CN104247712A - Dispersible oil suspending agent containing pyraclostrobin and mancozeb - Google Patents
Dispersible oil suspending agent containing pyraclostrobin and mancozeb Download PDFInfo
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- CN104247712A CN104247712A CN201410099938.3A CN201410099938A CN104247712A CN 104247712 A CN104247712 A CN 104247712A CN 201410099938 A CN201410099938 A CN 201410099938A CN 104247712 A CN104247712 A CN 104247712A
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- oil
- mancozeb
- suspending agent
- pyraclostrobin
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Abstract
The invention discloses a dispersible oil suspending agent containing pyraclostrobin and mancozeb. Specifically, the dispersible oil suspending agent contains 3-40% of pyraclostrobin, 5-60% of mancozeb, 2-25% of an emulsifier, 2-15% of a dispersant, 1-8% of a wetting agent, 1-7% of a thickening agent, 1-5% of an antifreezing agent, 1-6% of a stabilizer, and the balance a dispersion medium. With the characteristics of reasonable composition and environment-friendly dosage form, compared with existing single preparations, the dispersible oil suspending agent also has obvious synergistic effects in addition to very good bactericidal effect, and has good safety to crops. The dispersible oil suspending agent provided by the invention has excellent control effects on cucumber downy mildew and apple anthracnose.
Description
Technical field
The present invention relates to a kind of disinfectant use in agriculture, what be made up of the first active component pyraclostrobin and the second active component mancozeb specifically dispersibles oil-suspending agent, belongs to technical field of pesticide combination.
Background technology
Pyraclostrobin, has another name called pyraclostrobin, English common name: Pyraclostrobin, chemical name: methyl (N)-[[[1-(4-chlorobenzene) pyrazoles-3 base)-oxygen]-0-methoxyl group]-N-methoxymethyl carbamate.Fusing point 63.7 ~ 65.2 DEG C.Pyraclostrobin belongs to methoxy acrylic bactericide, mainly acts on the cytochrome b el compound in the mitochondrial respiratory chain of fungi, stops electron transmission thus Antifungi growth.Can prevent and kill off all types of fungal pathogens, fungicidal spectrum is wide, to various crop, comprise wheat class, grape, fruit tree, vegetables multiple diseases effective, be mainly used in preventing and treating grape powdery mildew, downy mildew; Wheat powdery mildew, rust; Leaf rust of barley; The black leaf cecospora spot of banana; Tomato morning, late blight etc.
Mancozeb, the large life of other Chinese names, English common name Mancozeb, chemical name: ethylene bisdithiocarbamic manganese and zinc complex salt.Mancozeb sterling is white powder, industrial goods are canescence or pale yellow powder, there is rotten-egg odour, be insoluble in water, be insoluble to most of organic solvent, but can be dissolved in pyridine, to light, heat, moist instability, easily decomposite carbon disulphide, chance alkaline matter or the material such as copper, mercury all easily decompose releases carbon disulphide and subtracts effect, and volatility is little.Mancozeb is the wider protective fungicide of fungicidal spectrum, mainly suppresses the oxidation of pyruvic acid in thalline, effective to multiple diseases such as the anthracnose on fruit tree, vegetables, early blight, simultaneously its normal and systemic fungicide mixture, for the generation of delaying drug resistance.Due to its this characteristic, the registration of current mancozeb and complex preparation thereof is based on wetting powder, but wetting powder drug effect is poor.
Dispersible oil-suspending agent and refer to oil to be dispersion medium, by high dispersive, stable pesticidal preparations that pesticide original medicine and various auxiliary agent (emulsifier, functional aid, inert filler etc.) obtain through soybean dietary fiber.Oils comprises vegetable oil or mineral oil, methyl esters oil.Dispersible oil-suspending agent dilute with water and be sprayed at easy formation one deck medicine film on plant, because plant surface has wax coat, according to similar blind date compatibility principle, infiltration conductivity is strong, and tackness is good, resistance of rainwater washing against, drug effect plays better, and utilization rate of active components is high, and formulation environmental protection.
Corn, wheat field herbicide mostly is at present at the oil-suspending agent Pesticidal products that dispersibles of Ministry of Agriculture's registration, the subject matter that prior art does not solve is: 1, the fusing point of the former medicine of pyraclostrobin lower (63.7 ~ 65.2 DEG C), dispersible sand milling temperature when oil-suspending agent is produced too high, former medicine dissolves and forms grume material, causing cannot sand milling and production, and the easy decomposition failure of active ingredient; 2, dispersibling oil-suspending agent is a kind of thermodynamic unstable system, and along with passage of time, change such as the knot end, layering etc. easily appears in mancozeb; 3, pyraclostrobin and composite the making of mancozeb dispersible oil-suspending agent, and the problem of above-mentioned two aspects exists simultaneously, and difficulty is larger.
