CN102119695B - Effect-enhancing bactericidal composition containing fluazinam and hexaconazole and application of same - Google Patents
Effect-enhancing bactericidal composition containing fluazinam and hexaconazole and application of same Download PDFInfo
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- CN102119695B CN102119695B CN 201010017626 CN201010017626A CN102119695B CN 102119695 B CN102119695 B CN 102119695B CN 201010017626 CN201010017626 CN 201010017626 CN 201010017626 A CN201010017626 A CN 201010017626A CN 102119695 B CN102119695 B CN 102119695B
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Abstract
The invention discloses an effect-enhancing bactericidal composition containing fluazinam and hexaconazole and the application of the same. The fluazinam and the hexaconazole serve as main active components of the composition, wherein the mass ratio of the fluazinam to the hexaconazole is 30:1 to 1:20. The composition disclosed by the invention is suitable for the preparation of a bactericide forpreventing and treating crop diseases of wheat, peanut, fruit trees and vegetable, and has the advantages of synergetic effect enhancement, expanded prevention and control spectrum and good effect; moreover, the total content of administered active components is reduced, and the cost is lowered.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of Synergistic bactericidal composition and application thereof that contains fluazinam and own azoles alcohol.
Background technology
Fluazinam (kresoxim-methyl) is a kind of efficient, wide spectrum, new pyridine series bactericidal agent.Be applicable to that phytophthora root rot, rotten stalk break, black spot, scab and other pathogene diseases such as control cereal class, various melon and fruit, vegetables, grape, apple, pears, oranges and tangerines, soybean, potato, tomato, cucumber, tea, lawn have good control efficiency.Concrete disease such as gray mold of cucumber, citrus scab, gray mold, potato late blight, lawn spot disease.Except bactericidal activity, fluazinam also demonstrates the acaricidal activity to two spotted spider mite etc.
Own azoles alcohol is absorption triazole bactericidal agent in the high-efficiency broad spectrum type of new generation, tool protection, therapeutic action.The mechanism of action causes cell membrane not form for destroying and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, is germ death.Be applicable to fruit tree, vegetables, peanut, coffee, grape, disease, the especially disease that basidiomycetes and Ascomycetes are caused due to control such as tea tree, lawn, ornamental plants in garden and various cereal crops sac fungi, basidiomycetes and the imperfect fungus.
But these two kinds of compositions use separately on agricultural, and consumption is big, and the bactericidal effect instability, also are faced with resistance problem simultaneously, and control efficiency descends.Fluazinam import price height particularly, usable floor area is confined on the high part crops of economic value added, and it is less to use area, can not use in the crop pests control widely.
Summary of the invention
The objective of the invention is provides a kind of Synergistic bactericidal composition that contains fluazinam and own azoles alcohol at above-mentioned weak point.
Another object of the present invention provides the application of this Synergistic bactericidal composition.
A kind of Synergistic bactericidal composition that contains fluazinam and own azoles alcohol, this bactericidal composition serves as main effectively active component with fluazinam and own azoles alcohol, wherein, the mass ratio of fluazinam and own azoles alcohol is 30: 1～1: 20, is preferably 20: 1～1: 15.
In the described bactericidal composition, the auxiliary agent that fluazinam and own azoles are pure and known is mixed with any one formulation that allows on the agricultural chemicals.These known auxiliary agents have dispersant, diffusant, defoamer, wetting agent, disintegrant etc.Its formulation is pulvis, wetting powder, suspending agent, microemulsion, missible oil or granule preferably.
The two the gross mass percentage composition in composition of fluazinam and own azoles alcohol is 1～80%, and the preferred mass degree is 5～60%.
Described bactericidal composition is used in the bactericide of preparation control corps diseases, preferably in the bactericide of preparation control wheat, peanut, fruit tree or vegetable crop disease, use, particularly the application in the bactericide of preparation control wheat powdery mildew, the cercospora brown spot of peanut, powdery mildew of cucumber, apple scab and banana anthracnose.
Beneficial effect of the present invention compared with the prior art: the used fluazinam of the present invention is the pyridines bactericide, and own azoles alcohol is triazole bactericidal agent, is mixed mutually and can not produces low touching, but on the contrary can Synergistic, the expanding prevention spectrum, effective, and the minimizing dosage reduces cost.
Embodiment
The invention will be further described below in conjunction with embodiment, and the preparation method of formulation is conventional method among the embodiment.
