55 results about "Chlorfenapyr" patented technology

The invention relates to the field of pesticide composition screening, and discloses a stabilizer screening process for improving the low-temperature stability of a chlorantraniliprole and lufenuron suspending agent, which comprises the following steps: a) analyzing the low-temperature behavior of chlorantraniliprole and lufenuron based on molecular simulation, constructing a candidate stabilizer molecule library, and preliminarily screening candidate stabilizers; b) applying low-temperature stress to the chlorantraniliprole and lufenuron suspending agent sample containing the candidate stabilizer by using a microfluidic platform, and performing in-situ dynamic characterization to obtain dynamic data related to the low-temperature stability of the sample; and c) processing the dynamic data, and establishing an evaluation index representing the low-temperature stability performance of the candidate stabilizer. According to the invention, a cognitive bridge from a micromechanism to a mesoscopic phenomenon is constructed by integrating molecular simulation pre-screening and microfluidic high-throughput dynamic characterization. The problems of long research and development cycle and resource consumption caused by a large number of trial and error and experience judgment in a traditional screening method are effectively solved.

The invention discloses a method for synthesizing a chlorfenapyr bisamide intermediate by a one-pot method, which comprises the following steps: by taking aniline as an initial raw material, reacting the aniline with 2-bromoheptafluoropropane under the action of a catalyst and an acid-binding agent to generate 4-heptafluoroisopropylaniline, distilling to recover excessive 2-bromoheptafluoropropane after the aniline is completely converted, and separating the 2-bromoheptafluoropropane from the 4-heptafluoroisopropylaniline to obtain the chlorfenapyr bisamide intermediate. Adding bromotrifluoromethane into the reaction liquid to react to obtain 2-trifluoromethyl-4-(heptafluoroisopropyl) aniline, then carrying out oxidation-reduction reaction on the dropped hydrogen peroxide and excessive sodium hydrosulfite, and after the sodium hydrosulfite is completely consumed, reacting to obtain 2-trifluoromethyl-4-(heptafluoroisopropyl) aniline; and carrying out benzene ring bromination reaction on dropwise added hydrogen peroxide, the brominating agent in the reaction liquid and the 2-trifluoromethyl-4-(heptafluoroisopropyl) aniline to obtain the 2-bromo-4-(heptafluoroisopropyl)-6-(trifluoromethyl) aniline, wherein the brominating agent in the reaction liquid and the 2-trifluoromethyl-4-(heptafluoroisopropyl)-6-(trifluoromethyl) aniline are subjected to benzene ring bromination reaction. The method is simple in process, high in yield, low in raw material cost and suitable for industrial production.

The invention provides a composition, which comprises chlorantraniliprole, chlorfenapyr and at least one insecticidal compound, and the insecticidal compound is selected from cyanoimide, m-diamide, isoxazoline or oxadiazine. The invention also provides a preparation method of the composition.

The utility model relates to the technical field of chlorfenapyr production tail gas treatment, in particular to a chlorfenapyr production acid tail gas absorption device which comprises a production furnace and a purification furnace, the output end of the production furnace is fixedly connected with a conveying pipeline, and the output end of the conveying pipeline is connected with the input end of the purification furnace. The acid tail gas absorption device for chlorfenapyr production has the advantages that by arranging the driving mechanism and the filtering mechanism, an air cylinder drives an activated carbon barrel and a filtering barrel in a mounting state to move into the exhaust pipe, so that the activated carbon barrel and the filtering barrel are in a mounting state, and the activated carbon barrel and the filtering barrel are in a mounting state; the motor drives the activated carbon cylinder and the filter cylinder in the mounting state to rotate, so that the activated carbon cylinder and the filter cylinder in the rotating and mounting state are matched to filter gas exhausted from the exhaust pipe again, the tail gas absorption treatment effect of the device is effectively improved, and the activated carbon cylinder and the filter cylinder can be independently disassembled, assembled and replaced conveniently.

The present invention relates to stable synergistic insecticidal composition for synergistic and effective control of various insect pests including entire sucking pests complex. The present invention also relates to a process for preparation thereof.

The present application belongs to the field of pesticide insecticide, and relates to a kind of acaricidal composition and its application.The pesticide composition includes active ingredient A and active ingredient B, the active ingredient A is fluorine mite sulfide, and the active ingredient B is chlorfenapyr.The composition of the present application has the advantages of synergism and resistance reduction, and the pesticide composition can be used for preventing and treating agricultural and forestry pests, sanitary pests.