Summary of the invention
The object of the present invention is to provide a kind of component reasonable, bactericidal effect is good, dispersibles oil-suspending agent to crop safety containing pyraclostrobin and mancozeb.
Another object of the present invention is to provide preparation the above-mentioned method dispersibling oil-suspending agent.
In order to overcome the defect of prior art, technical scheme of the present invention solves like this:
A kind ofly dispersible oil-suspending agent containing pyraclostrobin and mancozeb, be made up of the component of following percentage by weight: pyraclostrobin 3-40%, mancozeb 5-60%, emulsifier 2-25%, dispersant 2-15%, wetting agent 1-8%, thickener 1-7%, antifreezing agent 1-5%, stabilizing agent 1-6%, dispersion medium surplus.
Described emulsifier is selected from BY(castor oil polyoxyethylene ether) serial emulsifier (BY-110, BY-125, BY-140), calcium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether, Nongru-700 #(common name: alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201, this dish-60#(common name: sorbitan monostearate), Tween-60 #(common name: sorbitan monostearate APEO), agriculture breast 1601#(common name: phenethyl phenol polyoxyethylene poly-oxygen propylene aether), Huntsman Corporation of the TERSPERSE 4894(U.S. produces),
Described dispersant is selected from polycarboxylate, lignosulfonates, EO-PO block copolymer, phosphate and its esters, Sulfonates, alkylnaphthalene sulfonate (dispersing agent NNO), Huntsman Corporation of TERSPERSE 2020(U.S. product, alkyl naphthalene sulfonic acid salt);
Described wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, Huntsman Corporation of TERSPERSE 2500(U.S. product);
Described thickener is selected from as white carbon, polyvinyl alcohol, bentonite, attapulgite, aluminium-magnesium silicate;
Described antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts as sodium chloride;
Described stabilizing agent is selected from organic acid, organic base, ester class, alcohols, antioxidant, epoxychloropropane, tall oil;
Described dispersion medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate and esterification oils, diesel oil, machine oil, mineral oil and esters solvent.
The above-mentioned compound method dispersibling oil-suspending agent is: first dispersion medium, emulsifier, dispersant, wetting agent, stabilizing agent added reactor, mix, be uniformly dispersed; Add pyraclostrobin and the former medicine of mancozeb, thickener and antifreezing agent under high speed shear state, under zirconium pearl abrasive media, carry out sand milling, be ground to below particle diameter 5um, can obtain and dispersible oil-suspending agent containing pyraclostrobin and mancozeb.
The present invention is owing to adding different auxiliary agents, and make this dispersible oil suspending agent good dispersion, heat storage stability is good, and suspensibility is high, the combination of two kinds of compositions, the generation of the Disease Resistance delayed.The invention solves pyraclostrobin and mancozeb is mixed with the difficult problem dispersibling oil-suspending agent, this formulation is compared with its common dosage forms wetting powder, there is environmental protection, improve drug effect, high to crop safety, resistance of rainwater washing against, the feature that lasting period is long, to vegetables fruit tree powdery mildew, anthracnose, downy mildew, the corps diseases such as scab, ring spot, spot defoliation, leaf spot have good preventive effect.