Embodiment 1:
Fluazinam 10g, own azoles alcohol 10g, agricultural newborn 300# 10g, dimethylbenzene are added to 100g, and mixture fully mixes to all resembling transparency liquid, makes the missible oil of active ingredient 20%.
Embodiment 2:
Fluazinam 40g, own azoles alcohol 10g, naphthalene sulfonate 6g, polysiloxane defoamers 0.2g, xanthans 0.3g, water are added to 100g and mixes, stir by the one-level sand mill, secondary sand mill sand milling, in modulation kettle, allocate, carry out the suspending agent that the dosage packing makes effective content 50% after inspection by sampling is qualified.
Embodiment 3:
With fluazinam 4g, own azoles alcohol 6g, draw back powder 3g, dispersing agent NNO (sodium methylene bis-naphthalene sulfonate) 2g, white carbon 5g, kaolin adds to 100g, mixture carries out air-flow to be pulverized, and makes active constituent content and be 10% wetting powder.
Embodiment 4:
Fluazinam 20g, own azoles alcohol 10g, naphthalene sulfonate 6g, polysiloxane defoamers 0.2g, xanthans 0.3g, water are added to 100g and mixes, stir by the one-level sand mill, secondary sand mill sand milling, in modulation kettle, allocate, carry out the suspending agent that the dosage packing makes effective content 30% after inspection by sampling is qualified.
Embodiment 5:
With fluazinam 50g, own azoles alcohol 10g, naphthalene sulfonate 6g, ammonium sulfate 4g, kaolin adds to 100g, active ingredient dissolving back adds the wetting dispersing agent naphthalene sulfonate, add ammonium sulfate again, back interpolation filler kaolin stirs, grind the pressure granulation after the mixing, it is 60% water-dispersible granules that oven dry can make active constituent content.
Embodiment 6:
Fluazinam 4g, own azoles alcohol 1g, naphthalene sulfonate phosphoric acid esters wedding agents 5g, bentonite 2g, xanthans 0.3g, ethylene glycol 5g, polyvinyl alcohol blending modification film forming agent 0.2g, pigment 0.2g, water are added to 100g, active component, bentonite, emulsifier and part water fully mixed stir the husky mill in back, add successively in modulation kettle then that can to make active constituent content after film forming agent, thickener, antifreezing agent and excess water fully mix be 5% suspension seed-coating agent.
Embodiment 7:
With fluazinam 15g, own azoles alcohol 30g, draw back powder 4g, dispersing agent NNO (sodium methylene bis-naphthalene sulfonate) 3g, white carbon 8g, kaolin adds to 100g, mixture carries out air-flow to be pulverized, and makes active constituent content and be 45% wetting powder.
Embodiment 8:
With fluazinam 10g, own azoles alcohol 30g, naphthalene sulfonate 6g, ammonium sulfate 4g, kaolin adds to 100g, and active ingredient dissolving back adds wetting dispersing agent, and filler is added in the back that stirs, grind the pressure granulation after the mixing, it is 40% water-dispersible granules that oven dry can make active constituent content.
Embodiment 9:
Fluazinam 3g, own azoles alcohol 60g, naphthalene sulfonate 6g, polysiloxane defoamers 0.2g, xanthans 0.3g, water are added to 100g and mixes, stir by the one-level sand mill, secondary sand mill sand milling, in modulation kettle, allocate, carry out the suspending agent that the dosage packing makes effective content 63% after inspection by sampling is qualified.
Embodiment 10:
With fluazinam 70g, own azoles alcohol 3g, naphthalene sulfonate 6g, ammonium sulfate 4g, kaolin adds to 100g, and active ingredient dissolving back adds wetting dispersing agent, and filler is added in the back that stirs, grind the pressure granulation after the mixing, it is 73% water-dispersible granules that oven dry can make active constituent content.
Application Example 1: prevent and treat the experiment of powdery mildew of cucumber
1. be that indoor conventional screening is felt the powdery mildew kind with cucumber for studying thing
2. test is handled: this test medicine consumption arranges 5 concentration gradients according to the difference of composition, and the contrast medicament is 50% fluazinam suspending agent and 25% hexaconazole suspending agent and the contrast of blank clear water.
3. test method: from the cucumber cotyledons phase, on the cucumber leaves that 2 true leaves are arranged, the spray medicine is handled after 24 hours with cucurbits powdery mildew bacterium spore suspension spray inoculation.Inspection method is calculated co-toxicity coefficient for statistics blade disease index.
