CN102369941A - Insecticidal and acaricidal composition containing bifenazate and chlorfenapyr - Google Patents
Insecticidal and acaricidal composition containing bifenazate and chlorfenapyr Download PDFInfo
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- CN102369941A CN102369941A CN2010102583124A CN201010258312A CN102369941A CN 102369941 A CN102369941 A CN 102369941A CN 2010102583124 A CN2010102583124 A CN 2010102583124A CN 201010258312 A CN201010258312 A CN 201010258312A CN 102369941 A CN102369941 A CN 102369941A
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Abstract
The invention discloses an insecticidal and acaricidal composition containing bifenazate and chlorfenapyer, and a preparation method and application thereof. The insecticidal composition is characterized by containing bifenazate, chlorfenapyr and other auxiliary agents, wherein a mass ratio of bifenazate to chlorfenapyr is 70:1-60:1. The composition can be applied to control of various insects on various crops and is safe, environment-friendly, at low costs and with good effect. According to indoor virulence determination and field drug effect test, complex formulation of the two compounds is proved to have obvious synergism on target insects. And no report about complex formulation of bifenazate and chlorfenapyer is disclosed home or abroad, so the invention is provided.
Description
Technical field
The invention belongs to the agriculture chemical compounding field, relate to a kind of insecticide acaricide composition and application thereof, especially a kind of is the insecticide acaricide composition and the application thereof of main active with Bifenazate and chlorfenapyr.
Technical background
In the real process of agricultural production, use chemical agent and be the most effectively means of control plant pest, but be the generation of pest resistance to insecticide through the problem that the chemical control insect is easy to generate most.And long-term use single chemical insecticide continuously high dose, cause a series of problems such as residual, environmental pollution of medicament easily.Reasonably chemical insecticide is composite or be mixed and have the expansion insecticidal spectrum; Improve control efficiency, prolong the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay insect evil mite drug resistance and positive characteristics such as drug-fast generation and development, insecticidal/acaricidal agent is composite or to be mixed be one of the effective method the most that addresses the above problem.Exploitation new product insecticide price is constantly soaring, and by contrast, exploitation is efficient with research, low toxicity, low-residual composite be mixed have small investment, the lead time is short and receive domestic and international attention, strengthens the development dynamics one after another.
Bifenazate (bifenazate): 3-(4-methoxyl biphenyl base-3-yl) carbazic acid isopropyl ester
Bifenazate is a biphenyl hydrazine class miticide.Its pure article outward appearance is a white crystalline solid; Molten point is 121.5～123.0 ℃; Vapour pressure (25 ℃): 3.8 * 10
-7Pa; Solvability (20 ℃): be 2.1mg/L in water; In the organic solvent (g/L): in the toluene 24.7, in the ethyl acetate 102, in the methyl alcohol 44.7, in the acetonitrile 95.6, in the hexane 0.232, in the 1-octanol 8.91; Distribution coefficient (n-octyl alcohol/water): Log Pow=3.5; Bifenazate is that a kind of new selective foliar spray is used miticide.Its mechanism of action is the unique effect to GABA (GABA) acceptor of the nervous centralis conducting system of mite class.Its each life stage to mite is effective, has ovicidal activity and knocks down activity (48～72h), and the lasting period is long to what become mite.Show through Toxicity Determination and field control effectiveness test result, better to the control efficiency of apple tree two spotted spider mite.Dosage is 160～240mg/kg (2000～3000 times of liquid of said preparation dilution), uses in mite class harm initial stage foliar spray.About lasting period 14d, recommend in the using dosage scope crop safety.To parasitic wasp, predation mite, Chrysopa low-risk.
Chlorfenapyr (chlorfenapyr):
Have another name called capillary, external title is named and is eliminated, and belongs to aryl and adjoins and coughs up compounds, is through the chemical constitution transformation that contains the pyrrole ring natural antibiotics is able to successfully develop, and absorption is very strong in it, and the while is used non-resistant each other with other drug.Insect is had stronger stomach poison function and certain action of contace poison, and its mechanism of action is unique, and the lasting period is long, and the evil of the various pests on fruit tree, vegetables, cotton, legume crop mite is had preventive effect preferably.Toxicity to the person poultry toxicity is lower, is the efficient pesticide-miticide of quite being paid close attention at present.