Embodiment
In order to prevent and treat vegetables in agricultural production, fruit tree downy mildew, inventor has carried out mutual composite synergy with pyraclostrobin and mancozeb and has studied, and concrete grammar is:
Test adopts bacterium of downy mildew of cucumber (Pseudoperonospora cubensis) to be tested object.Former medicine is mixed with the test medicine (formulation is for dispersibling oil-suspending agent) of needs, test method is with reference to " People's Republic of China's agricultural industry criteria NY/T1156.3-2006 ".First single dose and each Mixed Pharmacy are arranged 5 variable concentrations gradients (on the basis of preliminary experiment result, bacteriostasis rate sets by geometric progression in the scope of 5% ~ 90%).Test target bacterium is the bacterium of downy mildew of cucumber blade picking up from from up to down 4 leaf positions, leaf ~ 6, field, with the Pseudoperonospora cubensis sporangium at 4 DEG C of distillation washing lower blade back sides, be made into suspension (concentration controls at every milliliter of 1 × 105 ~ 1 × 107 sporangium), deposit for subsequent use at 4 DEG C; Liquid is evenly sprayed in the healthy leaves back side, after liquid natural air drying, each process blade and blade is gone up dorsad, is emitted in moisture preservation box by after marks for treatment.Test is established and is not made blank containing the process of medicament.Vacuum side of blade is inoculated in ready Fresh spores capsule suspension drop 10 μ L.Every blade inoculation 4, often process is no less than 5 leaves.24h inoculation after chemicals treatment.Ware lid on inoculation bonnet, is placed in climatic cabinate or has the humidistat of illumination, and alternately, temperature is 17 DEG C ~ 22 DEG C to the continuous illumination in every day/dark 12h, cultivates under the condition of relative moisture more than 90%.Measure depending on process and blank incidence and record lesion diameter, unit is millimeter (mm), calculates control efficiency.By the linear regression analysis between the probit value of control efficiency and the logarithm value of series concentration, obtain the EC of each medicament
50value, calculates the co-toxicity coefficient (CTC) of mixture, evaluates the activity of reagent agent to germ with this by the abundant method of Sun Yun.
The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 120 show as summation action.
Toxicity Determination result shows: pyraclostrobin and mancozeb are that 1:20 ~ 2:1 is mixed with weight ratio has good virulence to bacterium of downy mildew of cucumber, all has significant synergistic effect.
Be described further content of the present invention below in conjunction with embodiment, the percentage in formula is all weight percentage.
Example of formulations 1
Take pyraclostrobin 5%, mancozeb 50%, fatty alcohol-polyoxyethylene ether 3%, polyoxyethylene polyoxypropylene block copolymer 5%, calcium dodecyl benzene sulfonate 7%, castor oil polyoxyethylene ether 3%, white carbon 1%, organobentonite 1%, BHT 2%, methyl oleate supplies 100%.Above-mentioned raw materials, through mixing, is less than 5 um i.e. obtained 55% pyraclostrobin mancozeb with sand mill sand milling to particle diameter and dispersibles oil-suspending agent.
Example of formulations 2
Take pyraclostrobin 10%, mancozeb 40%, fatty alcohol-polyoxyethylene ether 3%, TERSPERSE 2,020 5%, calcium dodecyl benzene sulfonate 5%, BY-110# 2%, Tween-60 #3%, white carbon 1%, aluminium-magnesium silicate 1%, soybean oil supplies 100%.Above-mentioned raw materials, through mixing, is less than 5um i.e. obtained 50% pyraclostrobin mancozeb with sand mill sand milling to particle diameter and dispersibles oil-suspending agent.
Example of formulations 3
Take pyraclostrobin 7%, mancozeb 35%, alkylphenol polyoxyethylene phosphate 3%, polyoxyethylene polyoxypropylene block copolymer 5%, calcium dodecyl benzene sulfonate 4%, Nongru-700 # 3%, castor oil polyoxyethylene ether 2%, white carbon 1%, organobentonite 1%, BHT 2%, corn oil supplies 100%.Above-mentioned raw materials, through mixing, is less than 5um i.e. obtained 42% pyraclostrobin mancozeb with sand mill sand milling to particle diameter and dispersibles oil-suspending agent.
Example of formulations 4
Take pyraclostrobin 3%, mancozeb 5%, fatty alcohol-polyoxyethylene ether 3%, dispersing agent NNO 3%, this dish-60#6%, agriculture breast 2201# 3%, polyvinyl alcohol 3%, BHT2%, epoxychloropropane 2%, methyl oleate supplies 100%.Above-mentioned raw materials, through mixing, is less than 5um i.e. obtained 8% pyraclostrobin mancozeb with sand mill sand milling to particle diameter and dispersibles oil-suspending agent.
Above-mentioned pharmaceutical formulation, accelerate the test of heat storage property, active ingredient is not decomposed, mancozeb suspension rate≤95%, pyraclostrobin suspension rate≤93%.