The present application relates to a kind of pesticide composition and its application.The pesticide composition contains biologically effective amount of compound I and compound II, the compound II is one of abamectin, emamectin benzoate, pymetrozine, chlorfenapyr, methoxyfenozide, tebufenozide, and its method for preventing and treating pests in agronomic and non-agronomic environment.The compound I and compound II have synergistic effect, can improve the effect of pest control, reduce the amount of application, reduce the use frequency, reduce the use cost.

The invention belongs to the technical field of pesticides, and provides a pesticide composition containing chlorfenapyr and polypeptide, and the pesticide composition contains chlorfenapyr and enzymolysis enteromorpha protein. The hydrolyzed enteromorpha protein is added into the composition, so that the oxidative damage of chlorfenapyr to leaves is effectively reduced, and the adverse effect of chlorfenapyr on plant health and production performance is overcome.

The present invention provides a synergistic insecticidal composition comprising chlorfenapyr, fipronil, and at least one more insecticide. The present invention further provides a method for preparation of the insecticidal composition and use thereof. The insecticidal composition of the present invention is effective against pests of different crops and serves as a useful tool for managing resistance. The composition has a broad spectrum, is environmentally safe, has a reduced dosage, and has a lower frequency of application than existing formulations.

The invention discloses a micro-capsule suspending agent containing fluroxafen and propamocarb as well as a preparation method and application of the micro-capsule suspending agent, and belongs to the field of agricultural plant protection. The flurobixafen and propamocarb microcapsule suspending agent disclosed by the invention is prepared by taking polymethylene polyphenylene isocyanate and PEG400 (Polyethylene Glycol 400) as capsule wall materials through an interfacial polymerization method. The bactericidal composition has a good control effect on various crop diseases, has an obvious synergistic effect compared with a single agent, is remarkably improved in bactericidal activity, greatly delays the generation of drug resistance of germs, broadens the bactericidal control spectrum, and is quick and more durable in effect, stable in capsule wall structure, prolonged in pesticide lasting period, reduced in pesticide application frequency, reduced in phytotoxicity risk and safe to crops.

The invention discloses an insecticidal suspension which comprises the following components in percentage by weight: 5-20% of chlorfenapyr, 10-40% of lufenuron, 1-5% of a modified rosin polyether modifier, 0.5-10% of sodium polycarboxylate, 0.1-2% of an organic silicon synergist, 0.1-1% of a light stabilizer, 0.3-1% of an anti-crystallization agent, 0.1-0.5% of nano titanium dioxide and the balance of deionized water. By adding the complexing agent, the settling suspension resistance and the photolysis resistance of the insecticidal suspension are improved through the mutual synergistic effect.

This invention belongs to the field of sanitary insecticides, specifically relating to an insecticidal composition and method for controlling sanitary pests. This invention discovers that the combination of polyfluorfen diamide and chlorfenapyr at a mass ratio of 1:3-19 exhibits unique synergistic effects, achieving good control performance through stomach poison action. Furthermore, this invention significantly enhances the control effect of polyfluorfen diamide and chlorfenapyr against sanitary pests through the combination of attractants and wetting / dispersing agents, and enables bait spraying, exhibiting high efficiency, low toxicity, and environmental friendliness, demonstrating excellent efficacy in controlling sanitary pests.

The invention relates to an insecticidal composition, which contains a compound as shown in formula (I), which is used as a first active ingredient, and one or more of chlorfenapyr, spirodiclofen, bifenthrin and flufenoxuron, which is used as a second active ingredient, and the weight ratio of the first active ingredient to the second active ingredient is (50: 1)-(1: 50). The insecticidal composition disclosed by the invention particularly has an excellent control effect on tetranychid mites. .