Summary of the invention
The present invention's pleasantly surprised discovery in the Toxicity Determination experiment, Bifenazate and chlorfenapyr are composite can to improve the activity to insect greatly, and the insect to agent of Bifenazate list and chlorfenapyr list agent generation resistance has higher activity equally.
The present invention realizes through following measures.
A kind of insecticide acaricide composition, it contains Bifenazate and chlorfenapyr, and wherein the weight ratio of Bifenazate and chlorfenapyr is 1: 70～60: 1.
Described insecticide acaricide composition, wherein the more excellent weight ratio of Bifenazate and chlorfenapyr is 1: 50～50: 1.
Described insecticide acaricide composition, wherein to accumulate the weight ratio of shared preparation be 1～71% to two kinds of active principles of Bifenazate and chlorfenapyr.
Described insecticide acaricide composition, Bifenazate and chlorfenapyr and auxiliary agent, carrier etc. are processed into any one formulation that allows on the agricultural chemicals.
Described insecticide acaricide composition is characterized in that the formulation that can be processed into is suspending agent, aqueous emulsion, microemulsion, wetting powder, soluble powder, water dispersible granules and microcapsule formulations etc.
Described insecticide acaricide composition is used to prevent and treat mite class on the various crop, lepidoptera pest etc.
Insecticides with synergistic effect takes following measure to realize:
One of technical scheme of the present invention, described insecticide acaricide composition are suspending agent, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Dispersant 5～20%
Antifreezing agent 0.5～3%
Thickener 0.1～2%
Antifoaming agent 0.1～0.8%
Water surplus
The concrete production stage of this insecticide acaricide composition suspending agent is earlier other auxiliary agents to be mixed; Mix through high speed shear; Add Bifenazate and chlorfenapyr; Abrading-ball is 2～3 hours in ball crusher, makes a diameter all below 5mm, makes the suspending agent preparation that contains the insecticide acaricide composition of Bifenazate and chlorfenapyr of the present invention.
Two of technical scheme of the present invention, described insecticide acaricide composition are aqueous emulsion, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Emulsifier 3～30%
Solvent 5～15%
Stabilizing agent 2～15%
Antifreezing agent 1～5%
Antifoaming agent 0.1～8%
Thickener 0.2～2%
Water surplus
The concrete production stage of this insecticide acaricide composition aqueous emulsion is: at first former medicine Bifenazate is added with chlorfenapyr, solvent and emulsifier, cosolvent and be in the same place, make and be dissolved into uniform oil phase; With part water, antifreeze, other insecticides adjuvant such as antimicrobial mixes into uniform aqueous phase; When the agitated reactor high speed stirs, oil phase is added water, slowly add water, open clipper and carry out high speed shear, and add remaining water, shear half an hour approximately, form the aqueous emulsion of oil-in-water type until reaching the phase inversion point.Promptly make the aqueous emulsion of the insecticide acaricide composition that contains Bifenazate and chlorfenapyr.
Three of technical scheme of the present invention, described insecticide acaricide composition are microemulsion, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Solvent 1～30%
Emulsifier 3～30%
Stabilizing agent 2～15%
Synergist 2～10%
Water 10～78%
The concrete procedure of processing of this insecticide acaricide composition microemulsion is: Bifenazate and the former medicine of chlorfenapyr are added in the solvent; Add auxiliary agents such as emulsifier, stabilizing agent and synergist while stirring; At last it is added in the entry and stir, form transparent and homogeneous liquid, promptly get the microemulsion of the present composition.
