CN101167465B - Compound bactericide agent composition containing tridemorph as main component and use - Google Patents
Compound bactericide agent composition containing tridemorph as main component and use Download PDFInfo
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Abstract
The invention discloses remixed bactericidal agent compound which contains tridemorph as the main composition and the application of the compound. The remixed bactericidal agent compound contains composition A and composition B, wherein the composition A is tridemorph, the composition B can be any of difenoconazole, propiconazole, tebuconazole and myclobutanil, the composition B also comprises auxiliary material, and the composition A and the composition B are combined into the remixed compound according to that the mass ratio of the composite A to the composition B is 1-40 parts to 99-60 parts. The application of the compound is that after the composition A and the composition B are mixed according to a certain mass ratio, water or filler are charged to produce 100 parts to produce different application agents which include aqueous emulsion, microemulsion, water dispersible granule, wettable powder, suspending agent and missible oil. The invention is simple in formulation, low in costs, convenient to use and little in pesticide residue on agronomic crops, the production of the invention satisfies the requirements of environment protection. The invention is suitable for prevention and cure of the powdery mildew of vegetables and wheat and the leaf spot of bananas. The prevention and cure effect of the mixed agent compound is 2 to 3 times higher than the prevention and cure effect of single agent of the composition A and the composition B.
Description
Technical field
The present invention relates to the agriculture chemicals fungicide composition, be specifically related to contain composite bactericide composition and the application that tridemorph is a main component.
Background technology
The tridemorph of single variety is a kind of broad spectrum activity systemic fungicide with protection and therapeutic action; can be absorbed by the root of plant, stem, leaf; the plurality of plant diseases that basidiomycetes, sac fungi and imperfect fungus are caused is effective, mainly is the biosynthesis that suppresses the ergosterol of germ.
The Difenoconazole of single variety has protection, treatment and systemic activity, is sterol demethylation inhibitor, suppresses the biosynthesis of cell wall sterol, stops fungi growth.Fungicidal spectrum is wide, and leaf surface treatment or seed treatment can improve output and the guaranteed quality of crop.
The propiconazole of single variety is a kind of the have protection and interior absorption triazole bactericidal agent of therapeutic action, can be absorbed by root, stem, leaf portion, and can be soon in the plant body on conduct, be sterol demethylation inhibitor.
The Tebuconazole of single variety is an ergosterol biosynthesis inhibitor.Can be rapidly partially absorbed and mainly shift by plant is vegetative to the top.Not only have bactericidal activity, can also promote plant growth, make it that well developed root system, leaf look dark green, robust plant, effective tiller increase, thereby improve output.
The nitrile bacterium azoles of single variety is the interior absorption triazole bactericidal agent of class tool protection and therapeutic activity.Mainly the biosynthesis to the ergosterol of pathogen plays inhibitory action, and sac fungi, basidiomycetes are all had the better prevention effect.This agent special efficacy phase is long, to crop safety, certain stimulating growth effect is arranged.
Wheat powdery mildew: be that China wheat belt threatens one of maximum disease, all can large tracts of land take place every year, distributed pole extensively and extremely difficult control, present above-mentioned single agent product can't effectively have been controlled disease and take place, and continues in rising trend in some areas incidence.
The vegetables powdery mildew: generally lay particular stress on generation in China, very big to the conventional pesticide resistance, the extensively and extremely difficult control of distributed pole presses for new compound composition or new preparation and promotes on probation.
Sigatoka: in banana producing region, China south generation being arranged all, is the topmost disease of banana, incidence of disease height, the extent of injury is big, directly causes the serious underproduction of banana, no commodity value, plant is had very big influence, and present single agent product can't reach desirable preventive effect, and consumption is big, cost is high.
For preventing and treating the germ that develops immunity to drugs on the agricultural, a kind of way is to release new kind still, the development cost height of new kind active ingredient, and the construction cycle is long, and all produces the speed of resistance forever less than insect.Additive method such as crop allocation adjustment, different agricultural chemicals are rotated use etc., in the process of practical operation, have the defective that is difficult to really play positive effect.
