CN102228043A - Bactericide water dispersible granules compounded from difenoconazole and pyraclostrobin and preparation method thereof - Google Patents
Bactericide water dispersible granules compounded from difenoconazole and pyraclostrobin and preparation method thereof Download PDFInfo
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- CN102228043A CN102228043A CN201110116627XA CN201110116627A CN102228043A CN 102228043 A CN102228043 A CN 102228043A CN 201110116627X A CN201110116627X A CN 201110116627XA CN 201110116627 A CN201110116627 A CN 201110116627A CN 102228043 A CN102228043 A CN 102228043A
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Abstract
The invention relates to bactericide water dispersible granules compounded from difenoconazole and pyraclostrobin and a preparation method thereof, belonging to the technical field of pesticides. The bactericide water dispersible granules are prepared from the following components in percentages by weight: 5-50% of difenoconazole, 5-30% of pyraclostrobin, 1-8% of dispersing agent, 1-4% of wetting agent, 1-15% of disintegrating agent, 1-3% of binder and the balance of carrier. The bactericide water dispersible granules have the advantages of favorable dispersibility, favorable wettability, high suspension rate, high disintegrating speed, easiness for packaging and storage, no dust pollution in the production process and the like, and have a further expanded bactericidal spectrum.
Description
Technical field
The present invention relates to composite bactericide water-dispersible granules of a kind of Difenoconazole and pyraclostrobin and preparation method thereof, belong to technical field of pesticides.
Background technology
Pesticidal preparations is progressively to safe, environmental protectionization, water baseization development, a kind of novel form that has superiority and competitiveness most in the current formulations of pesticide of water-dispersible granules.Water-dispersible granules has also shown following several characteristics except the characteristics with general granula: (1) does not have dust from flying, has reduced the pollution to environment, to operator's safety, and can make that the toxic articles kind is low to be poisoned.(2) compare with suspending agent with wetting powder, the active constituent content height, the product relative density is big, and volume is little, is convenient to packing, stores and transportation.(3) bin stability and physical and chemical stability are better, and particularly to unsettled agricultural chemicals in water, it is better than suspending agent to make this formulation.(4) disintegration rate of particle is fast, and particle one touches water can be immediately by moistening, and disintegration rapidly in the process that sinks under the water.(5) particle after the disintegration, is dispersed into minimum particulate very soon in water, and disintegration is sieved through 325 order wet methods after stirring, and O.3% residue is not more than on the sieve.(6) suspension stability is better, and the soup for preparing did not use up the same day, can suspend again through stirring in second day, does not influence drug effect.(7) be dispersed in particle in the liquid and only need stir tiny particulate a little and can be dispersed in well in the liquid, sprayed up to soup and can keep uniformity.Water-dispersible granules is considered to both have all advantages of granula, the performance that has the suspending agent polymolecularity again, reduce during the formulations of pesticide more and more highlyer as the cry of organic solvents such as toluene, dimethylbenzene in the world in processing, increasing will obtain bigger social benefit and economic benefit to the research of water-dispersible granules in addition.
Difenoconazole; chemical name: suitable; instead-and 3-chloro-4-[4-methyl-2-1H-1,2,4-triazol-1-yl methyl)-1; 3-two mute pentane-2-yls) phenyl 4-chlorphenyl ether is (suitable; inverse proportion is about 45:55), have protection, treatment and systemic activity, be sterol demethylation inhibitor; suppress the biosynthesis of cell wall sterol, stop fungi growth.Fungicidal spectrum is wide, and leaf surface treatment or seed treatment can improve output and the guaranteed quality of crop.To Ascomycetes, Basidiomycetes and comprise Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia partly know disease, Erysiphaceae, Uredinales and some are planted and are passed pathogen lasting protection and therapeutic action are arranged.Also fine to bitter rot or anthracnose of grape, white rot effect.
The Difenoconazole preparation of present domestic registration mainly be single agent emulsifiable solution, single agent suspending agent, single agent aqueous emulsion, single agent microemulsion and dispersive granule and with other bactericide compounded suspending agent, aqueous emulsion, microemulsion and dispersive granule, do not see the bactericide dispersive granule composite with pyraclostrobin.
Pyraclostrobin, chemical name: N-2 one [1 one (4 monochloro-benzenes) 1H-pyrazoles-3-yloxymethyl] phenyl (N one methoxyl group) methyl carbamate is a methoxy acrylic bactericide.Efficiently, wide spectrum; have protection, treat, root out, permeate and interior absorption, nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc. are all had good activity.Can be used for cauline leaf spraying, seed treatment, also can carry out soil treatment.
