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162 results about "Fenvalerate" patented technology
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Fenvalerate is a synthetic pyrethroid insecticide. It is a mixture of four optical isomers which have different insecticidal activities. The 2-S alpha (or SS) configuration, known as esfenvalerate, is the most insecticidally active isomer. Fenvalerate consists of about 23% of this isomer.
Organic tobacco field planting and field managing method
InactiveCN102630478ARealize organic productionResidue reductionFertilising methodsTransplantingTerrainChemical control
Owner:云南省烟草公司保山市公司
Insecticide composition containing chlorantraniliprole, preparation method and application thereof
The invention relates to a pesticide composition, in particular to an insecticide composition. The composition comprises chlorantraniliprole with synergistic effective dose, abamectin or emamectin benzoate, and one of cyhalothrin, dursban, diazinon, acetamiprid, cypermethrin, alpha cypermethrin, thiamethoxam, thiacloprid, fenvalerate, propargite, diafenthiuron, benfuracarb, azocyclotin, buprofezin, ethofenprox, phonamiphos, fipronil, flufenoxuron, monosultap, dimehypo, imidacloprid, flufenoxuron, chlorfluazuron, pleocidin and tebufenozide, wherein the mass percentage of the three compositions is that: the chlorantraniliprole is 1 to 35 percent, the abamectin or the emamectin benzoate is 1 to 10 percent, and any one of the insecticides is 1 to 50 percent. The invention discloses a process for processing the compositions and application of the compositions in preparing insecticides for controlling agricultural, forestry and gardening insect pests.
Owner:NANKAI UNIV
Mixed insecticide composition containing fipronil
The re-compounded pesticide composition includes fipronil in the weight ratio to other component of 0.02-50, and at least one of the following pesticides: lambda-cyhalothrin, fenpropathrin, cycloprothrin, esfenvalerate, etofenprox, etc. It may have functional assistant, diluent or carrier added to compound into oil emulsion, soluble liquid, super low capacity sprayed agent, water emulsion, microemulsion or other preparation forms. It has wide pesticidal spectrum, high activity, low cost, less resistance and other features, and may be applied in preventing and controlling pests of rice, vegetable, cotton, corn, fruit tree, tobacco and other crops.
Owner:安徽华信国际控股股份有限公司
Novel esterase and application thereof
InactiveCN101985627AEfficient soluble expressionAdaptableHydrolasesFermentationDeltamethrinFenvalerate
The invention discloses deoxyribonucleic acid (DNA) of novel esterase. The nucleotide sequence of the DNA is shown as SEQ ID NO.1, and the amino acid sequence of the DNA is shown as SEQ ID NO.3. The invention also discloses an expression vector which contains the DNA of the novel esterase, recombinant esterase and the application of the recombinant esterase to the degradation of pyrethroid pesticide residues. The novel esterase and the recombinant esterase have efficient soluble expression in a bacillus coli expression system, and the recombinant esterase has efficient degrading effects on cyhalothrin, cypermethrin, fenvalerate, deltamethrin and the like.
Owner:SUN YAT SEN UNIV +1
Pesticide composition containing tebufenozide
The pesticide composition containing tebufenozide includes tebufenozide as the first active component and one kind of the second active component selected from monosultap, bisultap, triazophos, chlorpyrifos, trichlorfon, phoxim and other five kinds of pesticides. The present invention has reasonable component, low use, cost, and high pesticidal effect higher than the accumulation of its components.
Owner:通州正大农药化工有限公司 +1
Synergy insecticidal composition containing dinotefuran and pyrethrin pesticide and purpose thereof
InactiveCN102415406AOvercoming and delaying drug resistanceGood synergyBiocideAnimal repellantsDrug resistanceFenpropathrin
The invention relates to a synergy insecticidal composition containing dinotefuran and pyrethrin pesticide and purpose thereof. The synergy insecticidal composition contains main effective components of dinotefuran and pyrethrin pesticides. The pyrethrin is one selected from efficient cypermethrin, cyhalothrin, cyhalothrin, bifenthrin, alphacypermethrin, deltamethrin, fenvalerate, cypermethrin, fenpropathrin, silafluofen, efficient cyhalothrin and ethofenprox. The dinotefuran and pyrethrin are in a mass ratio of 0.1-80:0.1-50. The insecticidal composition can generate efficient synergism, overcome and delay resistance of insects and expand control spectrum, and has fast insecticidal speed and reduced drug usage cost. The insecticidal composition of the invention can be used for controlling homoptera insects of aphid and whitefly, etc. and has an effect obvious better than that of a single dose.