Summary of the invention
It is composite mutually to the purpose of this invention is to provide a kind of single variety medicament of prior art and auxiliary material of utilizing, it is simple to produce a kind of prescription, cost is low, easy to use, synergistic effect, left drug on the crops is few, the production compliance with environmental protection requirements contain the composite bactericide composition that tridemorph is a main component.
Another object of the present invention provides the application of composite bactericide composition.
In order to overcome the deficiencies in the prior art, technical scheme of the present invention is to solve like this: containing tridemorph is the composite bactericide composition of main component, it is characterized in that the composite bactericide composition contains by component A and component B forms, its described component A is a tridemorph, described component B is any one of Difenoconazole, propiconazole, Tebuconazole, nitrile bacterium azoles, wherein component B also includes auxiliary material, component A: component B is 1 part～40 parts in quality than ratio: form complex composition for 99 parts～60 parts.
A kind of claim 1 is described to contain the application that tridemorph is the composite bactericide composition of main component, its in above-mentioned said component A and component B in quality than ratio weigh mix after, water or filler are mended into becoming 100 parts, can make different application forms, its formulation comprises: aqueous emulsion, water dispersible granules, wetting powder, missible oil.
In order to prevent and treat more refractory powdery mildew and leaf spot on the agricultural.Be that any one is combined as the bactericide that is mixed in the Difenoconazole, propiconazole, Tebuconazole, nitrile bacterium azoles in component A and the component B triazole type with the tridemorph, and carried out mutual composite synergy research, with different proportionings powdery mildew on the various crop and leaf spot have been carried out Toxicity Determination and used the prescription screening with.
But identical for mechanism of action, the composition of different cultivars is mixed, and is a kind of selection of the best.If reasonable proportioning is arranged, usually can produce synergistic effect.Make field control effect significantly be better than the effect of each single agent.Show the result of 1+1＞2.
Test medicine provides former medicine for producer.This experiment adopts growth rate method to carry out, and be mixed into contrast with equivalent aqua sterilisa and medium, calculate virulence equation and lethal concentration of 50 EC50 with method of least squares, calculate the different proportioning synergy ratios (SR) of medicament according to Wadl ey method, wherein SR＜0.5 is an antagonism, 0.5≤SR≤1.5 are summation action, SR＞1.5 are synergistic effect.Can on agricultural, prevent and treat vegetables, wheat powdery mildew and sigatoka.Concrete experimental data is Lie Gebiao as follows.
Table 1 tridemorph+Difenoconazole is to the powdery mildew experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 40+ Difenoconazole 5 | 1.28 | 1.25 |
| Tridemorph 30+ Difenoconazole 7.5 | 1.10 | 1.37 |
| Tridemorph 20+ Difenoconazole 15 | 0.97 | 1.54 |
| Tridemorph 10+ Difenoconazole 22.5 | 0.86 | 1.44 |
| Tridemorph 1+ Difenoconazole 30 | 0.78 | 1.34 |
| Tridemorph | 0.66 | - |
| Difenoconazole | 0.98 | - |
Table 2 tridemorph+Difenoconazole is to the leaf spot experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 5+ Difenoconazole 40 | 1.21 | 1.27 |