The pyraclostrobin preparation of present domestic registration mainly be single agent emulsifiable solution, with the composite dispersive granule of other agricultural chemicals, do not see the bactericide dispersive granule composite with Difenoconazole.
Single agent product of above-mentioned two kinds of agricultural chemicals in use develops immunity to drugs at present, and drug effect descends much than before, and the control cost also obviously increases.
Summary of the invention
The objective of the invention is to overcome the defective of Difenoconazole and pyraclostrobin list agent product, composite bactericide dispersive granule of little Difenoconazole of a kind of good drug efficacy, pesticide resistance and pyraclostrobin and preparation method thereof is provided.
For achieving the above object, the technical solution adopted in the present invention is:
The bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following component by mass percent: Difenoconazole 5%～50%, pyraclostrobin 5%～30%, dispersant 1%～8%, wetting agent 1%～4%, disintegrant 1%～15%, binding agent 1%～3%, surplus is a carrier.
The ratio of the mass percent of described Difenoconazole is 20%～30%.
The ratio of the mass percent of described pyraclostrobin is 10%～20%.
The ratio of the mass percent of described dispersant is 4%～6%, and dispersant is one or more in alkyl sodium salt, lignosulfonates and derivative thereof, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol-polyethenoxy and formaldehyde condensation products sulphate, polycarboxylate and derivative thereof, cresols-formaldehyde and sodium sulphite condensation product, alkylaryl sulfonates phenethyl phenol polyethenoxy ether and the derivative thereof etc.As sodium lignin sulfonate, MorwetD-425, MorwetD-110, TERSPENSE2425, TERSPENSE2700 etc.MorwetD-425, MorwetD-110 are the product of Akzo Nobel (AKZO NOBEL) company.
The ratio of the mass percent of described wetting agent is 2%～3%, and wetting agent is one or more in alkylnaphthalene sulfonate, fatty acid amide N methyl taurine salt, alkylsulfonate, alkylaryl polyoxyethylene ether sulfate, the fat fatty alcohol-polyoxyethylene ether etc.As lauryl sodium sulfate, draw back powder, dodecyl sulphate barium, MorwetEFW, TERWET1004 etc.MorwetEFW is the product of Akzo Nobel (AKZO NOBEL) company.TERWET1004 selects the deliver a letter product of chemical industry Co., Ltd of Shanghai for use.
The ratio of the mass percent of described disintegrant is 8%～10%, and disintegrant is any one or the multiple mixture in sodium sulphate, ammonium sulfate, urea, sodium bicarbonate, carboxymethyl cellulose, modified starch, methylcellulose, HEMC, sodium laurate, sodium alginate, the aluminium-magnesium silicate.
The ratio of the mass percent of described binding agent is 1.5%～2.5%, and binding agent is any one or the multiple mixture in polyvinylpyrrolidone, sodium carboxymethylcellulose, white granulated sugar, starch, soluble starch, polyvinyl alcohol, xanthans, the polyethylene glycol.The product that sodium carboxymethylcellulose selects for use Xinfeng, Dacheng County, Hebei province cellulose factory to produce.
Described carrier is any one or the multiple mixture in kaolin, diatomite, white carbon, potter's clay, attapulgite, atlapulgite, the fine particle calcium carbonate.
The preparation method of the bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite may further comprise the steps:
With Difenoconazole and pyraclostrobin and dispersant, wetting agent, disintegrant, binding agent, carrier; feed intake by charge ratio; and mix; carry out fine pulverizing through comminution by gas stream; mediate again; after extruder grain or carry out granulation, drying in the fluidized granulating machine promptly gets product.
The preparation method of the bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite may further comprise the steps:
With water, Difenoconazole and pyraclostrobin, dispersant, wetting agent, disintegrant, binding agent, carrier, feed intake by charge ratio, join in the mixing kettle that has the high shear dispersion machine, and mix, make the suspension of solid content 50%～70%; Suspension forms material with the suspension of the particle size dispersion below 2.5 microns in water again by the physics peptizaiton of horizontal or vertical grinding machine; Suspension is pressed into drying tower with material from nozzle by membrane pump again, is split into drop; Hot-air in the drying tower is to enter in the tower by the hot-air distributor on the top cover, sprays into thermal air current from top to bottom, and evaporation drying forms dry spheric granules powder; Draw off from discharging opening; Thinner particulate material is extracted by air exhauster with dry air and enters dust pelletizing system, and thinner particulate material recovery set is used in the mixing kettle that has the high shear dispersion machine.
The present invention has good dispersion, wetability is good, suspensibility is high, disintegration rate is fast, easily packing, easily store, advantage such as no dust pollution has further enlarged fungicidal spectrum in the production process.