The invention discloses a compound microbial agent capable of efficiently degrading chlorfenapyr and application of the compound microbial agent, and belongs to the technical field of environmental microorganisms. The compound microbial agent is prepared from three strains of bacteria, namely, Brucella anthropi GXAS CMJ5, Shenotrophomonas maltophilia GXAS CMJ9 and Comamonas terrae GXAS CMJ10, according to a specific ratio, and the compound microbial agent is prepared from three strains of bacteria, namely, Brucella anthropi GXAS CMJ5, Shenotrophomonas maltophilia GXAS CMJ9 and Comamonas terrae GXAS CMJ10. The invention also provides a screening and construction method of the composite flora and an optimal condition for degrading chlorfenapyr. Under the optimal condition, the degradation rate of the composite flora on 150 mg / L chlorfenapyr is as high as 97.60%, and the strains are free from antagonism and high in environmental adaptability. The invention provides efficient, safe and economic special microbial resources and technical schemes for bioremediation of chlorfenapyr polluted soil, water bodies and agricultural products, and has wide application prospects.

The invention relates to the technical field of agricultural insecticides, in particular to a chlorfenapyr and chlorfluazuron compound insecticide and an application method thereof.The chlorfenapyr and chlorfluazuron compound insecticide comprises chlorfenapyr and chlorfluazuron with the mass ratio being 2: 1 and the total mass fraction being 10%-20%. The co-toxicity coefficient of the compound agent to Chinese chive maggots is larger than or equal to 153, LC50 is smaller than or equal to 2.12 mg / L, the 48-hour corrected death rate is larger than or equal to 93%, the control effect of the compound agent is remarkably better than that of a single component, the compound insecticide main agent is in a suspension dosage form and comprises a dispersing agent, a wetting agent, a thickening agent, a preservative and a pH regulator, the stability and uniformity of the agent are ensured, a root irrigation method is adopted as a field application method, the application amount per mu is 20-25 g, and the application amount per mu is 20-25 g. The fertilizer is diluted by 1500-2000 times and then added with 30-40 kg of water, the fertilizer is irrigated along the roots of Chinese chives, and the application time is that the height of Chinese chives seedlings is 10-15 cm or the hatching amount of Chinese chive maggot eggs is larger than 5 per plant.

This invention belongs to the field of insecticide ecological safety evaluation technology, and specifically relates to a rapid evaluation method for insecticide safety based on parasitic wasp embryonic development. This invention uses the embryos of the cotton bollworm *Ichthyophthirius multifiliis* as the research object, selecting embryonic development status as the core evaluation indicator. Combining the statistical significance and quantitative change range of this indicator with the control group, a standardized experimental measurement method and a three-level ecological safety classification rule are established. By selecting commonly used agricultural insecticides bromfenac and abamectin, ecological safety evaluations were conducted. Compared with the control group, the number of normal embryos with bromfenac decreased by approximately 17%, classifying it as a medium-risk insecticide; the number of normally developing embryos with abamectin decreased by approximately 23.21%, classifying it as a high-risk insecticide. This application fills the technical gap in the ecological safety evaluation of insecticides at the parasitic wasp embryonic stage, improves the evaluation system for non-target natural enemies, and can be directly applied to pesticide research and development, insecticide screening, and field application guidance, contributing to the green development of agriculture.

The present invention belongs to the field of pesticide insecticide technology and discloses an insecticidal composition containing a diamide compound and its use. The active ingredients of the insecticidal composition include active ingredient A and active ingredient B. Active ingredient A is a compound of Formula I: #imgabs0# (Formula I). ​​Active ingredient B is a diamide compound, including any of flufenacet, tetrazolylpyram, cyclofenacet, chlorfenapyr, or pioxaniliprole. The mass ratio of active ingredient A to active ingredient B is 1:55 to 58:1. The insecticidal composition of the present invention has excellent effects on agricultural, horticultural, and forestry pests.

The invention relates to the technical field of microorganisms, and discloses an animal lactic acid bacterium ZS-1 and application thereof.The animal lactic acid bacterium ZS-1 has the characteristics of low temperature resistance, pH tolerance, salt tolerance and the like, can generate an excellent pesticide degradation effect, and particularly has high degradation capacity on cyhalothrin, metolachlor and chlorfenapyr.

The present application relates to synergistic compositions containing a biologically effective amount of compound I and compound II, the compound II is one of abamectin, emamectin benzoate, pymetrozine, chlorfenapyr, methoxyfenozide, tebufenozide, and their methods for controlling pests in agronomic and non-agronomic environments. The compound I has synergistic effect with compound II, which can improve the effect of pest control, reduce the amount of application, reduce the use frequency, and reduce the use cost.