Owner:NANJING HUAZHOU PHARMA
Plant growth nutrient solution
The invention relates to a plant growth nutrient solution which is prepared from the following raw materials in parts by weight: 1.5 parts of zinc sulfate, 0.75 part of boric acid, 9 parts of urea, 7 parts of monopotassium phosphate, 2 parts of triacontanol, 14 parts of methyl alcohol, 1.5 parts of aspirin, 5 parts of potassium permanganate, 0.5 part of polyoxyethylene sorbitan glyceryl monooleate, 0.7 part of fenvalerate, 0.5 part of o-cresol, 3 parts of nicotinamide, 4 parts of ethylene oxide, 14 parts of ethylene, 2 parts of vitamin B6, 3 parts of sodium selenite, 5 parts of ammonium dihydrogen phosphate, 5 parts of sodium benzoate, 2 parts of sodium dodecyl benzene sulfonate, 1.5 parts of heteroauxin, 1.5 parts of gibberellin, 1.5 parts of cytokinin, 4 parts of garlic and 450 parts of deionized water. The plant growth nutrient solution has the beneficial effects that the rapid growth of plants is promoted, the mature periods of melons and fruits are earlier than planned within more than 10 days, the yields of melons and fruits are increased by more than 60%, and insect pests in each stage of the plants can be prevented and controlled.
Owner:尹红
Cultivation method for kadsura
InactiveCN106376417AGrowth benefitsPromote growthFertilising methodsCultivating equipmentsCypermethrinPhoxim
The invention discloses a cultivation method for kadsura. The method comprises the following steps: treating inter-planting land: filling a gully between two trenches with a medium; in the day before inter-planting, fully mixing the following components at weight ratio: activated carbon, cane sugar, naphthylacetic acid and indolebutyric acid, and then uniformly spraying to the medium; trans-planting: trans-planting at the ratio of pistillate plant to staminiferous plant of 6:1; pinching and topping: fertilizing at fixed period. According to the invention, before inter-planting in the prior art, sandy soil, straw ash and plant ash are added into the trenches so as to form the loosened and fertile growth soil for kadsura; insecticides, including cypermethrin, fenvalerate, isocarbophos, phoxim, hexythiazox, diluents and the like, are added, so that the roots and leaves are prevented from being damaged by insects; in the day before inter-planting, activated carbon, cane sugar, naphthylacetic acid and indolebutyric acid are sprayed to the trenches, so that the growth of the root of the kadsura is benefited; after the completion of inter-planting, the kadsura is periodically fertilized, different fertilizers are applied in different periods and the growth of the kadsura is benefited.
Owner:SICHUAN JUFENGGU AGRI TECH DEV CO LTD
Pesticide missible oil preparation
InactiveCN101731204AActive drug effect is goodAvoid side effectsBiocideAnimal repellantsCypermethrinChlorpyrifos
The invention relates to a pesticide missible oil preparation which comprises a pesticide active constituent, an emulsifying agent, a cosolvent and a solvent, wherein the solvent is glycerol; a TG-2201 emulsifying agent is preferably selected as the emulsifying agent; absolute ethyl alcohol is preferably selected as the cosolvent; the pesticide active constituent is a compound of abamectin and high-efficiency cypermethrin, a compound of chlorpyrifos and the high-efficiency cypermethrin, or a compound of fenvalerate and synergistic phosphorus. Because the glycerol is used for replacing toluene and dimethylbenzene of a traditional solvent, the active drug effect of the pesticide missible oil preparation is better than that of a missible oil preparation using the toluene or the dimethylbenzene as a solvent, and moreover, the replacement application of the glycerol used as the solvent solves the problem of toxic and side effects generated by using a large quantity of the toluene and the dimethylbenzene, thus the pesticide missible oil preparation belongs to a green environmental-friendly novel pesticide.