| Tridemorph 10+ Difenoconazole 30 | 0.99 | 1.57 |
| Tridemorph 20+ Difenoconazole 20 | 1.07 | 1.41 |
| Tridemorph 40+ Difenoconazole 10 | 0.91 | 1.39 |
| Tridemorph 30+ Difenoconazole 5 | 0.85 | 1.28 |
| Tridemorph | 0.78 | - |
| Difenoconazole | 1.23 | - |
Table 3 tridemorph+propiconazole is to the powdery mildew experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 45.6+ propiconazole 5.1 | 18.03 | 1.38 |
| Tridemorph 29.8+ propiconazole 12.5 | 17.49 | 1.56 |
| Tridemorph 18.4+ propiconazole 25 | 15.28 | 1.48 |
| Tridemorph 10+ propiconazole 37.5 | 13.58 | 1.42 |
| Tridemorph 5+ propiconazole 50 | 11.71 | 1.39 |
| Tridemorph | 9.82 | - |
| Propiconazole | 11.52 | - |
Table 4 tridemorph+propiconazole is to the leaf spot experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 6+ propiconazole 35 | 19.11 | 1.51 |
| Tridemorph 15+ propiconazole 28 | 18.78 | 1.39 |
| Tridemorph 30+ propiconazole 10.9 | 15.86 | 1.58 |
| Tridemorph 40+ propiconazole 6.8 | 14.94 | 1.40 |
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 49+ propiconazole 3.8 | 13.79 | 1.43 |
| Tridemorph | 10.82 | - |
| Propiconazole | 16.34 | - |
Table 5 tridemorph+Tebuconazole is to the powdery mildew experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 45.5+ Tebuconazole 6.2 | 20.02 | 1.53 |
| Tridemorph 30.8+ Tebuconazole 15 | 19.55 | 1.48 |
| Tridemorph 25.2+ Tebuconazole 20.9 | 16.43 | 1.59 |
| Tridemorph 16.4+ Tebuconazole 40.7 | 15.36 | 1.46 |
| Tridemorph 7.8+ Tebuconazole 45.6 | 14.89 | 1.39 |
| Tridemorph | 12.32 | - |
| Tebuconazole | 17.52 | - |
Table 6 tridemorph+Tebuconazole is to the leaf spot experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 5.7+ Tebuconazole 48.6 | 20.02 | 1.49 |
| Tridemorph 35.6+ Tebuconazole 14.6 | 19.55 | 1.57 |
| Tridemorph 20.8+ Tebuconazole 26.3 | 16.43 | 1.46 |
| Tridemorph 11.7+ Tebuconazole 30.9 | 15.36 | 1.39 |
| Tridemorph 8.1+ Tebuconazole 40.7 | 14.89 | 1.37 |
| Tridemorph | 11.94 | - |
| Tebuconazole | 17.62 | - |
Table 7 tridemorph+nitrile bacterium azoles is to the powdery mildew experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 49.2+ nitrile bacterium azoles 5.1 | 27.32 | 1.48 |
| Tridemorph 40+ nitrile bacterium azoles 11.2 | 21.59 | 1.45 |
| Tridemorph 35+ nitrile bacterium azoles 21.1 | 18.34 | 1.53 |
| Tridemorph 25.6+ nitrile bacterium azoles 30.5 | 16.63 | 1.38 |
| Tridemorph 10+ Tebuconazole 48.6 | 14.98 | 1.36 |
| Tridemorph | 14.3 | - |
| Nitrile bacterium azoles | 16.78 | - |
Table 8 tridemorph+nitrile bacterium azoles is to the leaf spot experimental data
| Handle | EC50(μg/ml) | Synergy ratio (SR) |
| Tridemorph 5.2+ nitrile bacterium azoles 46.7 | 25.46 | 1.44 |
| Tridemorph 10.9+ nitrile bacterium azoles 40.2 | 23.38 | 1.58 |
| Tridemorph 16.8+ nitrile bacterium azoles 38.4 | 19.59 | 1.41 |
| Tridemorph 29.3+ nitrile bacterium azoles 20.5 | 17.93 | 1.39 |
| Tridemorph 43.8 nitrile bacterium azoles 12.5 | 15.99 | 1.35 |
| Tridemorph | 13.93 | - |
| Nitrile bacterium azoles | 20.52 | - |
As can be seen from the table, any one is combined as the bactericide that is mixed in A tridemorph component A and B component Difenoconazole, propiconazole, Tebuconazole, the nitrile bacterium azoles, obvious synergistic effect is arranged, powdery mildew to difficult control on the agricultural has good control efficiency to compare with existing single agent bactericide with leaf spot, and it has improved 2-3 doubly to control vegetables, wheat powdery mildew and sigatoka effect.