Biological Examples: control apple anthracnose field trial
Within 2013, carry out example of formulations 1(55% pyraclostrobin mancozeb in Xianyang, Shanxi province city and dispersibled oil-suspending agent) prevent and treat apple anthracnose field trial, demonstrate this medicament to the control efficiency of apple anthracnose, effective dose and the safety to apple.Trial crops is apple tree, and controlling object is apple anthracnose [Glomerella cingulata (Stonem.) Schr.etSpanld.].Test is located at Xingping City, Xianyang shop Zhang Zhen, and soil is clay, and physical features is smooth, and soil fertility is even, pH value 7.1, fertility is better, experimental field cultivation condition uniformity, and apple variety is Fuji apple, the age of tree is 15 years, and distance between rows and hills is 5m × 6m, and this garden anthracnose occurs heavier over the years.Test medicine and extension rate refer to table 2.Separately establish blank, 3, every community tree, Gong72Ge community, random district group arranges.Spray medicine controlling experiment carries out from their early stage, spray medicine 3 times altogether respectively at June 25, July 25, August 25, the dispenser of full tree even spraying, with leave dual sides, fruit face even medicine, slightly medicine drips and drops down for spending.
Investigation and statistical method:
Before gathering, investigate drug effect, 2 strain trees are investigated in every community, and every strain is set from east, south, west, north, middle different azimuth, divide position, upper, middle and lower, the random minimum selective examination in every orientation 20 fruits, record the onset grade of each fruit, calculate the preventive effect of disease index and medicament with this.Some skies after 1st day and medicine after each spray medicine, observe medicament and respectively process impact on fruit and blade.
Sick fruit grade scale:
0 grade: without scab;
1 grade: every fruit 1-2 sick scars;
3 grades: every fruit 3-4 sick scars;
5 grades: every fruit 5-6 sick scars;
7 grades: every fruit 7-10 sick scars;
9 grades: every fruit more than 10 sick scars.
Field test results shows: 55% pyraclostrobin mancozeb dispersible oil-suspending agent 800 times, 1000 times, 1200 times have good preventive effect to apple anthracnose, preventive effect is respectively 92.02%, 89.05%, 87.16%, be better than the preventive effect under 55% pyraclostrobin mancozeb wettable powder same dose, also 25% pyraclostrobin missible oil 1000 times, 70% mancozeb wettable powder 600 is obviously better than doubly to the preventive effect of apple anthracnose, preventive effect difference reaches pole significance level, shows significant synergistic effect.
To the security survey of apple tree, within after each spray medicine after the 1st day and medicine some days, observe, each test process occurs without poisoning phenomenon fruit, blade, but two kinds of wetting powder medicaments create powder to Apple surface, have certain influence to commodity value.
Result of the test shows that pyraclostrobin and composite the making of mancozeb dispersible oil-suspending agent, significantly improves the control efficiency to apple anthracnose, reduces dosage and drug cost, to apple development safety, is the favourable agents of control apple anthracnose.
Claims (7)
1. one kind dispersibles oil-suspending agent containing pyraclostrobin and mancozeb, it is characterized in that the described oil-suspending agent that dispersibles is made up of the component of following percentage by weight: pyraclostrobin 3-40%, mancozeb 5-60%, emulsifier 2-25%, dispersant 2-15%, wetting agent 1-8%, thickener 1-7%, antifreezing agent 1-5%, stabilizing agent 1-6%, dispersion medium surplus;
Described emulsifier is selected from BY series emulsifier, calcium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether, Nongru-700 #, agriculture breast 2201, this dish-60#, Tween-60 #, agriculture breast 1601#, TERSPERSE 4894;
Described dispersant is selected from polycarboxylate, lignosulfonates, EO-PO block copolymer, phosphate and its esters, Sulfonates, alkylnaphthalene sulfonate, TERSPERSE 2020;
Described wetting agent is selected from alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, alkylphenol polyoxyethylene phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, TERSPERSE 2500;
Described thickener is selected from as white carbon, polyvinyl alcohol, bentonite, attapulgite, aluminium-magnesium silicate.
2. dispersible oil-suspending agent according to claim 1 containing pyraclostrobin and mancozeb, it is characterized in that: described antifreezing agent is selected from ethylene glycol, propane diols, glycerine, urea, inorganic salts as sodium chloride.
3. dispersible oil-suspending agent according to claim 1 containing pyraclostrobin and mancozeb, it is characterized in that: described stabilizing agent is selected from organic acid, organic base, ester class, alcohols, antioxidant, epoxychloropropane, tall oil.
4. dispersible oil-suspending agent according to claim 1 containing pyraclostrobin and mancozeb, it is characterized in that: described dispersion medium is selected from soybean oil, rapeseed oil, corn oil, methyl oleate and esterification oils, diesel oil, machine oil, mineral oil and esters solvent.