The invention discloses a chlorfenapyr hapten, an artificial antigen as well as a preparation method and application thereof, and relates to a chlorfenapyr hapten, an artificial antigen, an antibody, a colloidal gold immunochromatography card as well as preparation and application of the chlorfenapyr hapten, the artificial antigen, the antibody and the colloidal gold immunochromatography card in chlorfenapyr detection. The chlorfenapyr hapten prepared by the invention completely retains cyano and halogen of chlorfenapyr connected with a pyrrole ring and also retains three characteristic groups of 4-chlorphenyl, and a designed coupling arm is a straight chain with an active group derived from tertiary amine in a quaternary ammonium salt manner. The small molecular structure of the prepared artificial antigen perfectly retains the original characteristics of chlorfenapyr; the chlorfenapyr antibody is high in titer, the IC50 value is 0.67 g / L, the linear range is 0.1 mu g / L-8.1 mu g / L, the sensitivity of the prepared colloidal gold immunochromatography card to chlorfenapyr in a standard solution is 3 g / kg, and the detection sensitivity of the prepared colloidal gold immunochromatography card in a sample can reach 5 g / kg.

The utility model relates to the technical field of chlorfenapyr production, and discloses a low-temperature drying device for chlorfenapyr production, which comprises a drying box, a drying assembly is arranged at the top of the drying box, the drying assembly comprises a drying box and a vacuum pump, a dustproof net is fixedly arranged at the bottom of the drying box, and the vacuum pump is arranged at the bottom of the drying box. A drying bag is arranged in an inner cavity of the drying box, and the input end of the vacuum pump communicates with an air suction head. According to the chlorfenapyr powder drying device, the drying assembly is arranged, the interior of the drying box can be vacuumized by turning on the vacuum pump, a low-air-pressure environment is formed, the boiling point of water is reduced, water in chlorfenapyr powder is rapidly evaporated at the low temperature, evaporated water molecules can be adsorbed through the drying bag, and therefore drying is convenient; the position of the containing box can be adjusted by controlling stretching and retracting of the first electric push rod, the supporting plate is jacked up by controlling stretching and retracting of the second electric push rod, and therefore chlorfenapyr powder can be conveniently taken out, and discharging is convenient.

The invention provides a seed treatment suspending agent containing chlorine fluorine bixafen and tebuconazole as well as a preparation method and application of the seed treatment suspending agent. The seed treatment suspending agent is prepared from the following raw materials: a flurobixafen active compound, a tebuconazole active compound, a dispersing agent, a wetting dispersing agent, a thickening agent, a preservative, an anti-freezing agent, a film-forming agent, warning coloration, a de-foaming agent and de-ionized water. The seed treatment suspending agent containing flurobixafen and tebuconazole prepared by the invention is good in suspending performance, low-temperature stability and heat storage stability, reduces the application amount and the harm to the environment, delays the generation of drug resistance of germs, and is safe to crops.

The invention belongs to the technical field of pesticides, and particularly relates to the technical field of pesticide compounding, in particular to a synergistic acaricidal composition. The synergistic acaricidal composition comprises an active compound (A), a compound shown in a formula Ia (formula Ia) and at least one active compound (B), and the active compound (B) is selected from the group consisting of chlorfenapyr, phoxim, dimethoate, pyridazinofos, carbosulfan, amitraz, lambda-cyhalothrin, lime sulfur, sulfur, chlorpyrifos, profenofos, lambda-cyhalothrin, triflumizone, Sulfiflumin, Spirobudifen, Mivorisaner, Modoplaner, Tigolaner, Umifoxolaner and Flupentifenox. The weight ratio of the active compound (A) to the active compound (B) is (1: 100)-(100: 1). The synergistic acaricidal composition can effectively improve the prevention and control effect on pest mites, has a remarkable synergistic effect compared with a single agent, and can effectively reduce the use amount, reduce the use cost and reduce the influence on the environment.

The present invention relates to a method for rapid detection of chlorfenac, emathine, fenfluramide, pendimethalin and metalaxyl in aquatic products. The method can realize simultaneous detection of five compounds, namely chlorfenac, emathine, fenfluramide, pendimethalin and metalaxyl in aquatic products. The method has simple, rapid and sensitive detection and good purification effect.