Owner:GUANGDONG FUERKANG CHEM TECH
Molecularly imprinted sensor for fenvalerate, preparation method and detection method
InactiveCN102749367ARealize detectionThe instrument is simpleMaterial electrochemical variablesPolymerAnalytical chemistry
The invention relates to a detection method for fenvalerate, a molecularly imprinted sensor for fenvalerate and a preparation method for the sensor. The detection method comprises the following steps: providing a molecularly imprinted electrochemical sensor for fenvalerate and a DPV detection system thereof and fitting a concentration calculation formula; providing sample liquid to be detected; detecting the peak current I[sample] of the sample liquid; and calculating the concentration of fenvalerate. The molecularly imprinted sensor comprises a gold electrode used as a substrate and a molecularly imprinted sensor membrane for fenvalerate prepared on the surface of the gold electrode by using an electropolymerization method, wherein the sensor membrane retains molecularly imprinted holes used for recognition of fenvalerate molecules. The preparation method for the sensor comprises the following steps: pretreating the gold electrode; preparing polymer fluid; preparing the polymer membrane; and eluting fenvalerate template molecules. According to the invention, an electrochemical detection way is employed in the invention; a great amount of complex pretreatment work is avoided, used apparatuses are simple, cost is low, and detection of fenvalerate in an on-site environment is realized. The sensor provided in the invention has the advantages of a simple preparation process, good selectivity and high sensitivity.
Owner:SHENZHEN POLYTECHNIC
Method for preventing diseases and insect pests of peach tree
InactiveCN103348886APrevention and treatmentIncrease productionCultivating equipmentsPlant protectionCypermethrinDisease
The invention relates to a method for preventing diseases and insect pests of a peach tree. The method comprises a disease prevention method and an insect pest prevention method, wherein the disease prevention method comprises steps as follows: at the end of the blooming period of the peach tree, insecticide is sprayed once for every 5-10 days and continuously sprayed for five times; the insect pest prevention method comprises steps as follows: (1) after flowers of the peach tree fade, 3,000-5,000 times of tianda pesticide is sprayed, and an abamectin mixed preparation is sprayed for 2-4 times; (2) a mixture of 2,000 times of 4.5% of efficient cypermethrin emulsifiable concentrate and 3,000 times of 20% of fenvalerate is sprayed in May in the same year; and (3) a mixture of 2,000 times of 4.5% of efficient cypermethrin emulsifiable concentrate and 3,000 times of 20% of fenvalerate is sprayed in June in the same year. The method effectively prevents morbidity of the peach tree, improves output of peaches, and increases income of a fruit grower.
Owner:句容市春来早果品专业合作社
Application of esterase gene est816 and recombinant esterase thereof in degrading pyrethroid pesticides
InactiveCN107058362AEfficient soluble expressionRetain relative enzyme activityFungiBacteriaCypermethrinHeterologous
The invention discloses an application of an esterase gene est816 and a recombinant esterase thereof in degrading pyrethroid pesticides. Specifically, the invention relates to heterologous expression of esterase gene est816 and a recombinant esterase thereof in degrading pyrethroid pesticides. A recombinant esterase Est816 is constructed via both an Escherichia coli expression system and a Pichia pastoris expression system, has efficient soluble expression in two expression systems, and has good thermal stability and acid and alkali resistance. The recombinant esterase est816 has a strong degradation effect on pyrethroid pesticides (such as cyhalothrin, cypermethrin, fenvalerate, deltamethrin, and so on), and the degradation rate is up to 90% or higher. Therefore, the esterase gene est816 and the recombinant esterase Est816 have broad application prospects in removing residual pyrethroid pesticides.
Owner:SUN YAT SEN UNIV
Method of preparing chiral primary alcohol and secondary alcohol with chirality center at ortho position of hydroxyl group
InactiveCN101058532AHigh optical yieldHigh reactivityOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsOrtho positionKetone
The invention discloses a making method of application of chiral primary alcohol and secondary alcohol with chiral center adjacent to optical active hydroxy, which is characterized by the following: proceeding corresponding selectivity catalytic and hydrogenating for racemic alpha-substituted fat aldehydo and ketone; fitting for preparing the product with corresponding selectivity over 99. 9%ee through chiral toroid diphosphine-ruthenium-diamine as catalyst; using the product as chiral intermediate to synthesize fenvalerate, BAYX1005 and some natural products.
