.
5. bactericidal composition according to claim 4, it is characterized in that: described bactericidal composition is water dispersible granules, described agricultural chemicals auxiliary element is comprised of polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, EO-PO block copolymer, filler, disintegrant and binding agent.
6. bactericidal composition according to claim 4, is characterized in that: described bactericidal composition is wetting powder, and described agricultural chemicals auxiliary element is by neopelex, lignosulfonates, alkyl naphthalene formaldehyde condensate sulfonates, media assemblage.
7. bactericidal composition according to claim 4, it is characterized in that: described bactericidal composition is suspending agent, described agricultural chemicals auxiliary element is by polycarboxylate, EO-PO block copolymer, and castor oil ethylene oxide adduct, antifreezing agent, defoamer, preservative, thickener and water form.
8. according to the bactericidal composition described in any one claim in claims 1 to 3, it is characterized in that: in described composition, the content of active component is 5wt%～85wt%.
9. the bactericidal composition described in claim 1 to 8 is used for the purposes of preventing and treating the fungal disease on fruit tree, vegetables and cereal crop.
10. the bactericidal composition described in claim 1 to 8 is used for the purposes of preventing and treating cucumber downy mildew.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345599.2A CN104094941A (en) | 2014-07-18 | 2014-07-18 | Sterilization composition containing benzothiostrobin and chlorothalonil and application thereof |
| CN201510353301.7A CN104920384B (en) | 2014-07-18 | 2015-06-24 | A kind of bactericidal composition containing benzothiostrobin and Bravo and its application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410345599.2A CN104094941A (en) | 2014-07-18 | 2014-07-18 | Sterilization composition containing benzothiostrobin and chlorothalonil and application thereof |
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| CN201410345599.2A Pending CN104094941A (en) | 2014-07-18 | 2014-07-18 | Sterilization composition containing benzothiostrobin and chlorothalonil and application thereof |
| CN201510353301.7A Active CN104920384B (en) | 2014-07-18 | 2015-06-24 | A kind of bactericidal composition containing benzothiostrobin and Bravo and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108669101A (en) * | 2018-06-12 | 2018-10-19 | 允发化工（上海）有限公司 | A kind of Bravo suspending agent and preparation method thereof |
| CN109744248A (en) * | 2017-11-08 | 2019-05-14 | 佛山市盈辉作物科学有限公司 | A kind of bactericidal composition containing benzothiostrobin and matrine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN101268780A (en) * | 2008-05-08 | 2008-09-24 | 华中师范大学 | Methoxy group acrylic ester fungicide, preparation method and uses thereof |
| CN101379967A (en) * | 2008-10-06 | 2009-03-11 | 华中师范大学 | Methoxycinnamaldehyde disinfectant aqueous emulsion and low energy emulsifying preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190413B (en) * | 2013-03-22 | 2014-04-09 | 江苏七洲绿色化工股份有限公司 | Sterilization composition containing benzothiostrobin and triticonazole |
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2014
- 2014-07-18 CN CN201410345599.2A patent/CN104094941A/en active Pending
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- 2015-06-24 CN CN201510353301.7A patent/CN104920384B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101268780A (en) * | 2008-05-08 | 2008-09-24 | 华中师范大学 | Methoxy group acrylic ester fungicide, preparation method and uses thereof |
| CN101379967A (en) * | 2008-10-06 | 2009-03-11 | 华中师范大学 | Methoxycinnamaldehyde disinfectant aqueous emulsion and low energy emulsifying preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109744248A (en) * | 2017-11-08 | 2019-05-14 | 佛山市盈辉作物科学有限公司 | A kind of bactericidal composition containing benzothiostrobin and matrine |
| CN108669101A (en) * | 2018-06-12 | 2018-10-19 | 允发化工（上海）有限公司 | A kind of Bravo suspending agent and preparation method thereof |
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| Publication number | Publication date |
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| CN104920384B (en) | 2017-10-03 |
| CN104920384A (en) | 2015-09-23 |
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Application publication date: 20141015 |