Embodiment
Below in conjunction with embodiment this content is described further:
Containing tridemorph is the composite bactericide composition of main component, its composite bactericide composition contains by component A and component B to be formed, its described component A is a tridemorph, described component B is any one of Difenoconazole, propiconazole, Tebuconazole, nitrile bacterium azoles, wherein component B also includes auxiliary material, component A: component B is 1 part～40 parts in quality than ratio: form complex composition for 99 parts～60 parts.
Describedly contain the composite bactericide composition that tridemorph is a main component, its component A: component B is 5 parts～30 parts in quality than ratio: form complex compositions for 95 parts～70 parts.
Describedly contain the composite bactericide composition that tridemorph is a main component, its component A: component B is 10 parts～25 parts in quality than ratio: form complex compositions for 90 parts～75 parts.
Describedly contain the composite bactericide composition that tridemorph is a main component, its component A: component B is 15 parts～20 parts in quality than ratio: form complex compositions for 85 parts～80 parts.
Describedly contain the composite bactericide composition that tridemorph is a main component, its component and component are pressed the content of mass ratio accumulation at 1 part～99 parts.
Describedly contain the composite bactericide composition that tridemorph is a main component, its component B also includes auxiliary material, and described auxiliary material is meant gets wherein in wetting agent, dispersant, surfactant, emulsifier, antifreezing agent, preservative, thickener, defoamer, cosolvent, disintegrant, adhesive agent, filler, the solvent auxiliary material that two or more uses simultaneously.
Describedly contain the composite bactericide composition that tridemorph is a main component, its component B also includes auxiliary material, and described auxiliary material comprises 8 parts～13 parts emulsifier, 3 parts～7 parts surfactants, 0.2 part～6 parts of antifreezing agents, 0.1 part～0.4 part thickener, 0.1 part～0.4 portion preservative, 0.2 part～0.5 part of defoamer, 4 parts～16 parts solvents, 2 parts～5 parts wetting agents, 4 parts～7 parts dispersants, with filler mend into, get in the auxiliary material that wherein two or more uses simultaneously.
Describedly contain the application that tridemorph is the composite bactericide composition of main component, its in above-mentioned said component A and component B in quality than ratio weigh mix after, water or solvent or filler are supplied 100 parts, can make different application forms, its formulation comprises: aqueous emulsion, water dispersible granules, wetting powder, missible oil.
Embodiment 1: prevent and treat powdery mildew
Press the tridemorph weight proportion (unless stated otherwise, all refer to mass parts) 20 parts, 15 parts of Difenoconazoles, 10 parts of emulsifier alkylbenzenesulfonates, 5 parts of surfactant alkylphenol polyoxyethylene, 0.3 part of antifreezing agent glycerine, 0.3 part of the poly-ethanol of thickener, 0.2 part of preservative sodium benzoate, defoamer silicone are cut 0.3 part of infusion, 5 parts of cosolvent dimethylbenzene, water is mended to 100 parts, make aqueous emulsion, this prescription is by 1500～2500 times of dilution sprayings, and 72 hours field control effects are 94.64% behind the medicine.This invention is that references object and 37% Difenoconazole aqueous emulsion are references object with 70% tridemorph aqueous emulsion, according to using with quadrat method, 72 hours preventive effects are respectively 30.52% and 43.8% behind the medicine, and obviously this mixture preparation all exceeds 2-3 doubly than both single agent preventive effects as can be seen.
Embodiment 2: prevent and treat leaf spot
Press the tridemorph weight proportion (unless stated otherwise, all refer to mass parts) 10 parts, 30 parts of Difenoconazoles, 11 parts of emulsifier alkylbenzenesulfonates, 5 parts of surfactant alkylphenol polyoxyethylene, 5 parts of antifreezing agent glycerine, 0.2 part of the poly-ethanol of thickener, 0.3 part of preservative sodium benzoate, defoamer silicone are cut 0.3 part of infusion, 15 parts of cosolvent dimethylbenzene, water is mended to 100 parts, make aqueous emulsion, this prescription is by 1500～3000 times of dilution sprayings, and 72 hours field control effects are 95.12% behind the medicine.This invention is that references object and 37% Difenoconazole aqueous emulsion are references object with 70% tridemorph aqueous emulsion, according to using with quadrat method, 72 hours preventive effects are respectively 40.36% and 38.52% behind the medicine, and obviously this mixture preparation all exceeds 2-3 doubly than both single agent preventive effects as can be seen.