Four of technical scheme of the present invention, described insecticide acaricide composition are wetting powder, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Dispersant 3～20%
Wetting agent 3～10%
Filler 10～70%
The concrete procedure of processing of this insecticide acaricide composition wetting powder is: press above-mentioned prescription with Bifenazate and chlorfenapyr and dispersant, wetting agent and filler mixing; In stirred tank, evenly stir; Behind airslide disintegrating mill, mixing, promptly can be made into the wetting powder of the present composition.
Five of technical scheme of the present invention, described insecticide acaricide composition are soluble powder, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Dispersant 3～20%
Stabilizing agent 3～10%
Adhesive agent 1～5%
Filler 10～70%
The concrete procedure of processing of this Herbicidal combinations soluble powder is: press above-mentioned prescription with Bifenazate and chlorfenapyr and dispersant, stabilizing agent, adhesive agent and filler mixing; In stirred tank, evenly stir; Behind airslide disintegrating mill, mixing, promptly can be made into the soluble powder of the present composition.
Six of technical scheme of the present invention, described insecticide acaricide composition are water dispersible granules, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Dispersant 3～20%
Wetting agent 3～10%
Disintegrant 2～5%
Filler 10～70%
The concrete procedure of processing of this insecticide acaricide composition water dispersible granules is: by above-mentioned prescription Bifenazate, chlorfenapyr and dispersant, wetting agent, disintegrant and filler are mixed; Pulverize with micro jet; Through mediating; Add then and carry out granulation, drying, screening in the fluidized bed prilling dryer after sample analysis makes the water dispersible granules that contains the insecticide acaricide composition of Bifenazate and chlorfenapyr of the present invention.
Seven of technical scheme of the present invention, described insecticide acaricide composition are microcapsule formulations, and the percentage by weight of component is:
Bifenazate 1～60%
Chlorfenapyr 1～70%
Urea 5～20%
Formaldehyde 5～20%
Emulsifying dispersant 5～20%
Antifreezing agent 1～5%
Thickener 0.1～2%
Antifoaming agent 0.1～0.8%
Water surplus
This insecticide acaricide composition microcapsule formulations procedure of processing is: in the there-necked flask of agitating device is housed, add urea and formaldehyde (amount of substance ratio be about 1: 1.5～2.0); About pH value to 8～9 with the sodium hydroxide solution regulator solution; Be warming up to 70～80 ℃ then, reaction obtains stable urea resin prepolymer.The former medicine of getting a certain amount of Bifenazate and chlorfenapyr is dissolved in the cyclohexane, and in solution, adds emulsifying dispersant, follows vigorous stirring, and being made into the aqueous solution that contains emulsifying dispersant is the O/W type stable emulsion of water.Above-mentioned urea resin prepolymer is added in the emulsion, regulate the pH value, polymerization reaction take place under the acid catalysis condition is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Select to add an amount of auxiliary agent, the microcapsule suspending agent that gets final product stablely.
Described emulsifier is selected from any one or more mixtures formed with arbitrary proportion in calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, APES sulfosuccinate, styryl phenol APEO, NPE, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, the polyoxyethylene aliphatic alcohol ether.
Described dispersant is selected from one or more in polycarboxylate, sodium lignin sulfonate, APES formaldehyde condensation products sulphate, alkyl benzene sulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, APES, aliphatic acid polyethenoxy ether, polyoxyethylene carboxylate, the fatty acid glyceride APEO.
Said solvent is any one or more mixed solvents formed with arbitrary proportion in xylol or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine oil, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), the water equal solvent.
Described wetting agent is selected from: one or more in lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, wetting and penetrating agent F, alkylnaphthalene sulfonate, alkylphenol ethoxylate, polyoxyethylene triphenylethylene phosphenylic acid salt, spaonin powder, silkworm excrement, the soapberry powder.