Owner:NANKAI UNIV
Amino acid based clustering peptide and preparation method thereof
The invention provides an amino acid based clustering peptide and a preparation method thereof and belongs to technical field of high polymer chemistry. The problem that an existing clustering peptide synthesis method is complicated in process, long in reaction cycle and restricted in practical application is solved. The structure of the amino acid based clustering peptide is shown as a formula I. The invention further provides the preparation method of the amino acid based clustering peptide. According to the method, amino acid or an amino acid derivative, aldehyde and fenvalerate are mixed in an organic solvent to obtain the amino acid based clustering peptide. The amino acid based clustering peptide is synthesized through Ugi reaction, the reaction conditions are mild, no catalyst is needed, the preparation process is simple, a reaction period is short, and experimental results show that the amino acid based clustering peptide with the concentration of 10 micro-g mL-1 to 100 micro-g mL-1 has a very good inhibiting effect on staphylococcus aureus, is superior to currently commercial epsilon-polylysine and has a good application prospect.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
Special anti-mosquito agent for textiles, and preparation method thereof
InactiveCN106973958AImprove mosquito repellent effectStrong repellent effectBiocideFibre treatmentPelargonium x hortorumSolvent
The invention discloses a special anti-mosquito agent for textiles. The special anti-mosquito agent for textiles comprises, by weight, 0.5-2.0% of plant essential oil, 10-20% of a pesticide, 10-20% of a surfactant, 30-50% of a solvent, 5-10% of a fastness enhancer and 10-20% deionized water; the plant essential oil is at least one of lemongrass essential oil, lavender essential oil, tea tree oil, Pelargonium hortorum essential oil, lemon essential oil and mint essential oil; and the pesticide is at least one of tetramethrin, meperfluthrin, fenvalerate and permethrin. The special anti-mosquito agent for textiles has a good mosquito repelling effect, and has an ideal repelling effect on mosquitoes, sand flies, ticks and other hemophagous bugs.
Owner:苏州艾菲罗化工科技有限公司
Insecticidal composition comprising spirotetramat and pyrethroid
InactiveCN103250715AObvious synergyObvious lasting effectBiocideAnimal repellantsWater dispersibleAdditive ingredient
The invention discloses an insecticidal composition comprising spirotetramat and pyrethroid. The composition is mainly characterized in comprising an active component A, an active component B, and balance of auxiliary agents. The active component A is spirotetramat, and the active component B is any one of permethrin, lambda-cyhalothrin, fenvalerate, beta-cyfluthrin, deltamethrin, and fenpropathrin. A weight ratio of the active component A to the active component B is 60:1-1:60. The composition can be prepared into wettable powders, water-dispersible granules, suspensions, suspension emulsions, water emulsions, micro-emulsions, microcapsule suspensions, and microcapsule-microcapsule suspensions. The composition provided by the invention can control various pests, and has substantial synergetic effect and sustained-release effect. The composition is safe to human and animals, and has the advantages of no phytotoxicity and good environmental compatibility. The preparation has the advantages of enhanced adhesion, rain erosion resistance, long duration, and the like.
Owner:SHAANXI MEIBANG PHARMA GRP CO LTD
Gas chromatography method for detecting pesticide residue amounts of seven pyrethroids in soil
InactiveCN103472150AEasy to separateEasy pre-treatmentComponent separationRotary evaporatorPesticide residue
The invention discloses a gas chromatography method for detecting pesticide residue amounts of bifenthrin, fenpropathrin, cyhalothrin, cyfluthrin, cypermethrin, fenvalerate and deltamethrin in different texture soils (clay, loam soil and sandy soil). The gas chromatography is characterized by taking an acetone-petroleum ether (V:V=1:1) mixed solvent as an extraction agent, and performing trace analysis on an extracting solution on a gas chromatograph after the extracting solution is concentrated by using a rotary evaporator and purified by using a Florey silica column. The gas chromatography method has the advantages that firstly, the pesticide content of seven pyrethroids and a peak area have good linear relationship (within the range of 0.05 to 5.0 mg / kg), the target objected separation effect achieved by an HP-5 chromatographic column is good, the detection result accuracy is high, the reproducibility is high, and the sensitivity of the method meets the technical requirement on pesticide residue detection; secondly, the sample pretreatment operation is simple, convenient and rapid, the detection time is shortened, the work efficiency is improved.