5. contain the compound method dispersibling oil-suspending agent of pyraclostrobin and mancozeb described in claim 1, it is characterized in that: first dispersion medium, emulsifier, dispersant, wetting agent, stabilizing agent added reactor, mix, be uniformly dispersed; Add pyraclostrobin and the former medicine of mancozeb, thickener and antifreezing agent under high speed shear state, under zirconium pearl abrasive media, carry out sand milling, be ground to below particle diameter 5um, can obtain and dispersible oil-suspending agent containing pyraclostrobin and mancozeb.
6. the oil-suspending agent that dispersibles containing pyraclostrobin and mancozeb described in claim 1 is preventing and treating vegetables fruit tree powdery mildew, anthracnose, downy mildew, the application in scab, ring spot, spot defoliation, leaf spot.
7. apply according to claim 6, corps diseases is cucumber downy mildew or apple anthracnose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099938.3A CN104247712B (en) | 2014-03-19 | A kind of pyraclostrobin-containing and Mancozeb dispersible oil-suspending agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099938.3A CN104247712B (en) | 2014-03-19 | A kind of pyraclostrobin-containing and Mancozeb dispersible oil-suspending agent |
Publications (2)
| Publication Number | Publication Date |
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| CN104247712A true CN104247712A (en) | 2014-12-31 |
| CN104247712B CN104247712B (en) | 2016-11-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104397A (en) * | 2015-09-25 | 2015-12-02 | 安徽美兰农业发展股份有限公司 | Pyraclostrobin and metiram compound water dispersible granules and preparation method thereof |
| CN107047546A (en) * | 2017-03-14 | 2017-08-18 | 广西特色作物研究院 | A kind of dispersible oil-suspending agent of Mancozeb using mineral oil as medium and preparation method thereof |
| WO2017203527A1 (en) | 2016-05-24 | 2017-11-30 | Adama Makhteshim Ltd. | Oil liquid fungicidal formulation |
| CN111328821A (en) * | 2020-03-03 | 2020-06-26 | 上海悦联生物科技有限公司 | Bactericide composition containing pyraclostrobin and mancozeb |
| CN115316397A (en) * | 2022-09-08 | 2022-11-11 | 利民化学有限责任公司 | Application of bactericidal composition for preventing and treating diaporthe citri |
| CN115843818A (en) * | 2022-09-08 | 2023-03-28 | 利民化学有限责任公司 | Oil suspending agent containing mancozeb and fluopyram |
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| CN1930981A (en) * | 2005-09-15 | 2007-03-21 | 南京第一农药有限公司 | Germicide composition containing pyraclostrobin and mancozeb and its application |
| CN102302025A (en) * | 2011-03-12 | 2012-01-04 | 陕西汤普森生物科技有限公司 | Bactericidal composition containing pyraclostrobin and thiocarbamate |
| WO2012117572A1 (en) * | 2011-03-01 | 2012-09-07 | Sumitomo Chemical Company, Limited | Pest controlling composition and method for controlling pests |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930981A (en) * | 2005-09-15 | 2007-03-21 | 南京第一农药有限公司 | Germicide composition containing pyraclostrobin and mancozeb and its application |
| WO2012117572A1 (en) * | 2011-03-01 | 2012-09-07 | Sumitomo Chemical Company, Limited | Pest controlling composition and method for controlling pests |
| CN102302025A (en) * | 2011-03-12 | 2012-01-04 | 陕西汤普森生物科技有限公司 | Bactericidal composition containing pyraclostrobin and thiocarbamate |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104397A (en) * | 2015-09-25 | 2015-12-02 | 安徽美兰农业发展股份有限公司 | Pyraclostrobin and metiram compound water dispersible granules and preparation method thereof |
| WO2017203527A1 (en) | 2016-05-24 | 2017-11-30 | Adama Makhteshim Ltd. | Oil liquid fungicidal formulation |
| CN107047546A (en) * | 2017-03-14 | 2017-08-18 | 广西特色作物研究院 | A kind of dispersible oil-suspending agent of Mancozeb using mineral oil as medium and preparation method thereof |
| CN111328821A (en) * | 2020-03-03 | 2020-06-26 | 上海悦联生物科技有限公司 | Bactericide composition containing pyraclostrobin and mancozeb |
| CN115316397A (en) * | 2022-09-08 | 2022-11-11 | 利民化学有限责任公司 | Application of bactericidal composition for preventing and treating diaporthe citri |
| CN115843818A (en) * | 2022-09-08 | 2023-03-28 | 利民化学有限责任公司 | Oil suspending agent containing mancozeb and fluopyram |
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