Embodiment 3: prevent and treat powdery mildew
Press the tridemorph weight proportion (unless stated otherwise, all refer to mass parts) 29.8 parts, 12.5 parts of propiconazoles, 12 parts of emulsifier phenethyl phenol polyethenoxy ether phosphoric acid fat salt, solvent xylene is supplied 100 parts, make missible oil, this prescription is by 1000～2000 times of dilution sprayings, and 72 hours field control effects are 93.09% behind the medicine.This invention is that references object and 50% propiconazole emulsifiable concentrate are references object with 70% tridemorph missible oil, according to using with quadrat method, 72 hours preventive effects are respectively 58.31% and 50.05% behind the medicine, and obviously this mixture preparation all exceeds more than 1.5-2 times than both single agent preventive effects as can be seen.
Embodiment 4: prevent and treat leaf spot
Press 15 parts of tridemorph weight proportions (unless stated otherwise, all referring to mass parts), 28 parts of propiconazoles, 10 parts of emulsifier phenethyl phenol polyethenoxy ether phosphoric acid fat salt, solvent xylene is supplied 100 parts, system
Become missible oil, this prescription is by 1500～2000 times of dilution sprayings, and 72 hours field control effects are 94.02% behind the medicine.This invention is that references object and 50% propiconazole emulsifiable concentrate are references object with 70% tridemorph missible oil, and according to using with quadrat method, 72 hours preventive effects are respectively 42.45% and 49.21% behind the medicine, obviously as can be seen
This mixture preparation all exceeds more than 1.5-2.5 times than both single agent preventive effects.
Embodiment 5: prevent and treat powdery mildew
Press 30.8 parts of tridemorph weight proportions (unless stated otherwise, all referring to mass parts), 1 part of Tebuconazole, 3 parts of wetting agent sodium alkyl sulfonates, 5 parts of dispersant sodium lignin sulfonates, 2 parts in other auxiliary agent sodium sulphate, filler kaolin is supplied 100 parts, makes wetting powder.This prescription is by 1500～2000 times of dilution sprayings, and 72 hours field control effects are 94.11% behind the medicine.This invention is that references object and 80% Tebuconazole wetting powder are references object with 70% tridemorph wetting powder, according to using with quadrat method, 72 hours preventive effects are respectively 58.99% and 54.65% behind the medicine,, obviously this mixture preparation all exceeds more than 1.5-2 times than both single agent preventive effects as can be seen.
Embodiment 6: prevent and treat leaf spot
Press the tridemorph weight proportion (unless stated otherwise, all refer to mass parts) 20.8 parts, 26.3 parts of Tebuconazoles, 2 parts of wetting agent sodium alkyl sulfonates, 6 parts of dispersant sodium lignin sulfonates, 2 parts in other auxiliary agent sodium sulphate, filler kaolin is supplied 100 parts, makes wetting powder.This prescription is by 1500～2500 times of dilution sprayings, and 72 hours field control effects are 95.03% behind the medicine.This invention is that references object and 80% Tebuconazole wetting powder are references object with 70% tridemorph wetting powder, according to using with quadrat method, 72 hours preventive effects are respectively 53.54% and 54.12% behind the medicine, and obviously this mixture preparation all exceeds more than 1.5-2 times than both single agent preventive effects as can be seen.