Said synergist is meant to have the medicament of enhancing penetration; Wetting extended capability; Knock down insect speed; Improve the resistance of rainwater washing against power of agricultural chemicals, thereby improve one type of safety, environmental protection of agricultural insecticide effect, the New-type adjuvant of nontoxic, noresidue, optional in organic silicon pesticide synergist ZC-650 or organic silicon pesticide bleeding agent spreading agent Agrowet810c, agricultural organic silicon pesticide synergist Silwet408, azone any.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, the sodium bicarbonate.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described antimicrobial is selected from: one or both in Sodium Benzoate, sodium salicylate, the sodium sorbate.
Described stabilizing agent is selected from: a kind of in sodium citrate, resorcinol, the oxirane.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, diethylene glycol (DEG), the triethylene glycol.
Described antifoaming agent is selected from: silicone oil, silicone compound, C
10-20Saturated fat acid compounds, C
8-10In aliphatic alcohols compound and the polyoxyethylene glycerol ether one or more.
Described emulsifying dispersant comprises: wetting agent, dispersant, stabilizing agent, thickener, antifoaming agent and antifreezing agent etc.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, the precipitated calcium carbonate.
The invention has the beneficial effects as follows:
1, the used Bifenazate of the present invention is a pyrrole insecticides, differs greatly with the anabasine insecticide chlorfenapyr mechanism of action, and does not have cross resistance.
2, composite two kinds of insecticide double action mechanism can delay the generation of pest resistance to insecticide.
3, reduced the agricultural chemicals usage amount, strengthened friendly environment.
Embodiment: the different proportioning co-toxicities of Bifenazate with chlorfenapyr
1.1 supply the reagent agent
The former medicine of 97% Bifenazate, the former medicine of 94% chlorfenapyr, above-mentioned former medicine provides by Qingdao Hailir Pesticides and Chemical Co., Ltd..
1.2 supply examination worm source
The examination mite is picked up from the Citrus Research Institute Of Chinese Academy Of Agricultural Sciences test site, and the cultivation management term harmonization is not used medicament in the recent period, adopts the blade that rewinds citrus red mite (crm), and is subsequent use after normal temperature laboratory (about 25 ℃) raised for 2 generations with fresh citrus leaves down.
1.3 single agent assay method slide infusion process
Choose female that individual size is consistent, body colour is scarlet if mite; To try the mite back side with writing brush sticks on the slide that posts cloth insertion sheet; Every slide dilution intervals on the basis of prerun, is dissolved in acetone with two kinds of former medicines respectively; Be diluted to 5 concentration gradient soups with the 0.1% Tween 80 aqueous solution again, place beaker subsequent use.The glutinous slide that the examination mite arranged is immersed in the good soup 5 seconds; Each handles four repetitions, after taking-up tiltedly is put in porcelain dish edge drying, is put in the Glass carrier box; Do not add a cover the illumination box of putting into (25 ± 1) ℃, humidity 70%～80%; Illumination every day 10 hours, microscopy life or death mite number (with its foot of fine, soft fur style of writing, the nonresponder is dead) after 24 hours.The average correction lethality of examination mite is converted into probit value (Y), and concentration of treatment (mg/L) converts logarithm value (x) to, draws virulence regression equation Y=a+bx with method of least squares, calculates LC
50Standard error is equivalent.Press the computational methods of Sun Yunpei and calculate co-toxicity coefficient CTC.