Owner:邬金飞
Hybridoma cell strain No. 15, and pyrethroid-resistant mass selection monoclonal antibody produced by hybridoma cell strain No. 15
The invention discloses hybridoma cell strain No. 15, and pyrethroid-resistant mass selection monoclonal antibody produced by the hybridoma cell strain No. 15, and belongs to the field of immunochemical technology.<{EN3}>The monoclonal antibody secreted by the cell strain is detected by indirect competition euzymelinked immunosorbent assay, and is capable of realizing cross reaction with monoclonal antibodies of 10 kinds of pyrethroids including fenpropathrin, cypermethrin, beta-cypermethrin, cyfluthrin, lambda-cyhalothrin, fenvalerate, deltamethrin, fluvalinate, cyphenothrin and alphamethrin; IC50 ranges from 3.2 to 50ng / ml; the pyrethroid-resistant mass selection monoclonal antibody produced by the hybridoma cell strain No. 15 can be used for development of colloidal gold immunochromatography test strips and immunosensors, is capable of providing raw materials for immunodetection of pyrethroid residue in agricultural products, and possesses practical application value. The monoclonal antibody secreted by the cell strain is detected by indirect competition euzymelinked immunosorbent assay, and is capable of realizing cross reaction with monoclonal antibodies of 10 kinds of pyrethroids including fenpropathrin, cypermethrin, beta-cypermethrin, cyfluthrin, lambda-cyhalothrin, fenvalerate, deltamethrin, fluvalinate, cyphenothrin and alphamethrin; IC50 ranges from 3.2 to 50ng / ml; the pyrethroid-resistant mass selection monoclonal antibody produced by the hybridoma cell strain No. 15 can be used for development of colloidal gold immunochromatography test strips and immunosensors, is capable of providing raw materials for immunodetection of pyrethroid residue in agricultural products, and possesses practical application value.
Owner:JIANGNAN UNIV
Cyfluthrin hapten compound, its synthesis method and use
InactiveCN1789238ARetain chemical structureGood potencyOrganic compound preparationCarboxylic acid amides preparationSynthesis methodsPartial antigen
The invention discloses a fenvalerate artificial partial antigen, the molecular structure is in the right, and n=1-5. The invention also provides the method for synthesizing fenvalerate artificial partial antigen, and the application of the product as raw material of antigen system for animal immunization.
Owner:ZHEJIANG UNIV
Pyrethroid pesticide hapten, preparation method and application thereof
ActiveCN107188830ARetain chemical structureThe synthesis method is simpleSerum albuminImmunoglobulinsBiologyPermethrin
Owner:BEIJING KWINBON BIOTECH
Meperfluthrin-containing compound insecticidal composition and application thereof
The invention provides an insecticide composition which is composed of an active compound component and an auxiliary component, wherein the active compound component accounts for 1-70 wt% of the insecticide composition, and is compounded from a component A and a component B in a weight ratio of 1:50-50:1; the component A is a pyrethroid compound of which the structure satisfies the following formula; and the component B is selected from any one of high-efficiency cyhalothrin, bifenthrin, deltamethrin, fenpropathrin, cypermethrin, high-efficiency cypermethrin, cis-cypermethrin, fenvalerate or S-fenvalerate. By compounding, the insecticidal composition provided by the invention has certain synergistic action in application.
Owner:JIANGSU YANGNONG CHEM +1
Pesticide for killing heliothis armigera
The invention relates to a pesticide, in particular to a pesticide for killing cotton bollworms. The technical proposal is as follows: the pesticide is mixed by phoxim, karbofos, sumicidin and an emulsifying agent and is characterized in that the weight percentage of the components is 20 to 40 percent of the phoxim, 20 to 40 percent of the karbofos, 10 to 30 percent of the sumicidin and 30 to 50 percent of the emulsifying agent, and the components of the phoxim, the karbofos, the sumicidin and the emulsifying agent are put in a glass vessel to be mixed evenly according to the mixture ratio. The pesticide has the advantages of strong killing ability, high drug effect and low cost.