Embodiment 7: prevent and treat powdery mildew
Press the tridemorph weight proportion (unless stated otherwise, all refer to mass parts) 11.2 parts of 40 parts, nitrile bacterium azoles, 5 parts of No. 54,4 parts of wetting agent neopelexes, 6 parts of polyethylene of dispersing agent pyrrolidones, adhesive agent lignin, 3 parts in disintegrant silica gel, filler potter's clay are supplied 100 parts, make water dispersible granules.This prescription is by 1500～2500 times of dilution sprayings, and 72 hours field control effects are 93.78% behind the medicine.This invention is that references object and 40% nitrile bacterium azoles water dispersible granules are references object with 70% tridemorph water dispersible granules, according to using with quadrat method, 72 hours preventive effects are respectively 58.31% and 50.05% behind the medicine, and obviously this mixture preparation all exceeds more than 1.5-2 times than both single agent preventive effects as can be seen.
Embodiment 8: prevent and treat leaf spot
Press the tridemorph weight proportion (unless stated otherwise, all refer to mass parts) 40.2 parts of 10.9 parts, propiconazole, 8 parts of No. 54,4 parts of wetting agent neopelexes, 5 parts of polyethylene of dispersing agent pyrrolidones, adhesive agent lignin, 6 parts in disintegrant silica gel, filler potter's clay are supplied 100 parts, make water dispersible granules.By 1500～2500 times of dilution sprayings, 72 hours field control effects are 94.33% behind the medicine with this prescription in this invention.This invention is that references object and 40 parts of nitrile bacterium azoles water dispersible granules are references object with 70 parts of tridemorph water dispersible granules, according to using with quadrat method, 72 hours preventive effects are respectively 56.86% and 54.32% behind the medicine, and obviously this mixture preparation all exceeds more than 1.5-2 times than both single agent preventive effects as can be seen.
Claims (3)
1. one kind contains the composite bactericide composition that tridemorph is a main component, it is characterized in that, its component by following weight proportion is formed: 20 parts of tridemorphs, 15 parts of Difenoconazoles, 10 parts of emulsifier alkylbenzenesulfonates, 5 parts of surfactant alkylphenol polyoxyethylene, 0.3 part of antifreezing agent glycerine, 0.3 part of the poly-ethanol of thickener, 0.2 part of preservative sodium benzoate, 0.3 part of defoamer silicone defoamer, 5 parts of cosolvent dimethylbenzene, water is mended to 100 parts, makes aqueous emulsion.
2. one kind contains the composite bactericide composition that tridemorph is a main component, it is characterized in that, its component by following weight proportion is formed: 10 parts of tridemorphs, 30 parts of Difenoconazoles, 11 parts of emulsifier alkylbenzenesulfonates, 5 parts of surfactant alkylphenol polyoxyethylene, 5 parts of antifreezing agent glycerine, 0.2 part of the poly-ethanol of thickener, 0.3 part of preservative sodium benzoate, 0.3 part of defoamer silicone defoamer, 15 parts of cosolvent dimethylbenzene, water is mended to 100 parts, makes aqueous emulsion.
3. one kind contains the composite bactericide composition that tridemorph is a main component, it is characterized in that, its component by following weight proportion is formed: 29.8 parts of tridemorphs, 12.5 parts of propiconazoles, 12 parts of emulsifier phenethyl phenol polyethenoxy ether phosphate salts, solvent xylene is supplied 100 parts, makes missible oil.
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| CN101999376A (en) * | 2010-12-11 | 2011-04-06 | 陕西美邦农药有限公司 | Tridemorph-containing germicide composition |
| CN102265840B (en) * | 2011-07-25 | 2013-08-28 | 东莞市瑞德丰生物科技有限公司 | Pesticide emulsifiable oil for preventing and controlling apple canker |
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Non-Patent Citations (3)
| Title |
|---|
| Dubois,G..Aurore. A polyvalent fungicide for cereals.CABI 入藏号：19942303342.1994,1. |
| Millet,A. |
| Millet,A.;Dubois,G..Aurore.A polyvalent fungicide for cereals.CABI 入藏号:19942303342.1994,1. * |
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Assignee: Shaanxi Meibang Pesticide Co., Ltd. Assignor: Zhang Shaowu Contract record no.: 2010610000036 Denomination of invention: Compound bactericide agent composition containing tridemorph as main component and use Granted publication date: 20100519 License type: Exclusive License Open date: 20080430 Record date: 20100706 |
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