1.4 the joint toxicity measuring method of different proportionings
According to the toxicity test result of single agent, be 20% quality than chlorfenapyr in total active ingredient: the ratio that Bifenazate was respectively 10: 10,8: 12,6: 14,4: 16,2: 18 is mixed.Adopt above-mentioned 1.3 methods to carry out toxicity test, calculate LC
50, and press the abundant method of Sun Yun and calculate co-toxicity coefficient (CTC).Co-toxicity coefficient CTC, computing formula is following: (with the Bifenazate is the standard medicament, and its toxicity index is 100):
The LC of actual toxicity index (ATI)=Bifenazate of M
50The LC of/M
50* 100
TI * P the chlorfenapyr of the TI * P Bifenazate+chlorfenapyr of theoretical toxicity index (TTI)=Bifenazate of M
TTI * 100 of the ATI/M of the co-toxicity coefficient of M (CTC)=M
In the formula: M is a chlorfenapyr and the mixture of the different proportionings of Bifenazate
The P chlorfenapyr is chlorfenapyr shared ratio in mixture
The P Bifenazate is Bifenazate shared ratio in mixture
2.1 toxicity test result
Bifenazate, chlorfenapyr are to the indoor measurement result of citrus red mite (crm)
Can find out that from table in being mixed of different proportion, its co-toxicity coefficient shows certain synergistic effect, wherein chlorfenapyr all greater than 120: Bifenazate is that 6: 14 synergistic effect is the most obvious, and co-toxicity coefficient is 157.78.Result of the test shows that chlorfenapyr, two kinds of medicaments of Bifenazate all have higher activity to the tangerine Panonychus citri under indoor conditions.The result of the test of different proportion proportioning shows; By the active ingredient chlorfenapyr: Bifenazate is 10: 10,8: 12,6: 14,4: 16,2: 18 o'clock; All show stronger synergistic effect, wherein with chlorfenapyr: Bifenazate is 6: 14 o'clock, and synergistic effect is best.Suggestion is carried out further field control effectiveness test to the mixture preparation of 6: 14 left and right sides scopes of suitable proportion, to estimate its field practical application effect.
3.1 field experiment is surveyed panonychus citri, European red mite
3.1 field experiment is surveyed panonychus citri, European red mite (two experimental techniques are identical)
3.1 test method
3.1.1 application method
Precious jade China carries out in the oranges and tangerines garden panonychus citri EE in the Zhijiang City, Hubei Province.Carry out to June 10 on May 6th, 2010, the European red mite EE in the Xianyang, Shanxi province city Liquan apple master plant the district carry out, carry out on June 20th, 2010 to July 23.
When making up a prescription, after with low amounts of water medicament fully being dissolved earlier, add and carry out the complete stool spraying after the suitable quantity of water and handle, the sub-district spouting liquid is used by 675 liters/hectare, only sprays medicine one time.Spraying equipment is a WF-16 type knapsack hand sprayer, and shower nozzle is single fan nozzle, and operating pressure is 0.2-0.4Mpa, and spray amount is 0.36-0.48L/min, carries out the routine spraying, makes every effort to evenly thoughtful during the spray medicine.
3.1.2 investigation method
Each sub-district is at East, West, South, North, the tender tip of middle five positions mark of every strain tree; Investigate 25 movable mite quantity on the leaf altogether, hand magnifier is directly observed the blade face, investigation mite mouth radix before medicine; 1d, 3d, 7d, 14d, 21d, 28d investigate the remaining mite number alive in each sub-district respectively behind the medicine; Calculate the mite mouth rate that goes down, go down rate relatively, calculate relative control effect with contrast.
3.1.3 drug effect computational methods
Mite number * 100 before the rate that goes down (%)=(mite number after the preceding several dispensers of mite of dispenser)/dispenser
Correction rate or preventive effect (%)=(the treatment region mite mouth rate of going down-check plot mite mouth go down rate)/(1-check plot mite mouth go down rate) * 100 of going down
3.1.4 poisoning investigation method
Whether continuous 14d range estimation medicament has poisoning to crop after the dispenser.
3.2 field control effectiveness test result of the test
Table 2 is handled chemical control citrus red mite (crm) field control effectiveness test result
Can find out that from table 2 Mixed Pharmacy of different proportion carries out field experiment by different consumptions; Each time investigation all shows its control efficiency to panonychus citri and all is superior to contrasting medicament behind the medicine; 20% (chlorfenapyr: Bifenazate) (6: 14) after dispenser 3 days, 7 days, 14 days; Control efficiency to panonychus citri obviously was superior to 2 contrast medicaments in 28 days, and the miticidal effect of two contrast medicament the inside 50% Bifenazate SC is also relatively good.According to the observation to field experiment process whole process, in the test dose scope, mandarin tree grows fine, and each is handled medicament and the poisoning phenomenon all do not occur, explains that it is safe to oranges and tangerines.In process of the test, testing crew finds that its rust mite evil mites such as (blister mites) all has fine preventive effect.