4. result of the test sees the following form
| Medicament | Regression equation | EC 50(95% confidence interval) (mg/L) | Co-toxicity coefficient (CTC) |
| 50% fluazinam suspending agent | Y＝1.9841+2.1104x | 52.75(43.371～74.724) | / |
| 25% hexaconazole suspending agent | Y＝1.4231+1.5451x | 78.345(83.371～127.76) | / |
| Embodiment 1 | Y＝2.9493+1.2583x | 33.256(26.763～47.456) | 177.86 |
| Embodiment 2 | Y＝2.8265+1.1254x | 22.923(18.743～34.453) | 252.45 |
| Embodiment 3 | Y＝1.4774+1.4972x | 50.285(41.435～65.761) | 147.32 |
From Toxicity Determination, two kinds of combination of active principles its co-toxicity coefficient together have obvious synergistic effect greater than 100.
Following each test all refers to the consumption of active ingredient in each preparation with dosage.
Application Example 2: control wheat powdery mildew test
Experimental condition and the results are shown in following table:
1, test is handled: this test medicine consumption is established three concentration for the treatment of respectively according to the difference of each composition, and the contrast medicament is respectively commercially available agricultural chemicals 500g/l fluazinam suspending agent and 25% hexaconazole suspending agent and the test of blank clear water.
2, each residential quarter area of test method is 66.7m
2, repeat 3 times; Inspection drug effect method before the dispenser after investigation and the control is: random sampling 5 points in the test treatment region, and 10 clumps every, check wheat powdery mildew generation disease index, calculate preventive effect.
3, result of the test sees the following form:
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable.
Field efficacy is the result show, fluazinam and own azoles alcohol composition have good control efficiency to wheat powdery mildew, and control efficiency all is better than single agent kind.
Application Example 2: control banana anthracnose test
Experimental condition and the results are shown in following table:
4, test is handled: this test medicine consumption is established three concentration for the treatment of respectively according to the difference of each composition, and the contrast medicament is respectively commercially available agricultural chemicals 500g/l fluazinam suspending agent and 25% hexaconazole suspending agent and the test of blank clear water.
5, each processing of test method repeats 3 times; Inspection drug effect method before the dispenser after investigation and the control is: random sampling 5 points in the test treatment region, check banana anthracnose generation disease index, and calculate preventive effect.
6, result of the test sees the following form:
| 25% hexaconazole suspending agent | 100 | 5.24 | 74.62bc |
| Blank | -- | 15.24 | -- |
Annotate: a is illustrated on α=0.05 level remarkable, and b is illustrated on α=0.05 level variant, and c is illustrated on α=0.05 level not remarkable.
Field efficacy is the result show, fluazinam and own azoles alcohol composition have good control efficiency to banana anthracnose, and control efficiency all is better than single agent kind.
Claims (4)
1. Synergistic bactericidal composition that contains fluazinam and own azoles alcohol, it is characterized in that this bactericidal composition is active component with fluazinam and own azoles alcohol, wherein, the mass ratio of fluazinam and own azoles alcohol is 20:1～1:15, and the two mass percentage content in composition of fluazinam and own azoles alcohol is 5～60%.
2. bactericidal composition according to claim 1 is characterized in that the pure and known auxiliary agent of fluazinam and own azoles is mixed with any one formulation that allows on the agricultural chemicals.
3. bactericidal composition according to claim 2 is characterized in that formulation is pulvis, wetting powder, suspension emulsion, missible oil or granule.
4. the described bactericidal composition of claim 1 is prevented and treated application in the bactericide of the cercospora brown spot of peanut, apple scab and banana anthrax in preparation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010017626 CN102119695B (en) | 2010-01-08 | 2010-01-08 | Effect-enhancing bactericidal composition containing fluazinam and hexaconazole and application of same |
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| CN 201010017626 CN102119695B (en) | 2010-01-08 | 2010-01-08 | Effect-enhancing bactericidal composition containing fluazinam and hexaconazole and application of same |
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| CN102119695A CN102119695A (en) | 2011-07-13 |
| CN102119695B true CN102119695B (en) | 2013-09-18 |
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| CN101984822B (en) * | 2010-08-06 | 2012-12-12 | 东莞市瑞德丰生物科技有限公司 | Germicide composition |
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