The invention provides a kind of efficient, low toxicity, pollution-free, environment, people, animal safety and germ are difficult for producing composite bactericide water-dispersible granules of the Difenoconazole of resistance and pyraclostrobin and preparation method thereof.
Technical indicator of the present invention is:
The project indicator
Difenoconazole content 5%～50%;
Pyraclostrobin content 5%～30%;
Suspensibility 〉=90%;
PH value 4.5～8;
Heat storage stability (54 ± 2 ℃, 14 days)
Difenoconazole resolution ratio≤2%,
Pyraclostrobin resolution ratio≤1.5%,
Wetting time (second)≤30,
Lasting foaming characteristic (1min, ml)≤25,
Disintegrative in the water (inferior)≤20,
Moisture (%)≤2.5.
Embodiment
The invention will be further described below by specific embodiment, but the present invention is not limited by following examples.
Embodiment 1
The bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following component by mass percent: under the situation of Difenoconazole content 95% and pyraclostrobin content 95%, Difenoconazole 20%, pyraclostrobin 10%, dispersant 6%, wetting agent 4%, disintegrant 5%, binding agent 2%, surplus are carrier.
Wherein, dispersant is MorwetD-425, and wetting agent is a lauryl sodium sulfate, and disintegrant is an aluminium-magnesium silicate, and binding agent is a sodium carboxymethylcellulose, and carrier is a kaolin.
Preparation method of the present invention may further comprise the steps:
With Difenoconazole and pyraclostrobin and dispersant, wetting agent, disintegrant, binding agent, carrier; feed intake by charge ratio; and mix; carry out fine pulverizing through comminution by gas stream; mediate again; after extruder grain or carry out granulation, drying in the fluidized granulating machine promptly gets product.
Embodiment 2
The bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following component by mass percent: under the situation of Difenoconazole content 95% and pyraclostrobin content 95%, Difenoconazole 30%, pyraclostrobin 20%, dispersant 8%, wetting agent 3%, disintegrant 5%, binding agent 0.5%, surplus are carrier.
Wherein, dispersant is MorwetD-425, and wetting agent is a lauryl sodium sulfate, and disintegrant is an aluminium-magnesium silicate, and binding agent is a sodium carboxymethylcellulose, and carrier is a kaolin.
Preparation method of the present invention may further comprise the steps:
With Difenoconazole and pyraclostrobin and dispersant, wetting agent, disintegrant, binding agent, carrier; feed intake by charge ratio; and mix; carry out fine pulverizing through comminution by gas stream; mediate again; after extruder grain or carry out granulation, drying in the fluidized granulating machine promptly gets product.
Embodiment 3
The bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following component by mass percent: under the situation of Difenoconazole content 95% and pyraclostrobin content 95%, Difenoconazole 25%, pyraclostrobin 15%, dispersant 4%, wetting agent 2%, disintegrant 8%, binding agent 1.5%, surplus are carrier.
Wherein, dispersant is a sodium lignin sulfonate, and wetting agent is for drawing back powder, and disintegrant is a sodium sulphate, and binding agent is an xanthans, and carrier is an atlapulgite.
Preparation method of the present invention may further comprise the steps:
With water, Difenoconazole and pyraclostrobin, dispersant, wetting agent, disintegrant, binding agent, carrier, feed intake by charge ratio, join in the mixing kettle that has the high shear dispersion machine, and mix, make the suspension of solid content 50%～70%; Suspension forms material with the suspension of the particle size dispersion below 2.5 microns in water again by the physics peptizaiton of horizontal or vertical grinding machine; Suspension is pressed into drying tower with material from nozzle by membrane pump again, is split into drop; Hot-air in the drying tower is to enter in the tower by the hot-air distributor on the top cover, sprays into thermal air current from top to bottom, and evaporation drying forms dry spheric granules powder; Draw off from discharging opening; Thinner particulate material is extracted by air exhauster with dry air and enters dust pelletizing system, and thinner particulate material recovery set is used in the mixing kettle that has the high shear dispersion machine.
Embodiment 4
The bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following component by mass percent: under the situation of Difenoconazole content 95% and pyraclostrobin content 95%, Difenoconazole 50%, pyraclostrobin 5%, dispersant 6%, wetting agent 4%, disintegrant 10%, binding agent 2.5%, surplus are carrier.
Wherein, dispersant is a sodium lignin sulfonate, and wetting agent is a dodecyl sulphate barium, and disintegrant is a urea, and binding agent is a white granulated sugar, and carrier is a fine particle calcium carbonate.