Owner:刘金虎
Pesticide for rice seedlings
InactiveCN104920519AEnvironmentally friendlyNo secondary toxicityBiocideAnimal repellantsHouttuyniaTurpentine
The invention discloses a pesticide for rice seedlings. The pesticide comprises the following components in parts by weight: 15-20 parts of fenvalerate trichloride, 16-18 parts of acetophenate, plifenate technical, 17-20 parts of permethrin, 10-12 parts of tetramethrin, 0.06-0.08 part of bacteriophage powder, 2-6 parts of pepper, 18-23 parts of radix stemonae, 2-7 parts of chinaberry fruits, 8-13 parts of camphor, 3-9 parts of turpentine, 20-26 parts of cordate houttuynia and 80 parts of water. The pesticide has the advantages of being efficient, targeted, environmentally friendly, free of secondary toxicity, residue, and pollution, and nuisanceless, and is a novel pesticide; the ecological balance can be kept; an important guarantee is provided to realize ecological agriculture, green ecological agriculture and green business; the prospect is broad.
Owner:王万平
Insecticidal composition containing cycloxaprid and synthetic pyrethroid insecticides
ActiveCN102326579AImprove securityMeet safety requirementsBiocideAnimal repellantsWater dispersibleBULK ACTIVE INGREDIENT
The invention discloses an insecticidal composition containing cycloxaprid and synthetic pyrethroid insecticides and application thereof. The effective active ingredients of the insecticidal composition include a first active ingredient which is cycloxaprid, and a second active ingredient selecting from synthetic pyrethroid insecticides such as high-efficiency cyhalothrin, high-efficiency cypermethrin, cypermethrin, biphenthrin, high-efficiency cyfluthrin, ethofenprox, silafluofen, fenvalerate and fenpropathrin, wherein the weight ratio of the first active ingredient to the second active ingredient is 1:100 to 100:1. The composition can be prepared into agriculturally acceptable water dispersible granules, wettable powder, suspension agent, dispersible oil suspension agent, micro capsule suspension agent, missible oil or micro emulsion. The insecticidal composition has reasonable components, good insecticidal effect and low administration cost, the activity and insecticidal effect of the composition are not simply superimposed effects of the activities of all the components; compared with the traditional single preparation, the insecticidal composition has both obvious insecticidal effect and obvious synergistic effect, can slow down the production of resistance, has the advantages of low residue, no pollution to crops and good safety and meets the requirement on safety of pesticide preparations.
Owner:SHAANXI SUNGER ROAD BIO SCI
Drug for external use for preventing and treating scabies
InactiveCN102935082AGood effectAntiparasitic agentsNitrile/isonitrile active ingredientsPhoximPharmaceutical drug
The invention relates to a drug for external use for preventing and treating scabies, and mainly solves the problems that organic phosphorus medicines for preventing and treating scabies are high in toxicity, short in persistence and poor in therapy efficacy and pyrethroid medicines are high in expenses and easy to generate resistance in the prior art. The drug for external use is characterized by comprising, by weight, 30-45% of phoxim, 10-15% of fenvalerate, 5% of XN-100, 8-10% of 0301C, and the balance being dimethylbenzene. The drug for external use for preventing and treating scabies is low-cost, good in safety, good in therapy efficacy, long in persistence and not easy to generate resistance.
Owner:穆永才 +1
Fenvalerate pesticide detection method
InactiveCN102033085ASimple preparation stepsThe instrument is simpleMaterial electrochemical variablesFiberCarbon fibers
The invention relates to a fenvalerate pesticide detection method. A prefabricated DNA electrochemical biosensor is used for detecting an object to be detected and comprises a carbon fiber electrode serving as a substrate, wherein the surface of the carbon fiber electrode is successively overlaid and provided with a peroxide polypyrrole film, a nanogold layer and a DNA layer from inside to outside; the fenvalerate generates electrochemistry behaviour on the DNA electrochemical biosensor; the DPV (differential pulse voltammetry) peak current value of the fenvalerate is measured to determine the density of the fenvalerate. The invention utilizes the DNA electrochemical biosensor to detect fenvalerate pesticide, utilizes the electrochemical detection mode, and can save complex pretreatment works. The instrument is simple, has low cost and realizes on-field detection; in addition, disposable carbon fiber modified electrodes are used. The DNA electrochemical biosensor has the advantage of simple and easy preparation steps, and the electrode can be modified in advance, thus realizing batch detection and saving time.