Table 3 is handled chemical control European red mite field control effectiveness test result
Can find out from table 3; The Mixed Pharmacy of different proportion carries out field experiment by different consumptions, and each time investigation all shows its control efficiency to European red mite and all is superior to contrasting medicament behind the medicine; 20% (chlorfenapyr: Bifenazate) (6: 14) after dispenser 3 days; 7 days, 14 days, the control efficiency to European red mite obviously was superior to 2 contrast medicaments in 28 days.According to the observation to field experiment process whole process, in the test dose scope, apple tree grows fine, and each is handled medicament and the poisoning phenomenon all do not occur, explains that it is safe to apple.
To sum up twice field experiment result is said; The present invention contains the Pesticidal combination of Bifenazate and chlorfenapyr, and unique because of these two composition mechanisms of action, Bifenazate is effective to each life stage of mite; Have ovicidal activity and knock down activity (48～72h) what become mite; The lasting period of chlorfenapyr is long, can avoid the Bifenazate lasting period to lack the factor of (about 14d), and the two composite can effectively solution is really distinguished the phenomenon that does harm to mite " difficult beating ".Recommend in the using dosage scope crop safety.To parasitic wasp, predation mite, Chrysopa low-risk.This technology is to panonychus citri, oranges and tangerines blister mite; Scale insect, insects such as European red mite show good control efficiency, to the target crop safety; Compare with single agent; It is few that Pesticidal combination of the present invention has dosage, instant effect, lasting period long (checking can reach more than 30 days through field experiment), delays the advantage that pest resistance to insecticide produces, so; Research and development of the present invention and promote raising to the fruit quality in vast fruit tree producing region, the orchard worker get rich and the protection of local ecotope has crucial meaning.
Claims (5)
1. Pesticidal combination, it is characterized in that: contain two kinds of active components of Bifenazate and chlorfenapyr, wherein the weight ratio of Bifenazate and chlorfenapyr is 70: 1～60: 1.
2. Pesticidal combination according to claim 1 is characterized in that: the more excellent weight ratio of Bifenazate and chlorfenapyr is 50: 1～50: 1.
3. Pesticidal combination according to claim 1 is characterized in that: the percentage by weight that Bifenazate and chlorfenapyr are accumulated shared preparation is 1～71%.
4. Pesticidal combination according to claim 1 is characterized in that: Bifenazate and chlorfenapyr and auxiliary agent and cosolvent are re-dubbed any one formulation that allows on the agricultural chemicals.
5. Pesticidal combination according to claim 4 is characterized in that: the formulation that can be processed into is suspending agent, aqueous emulsion, microemulsion, wetting powder, soluble powder, water dispersible granules and microcapsule formulations etc.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102613219A (en) * | 2012-03-16 | 2012-08-01 | 广东中迅农科股份有限公司 | Synergistic mite-killing compound containing bifenazate and chlorfenapyr |
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| CN1478391A (en) * | 2003-07-08 | 2004-03-03 | 云大科技股份有限公司 | Pirate mixture pesticide preparation and its preparation method |
| CN101530109A (en) * | 2009-04-27 | 2009-09-16 | 陕西上格之路生物科学有限公司 | Bifenazate-containing insecticidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000029700A (en) * | 1998-06-19 | 2000-01-28 | Motorola Inc | Data processing system having branch control and method therefor |
| CN1478391A (en) * | 2003-07-08 | 2004-03-03 | 云大科技股份有限公司 | Pirate mixture pesticide preparation and its preparation method |
| CN101530109A (en) * | 2009-04-27 | 2009-09-16 | 陕西上格之路生物科学有限公司 | Bifenazate-containing insecticidal composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102613219A (en) * | 2012-03-16 | 2012-08-01 | 广东中迅农科股份有限公司 | Synergistic mite-killing compound containing bifenazate and chlorfenapyr |
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