Preparation method of the present invention may further comprise the steps:
With Difenoconazole and pyraclostrobin and dispersant, wetting agent, disintegrant, binding agent, carrier; feed intake by charge ratio; and mix; carry out fine pulverizing through comminution by gas stream; mediate again; after extruder grain or carry out granulation, drying in the fluidized granulating machine promptly gets product.
Embodiment 5
The bactericide water-dispersible granules that a kind of Difenoconazole and pyraclostrobin are composite, formulated by following component by mass percent: under the situation of Difenoconazole content 95% and pyraclostrobin content 95%, Difenoconazole 5%, pyraclostrobin 30%, dispersant 1%, wetting agent 1%, disintegrant 3%, binding agent 1%, surplus are carrier.
Wherein, dispersant is MorwetD-110, and wetting agent is for drawing back powder, and disintegrant is an ammonium sulfate, and binding agent is a white granulated sugar, and carrier is a fine particle calcium carbonate.
Preparation method of the present invention may further comprise the steps:
With Difenoconazole and pyraclostrobin and dispersant, wetting agent, disintegrant, binding agent, carrier; feed intake by charge ratio; and mix; carry out fine pulverizing through comminution by gas stream; mediate again; after extruder grain or carry out granulation, drying in the fluidized granulating machine promptly gets product.
The foregoing description only is used to the inventive concept of the present invention of explaining, but not to the qualification of rights protection of the present invention, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin, it is characterized in that by following component by mass percent formulated: Difenoconazole 5%～50%, pyraclostrobin 5%～30%, dispersant 1%～8%, wetting agent 1%～4%, disintegrant 1%～15%, binding agent 1%～3%, surplus is a carrier.
2. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin, it is characterized in that: the ratio of the mass percent of described Difenoconazole is 20%～30%.
3. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin, it is characterized in that: the ratio of the mass percent of described pyraclostrobin is 10%～20%.
4. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin, it is characterized in that: the ratio of the mass percent of described dispersant is 4%～6%, and dispersant is one or more in alkyl sodium salt, lignosulfonates and derivative thereof, naphthalenesulfonic acid-formaldehyde condensate, alkylphenol-polyethenoxy and formaldehyde condensation products sulphate, polycarboxylate and derivative thereof, cresols-formaldehyde and sodium sulphite condensation product, alkylaryl sulfonates phenethyl phenol polyethenoxy ether and the derivative thereof etc.
5. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin; it is characterized in that: the ratio of the mass percent of described wetting agent is 2%～3%, and wetting agent is one or more in alkylnaphthalene sulfonate, fatty acid amide N methyl taurine salt, alkylsulfonate, alkylaryl polyoxyethylene ether sulfate, the fat fatty alcohol-polyoxyethylene ether etc.
6. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin, it is characterized in that: the ratio of the mass percent of described disintegrant is 8%～10%, and disintegrant is any one or the multiple mixture in sodium sulphate, ammonium sulfate, urea, sodium bicarbonate, carboxymethyl cellulose, modified starch, methylcellulose, HEMC, sodium laurate, sodium alginate, the aluminium-magnesium silicate.
7. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin, it is characterized in that: the ratio of the mass percent of described binding agent is 1.5%～2.5%, and binding agent is any one or the multiple mixture in polyvinylpyrrolidone, sodium carboxymethylcellulose, white granulated sugar, starch, soluble starch, polyvinyl alcohol, xanthans, the polyethylene glycol.
8. a kind of according to claim 1 Difenoconazole and the composite bactericide water-dispersible granules of pyraclostrobin is characterized in that: described carrier is any one or the multiple mixture in kaolin, diatomite, white carbon, potter's clay, attapulgite, atlapulgite, the fine particle calcium carbonate.
9. preparation method of the composite bactericide water-dispersible granules of Difenoconazole and pyraclostrobin according to claim 1 is characterized in that may further comprise the steps:
With Difenoconazole and pyraclostrobin and dispersant, wetting agent, disintegrant, binding agent, carrier; feed intake by charge ratio; and mix; carry out fine pulverizing through comminution by gas stream; mediate again; after extruder grain or carry out granulation, drying in the fluidized granulating machine promptly gets product.
10. preparation method of the composite bactericide water-dispersible granules of Difenoconazole and pyraclostrobin according to claim 1 is characterized in that may further comprise the steps:
With water, Difenoconazole and pyraclostrobin, dispersant, wetting agent, disintegrant, binding agent, carrier, feed intake by charge ratio, join in the mixing kettle that has the high shear dispersion machine, and mix, make the suspension of solid content 50%～70%; Suspension forms material with the suspension of the particle size dispersion below 2.5 microns in water again by the physics peptizaiton of horizontal or vertical grinding machine; Suspension is pressed into drying tower with material from nozzle by membrane pump again, is split into drop; Hot-air in the drying tower is to enter in the tower by the hot-air distributor on the top cover, sprays into thermal air current from top to bottom, and evaporation drying forms dry spheric granules powder; Draw off from discharging opening; Thinner particulate material is extracted by air exhauster with dry air and enters dust pelletizing system, and thinner particulate material recovery set is used in the mixing kettle that has the high shear dispersion machine.