Owner:SHENZHEN POLYTECHNIC
Fenvalerate preparing process
InactiveCN1609099AHigh yieldHigh purityOrganic compound preparationPreparation by cyanide reactionOrganic solventSodium cyanide
The fenvalerate preparing process with triethylamine as catalyst includes the reaction between 2-(4-chlorophenyl)-3-methyl butyric acid and dichlorosulfoxide to obtain acyl chloride; and the further reaction with the mixture of 3-phenoxy phenylaldehyde, sodium cyanide, triethylamine, water and organic solvent to obtain fenvalerate as pesticide. Compared with available technology, the present invention has the features one high yield, high product purity, low cost, mild reaction condition, simple operation, easy control of reaction, etc. and is suitable for industrial production.
Owner:NANKAI UNIV
Synergistic insecticidal composition used for preventing and curing icerya purchasi maskell
ActiveCN102860310ADrug resistance problem delayed and overcomeReduce usageBiocideAnimal repellantsSophocarpidineBULK ACTIVE INGREDIENT
The invention discloses a synergistic insecticidal composition used for preventing and curing icerya purchasi maskell. The synergistic insecticidal composition takes sophocarpidine and fenvalerate which are at mass ratio of (9:1)-(1:29) as the basic active ingredients. Tests prove that after being compounded, the sophocarpidine and fenvalerate have synergistic effect in preventing and curing icerya purchasi maskell. Therefore, the invention solves the problem of the disadvantages of the sophocarpidine in practical applications, the harm of the fenvalerate to the environment and the drug resistance of the icerya purchasi maskell. With the compound of the sophocarpidine and fenvalerate, the dosage of the fenvalerate is reduced, which is good for environment protection. Meanwhile, the problem of drug resistance of the icerya purchasi maskell to the fenvalerate is delayed or overcome.
Owner:INST OF ZOOLOGY GUANGDONG ACAD OF SCI
Pyrethroid pesticide degrading bacteria, separation and purification method thereof and application thereof
ActiveCN102899270AEfficient degradationHigh-efficiency pyrethroid pesticide degrading bacteria can degrade safelyBacteriaWater contaminantsPurification methodsBifenthrin
The invention discloses a pyrethroid pesticide degrading bacteria, wherein the bacteria is an HS-24 strain, with a classification naming as Methylophagasp., and is preserved in China General Microbiological Culture Collection Center on April 24, 2012, an accession number being CGMCCNo. 6046; and a Genbank accession number of the 16SrRNA of the strain is JX087925. The invention simultaneously discloses a separation and purification method and an application of the pyrethroid pesticide degrading bacteria. The invention is advantageous in that the bacteria can safely, highly-efficiently and rapidly degrade 5 kinds of pyrethroid pesticide: cypermethrin, deltamethrin, fenvalerate, cyfluthrin and bifenthrin in a marine environment, and has a good application prospect in the aspects of offshore environmental protection, pollution treatment of pesticide residues in an aquaculture environment and food safety guarantee.
Owner:路亚科消防车辆制造有限公司
Ambroxol hydrochloride-containing pesticide composition and preparation method thereof
The invention relates to an ambroxol hydrochloride-containing pesticide composition and a preparation method thereof. The composition comprises the following raw materials by the weight percent: 2-5% of ambroxol hydrochloride, 0.5-30% of pesticide raw materials, 55-87.5% of solvent and 8-12% of emulsifying agent. The pesticide raw materials are selected from abamectin, matrine, emamectin benzoate, imidacloprid, acetamiprid, fenvalerate, cypermethrin, bifenthrin, cyhalothrin and one of chlorantraniliprole or indoxacarb or composite thereof. The pesticide composition has the advantages of being capable of fast decomposing pest secreted mucus, dissolving pest wax coat, leading pesticide liquid to fast enter into the inner body of the pest, and heightening an effect for killing the pest.
Owner:SHANDONG MEI LUO FU AGRI POLYTRON TECH
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