The present application relates to a kind of suspension formulation of ivermectin and preparation method thereof, including effective component 1.5%~40%, synergistic adjuvant composition 2%~10%, other adjuvant 0.1%~45%, with water to 100%.Wherein, the effective component is ivermectin and component M, component M is chlorfenapyr or spirotetramat, and the mass ratio is 1:1~1:20;The synergistic adjuvant composition is isomeric alcohol polyoxyethylene ether and fatty amine polyoxyethylene ether, and the mass ratio of the two is 1:10~7.5:1.Compared with prior art, the present application can alleviate the problem of reduced heat storage suspension rate caused by adding isomeric alcohol polyoxyethylene ether to ivermectin suspension formulation, improve the control effect on phytophagous mites and lepidoptera pests, and meet the practical needs of processing, storage, safety and field application.

The invention relates to the field of chlorfenapyr production, in particular to chlorfenapyr wet product airflow drying equipment which comprises a cyclone separator, a feeding part, a drying part and a backflow part. The feeding part is used for uniformly conveying wet products to a mixing barrel of the drying part through a spiral conveying mechanism; the drying part is composed of a hot air box, a mixing cylinder and drying cylinders connected in series, hot air generated by the hot air box is input into the mixing cylinder, double rotating wheels in the mixing cylinder reversely rotate to crush wet products and promote hot air mixing, and the drying cylinders achieve periodic change of air speed through variable-diameter design to strengthen drying; the cyclone separator is used for separating dry materials from tail gas; the backflow part preheats wet products through tail gas waste heat, and an S-shaped channel of the backflow part prolongs the heat exchange time and recovers residual powder. The chlorfenapyr drying device solves the problems that traditional equipment is high in energy consumption, uneven in mixing and large in material loss, and efficient and low-consumption drying of chlorfenapyr is achieved.

The application discloses a chlorfenapyr hapten, an artificial antigen and a preparation method and application thereof, relates to a chlorfenapyr hapten, an artificial antigen, an antibody, a colloidal gold immunochromatography card and application of the chlorfenapyr hapten and the artificial antigen in preparation and detection of chlorfenapyr. The chlorfenapyr hapten prepared by the application retains cyanogen and halogen connected with a pyrrole ring of chlorfenapyr, and also retains three characteristic groups of 4-chlorophenyl; a coupling arm is designed to be a straight chain with an active group derived from a tertiary amine in the form of a quaternary amine salt, so that a small molecule structure of the artificial antigen prepared retains original characteristics of chlorfenapyr; the chlorfenapyr antibody of the application has high titer, an IC 50 value of 0.67 µg / L, a linear range of 0.1 µg / L to 8.1 µg / L, and a sensitivity of 3 µg / kg in a standard solution and a detection sensitivity of 5 µg / kg in a sample.

The invention belongs to the technical field of pesticide disinfestation, and discloses a chlorfenapyr-containing insecticidal composition and application thereof.The active ingredients of the insecticidal composition comprise chlorfenapyr and a compound shown in the formula I. The structure of the compound shown in the formula I is as follows: the mass ratio of the compound shown in the formula I to chlorfenapyr is 1: 40-35: 1. The insecticidal composition disclosed by the invention can be used for effectively preventing and treating pests such as lepidoptera and thysanoptera, especially has a remarkable effect on preventing beet armyworms, plutella xylostella, cabbage caterpillars and thrips, is high in safety to crops and does not generate phytotoxicity.

The present invention relates to a pesticidal composition comprising the active ingredient compound I and a compound II selected from at least one of spinosad, spinetoram, chlorfenapyr, sulfoxaflor, sulfoxaflor, emamectin benzoate, ethiprole, acrinathrin, bifenthrin. The present invention also relates to the use of said pesticidal composition for the prevention or control of Plutellidae, Tortricidae, Noctuidae, Delphacidae, Whitefly, Tetranychidae, Thripidae, Aphis, Coccidae pests. Compound I.

The present application relates to a synergistic composition containing a biologically effective amount of compound A and component B, wherein the component B is one of thiazide ketone, avermectin, spirotetramat, pyridalyl, emamectin benzoate, azamethiphos, azocyclotin, pyridaben, quimacryd thiocyl, pyrimidifen, tebufenpyrad, flufenoxuron, chlorfenapyr, cyromazine, and halofenozide, and a method thereof for controlling pests in agronomic and non-agronomic environments. The compound A has a synergistic effect with the component B, which can improve the pest control effect, reduce the application amount, reduce the use frequency, and reduce the use cost.