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| CN201110116627XA CN102228043A (en) | 2011-05-06 | 2011-05-06 | Bactericide water dispersible granules compounded from difenoconazole and pyraclostrobin and preparation method thereof |
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Cited By (9)
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| CN102599179A (en) * | 2012-02-23 | 2012-07-25 | 吴元林 | Seed treatment composition containing pyraclostrobin and application thereof |
| CN102657199A (en) * | 2012-05-08 | 2012-09-12 | 杭州宇龙化工有限公司 | Sterilization composition containing difenodiconazole and pyraclostrobin |
| CN103548857A (en) * | 2013-08-21 | 2014-02-05 | 陕西康禾立丰生物科技药业有限公司 | Pyraclostrobin-containing pesticide composition |
| CN103563938A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof |
| CN106070272A (en) * | 2016-06-08 | 2016-11-09 | 广东中迅农科股份有限公司 | Composition pesticide containing Difenoconazole and pyraclostrobin |
| CN107897199A (en) * | 2017-12-29 | 2018-04-13 | 上海悦联生物科技有限公司 | A kind of composite bactericide composition of difenoconazole and pyraclostrobin |
| CN110089521A (en) * | 2019-04-03 | 2019-08-06 | 上海绿泽生物科技有限责任公司 | One kind is containing two class low melting point raw medicines compounding suspending agent and preparation method thereof |
| CN110583640A (en) * | 2019-09-30 | 2019-12-20 | 江苏七洲绿色化工股份有限公司 | Emulsifiable granule containing pyraclostrobin and difenoconazole and preparation method and application thereof |
| CN114831128A (en) * | 2022-04-06 | 2022-08-02 | 安徽华辰检测技术研究院有限公司 | Pesticide preparation containing difenoconazole and azoxystrobin |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599179B (en) * | 2012-02-23 | 2014-04-09 | 吴元林 | Seed treatment composition containing pyraclostrobin and application thereof |
| CN102599179A (en) * | 2012-02-23 | 2012-07-25 | 吴元林 | Seed treatment composition containing pyraclostrobin and application thereof |
| CN102657199A (en) * | 2012-05-08 | 2012-09-12 | 杭州宇龙化工有限公司 | Sterilization composition containing difenodiconazole and pyraclostrobin |
| CN102657199B (en) * | 2012-05-08 | 2013-08-07 | 杭州宇龙化工有限公司 | Sterilization composition containing difenodiconazole and pyraclostrobin |
| CN103563938A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Bactericidal composition containing pyraclostrobin and difenoconazole and application thereof |
| CN103548857B (en) * | 2013-08-21 | 2017-02-08 | 陕西康禾立丰生物科技药业有限公司 | Pyraclostrobin-containing pesticide composition |
| CN103548857A (en) * | 2013-08-21 | 2014-02-05 | 陕西康禾立丰生物科技药业有限公司 | Pyraclostrobin-containing pesticide composition |
| CN106070272A (en) * | 2016-06-08 | 2016-11-09 | 广东中迅农科股份有限公司 | Composition pesticide containing Difenoconazole and pyraclostrobin |
| CN107897199A (en) * | 2017-12-29 | 2018-04-13 | 上海悦联生物科技有限公司 | A kind of composite bactericide composition of difenoconazole and pyraclostrobin |
| CN110089521A (en) * | 2019-04-03 | 2019-08-06 | 上海绿泽生物科技有限责任公司 | One kind is containing two class low melting point raw medicines compounding suspending agent and preparation method thereof |
| CN110583640A (en) * | 2019-09-30 | 2019-12-20 | 江苏七洲绿色化工股份有限公司 | Emulsifiable granule containing pyraclostrobin and difenoconazole and preparation method and application thereof |
| CN114831128A (en) * | 2022-04-06 | 2022-08-02 | 安徽华辰检测技术研究院有限公司 | Pesticide preparation containing difenoconazole and azoxystrobin |
| CN114831128B (en) * | 2022-04-06 | 2024-06-07 | 安徽华辰检测技术研究院有限公司 | Pesticide preparation containing difenoconazole and azoxystrobin |
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Application publication date: 20111102 |