66 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 hapten and an artificial antigen for detecting chlorfenapyr and application of the hapten and the artificial antigen. A time-resolved fluorescent test strip for detecting chlorfenapyr is prepared from the artificial antigen. The kit has the characteristics of high specificity, high sensitivity, high precision, high accuracy and the like, the quantitative detection limit of chlorfenapyr is as low as 3.48 ng / mL, the addition recovery rate is 99.6%-110.4%, the coefficient of variation is 2.1%-10.9%, and the kit is very suitable for rapid qualitative or quantitative detection of chlorfenapyr in plant-derived food by basic field personnel.

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.

The invention relates to the technical field of sanitary pest killing, in particular to a sanitary pest control concentrated composition and application thereof. The sanitary pest control concentrated composition is prepared from the following components in percentage by mass: 10-50% of an active component A and an active component B, 10-40% of a feeding accelerant, 5-15% of a macromolecular humectant, 5-15% of a macromolecular thickener and other auxiliary materials, the active component A is selected from one or more of clothianidin, dinotefuran and sulfoxaflor; and the active component B is selected from one or more of chlorfenapyr, chlorfenapyr bisamide, metafluzamide and tetrachlorantraniliprole. According to the sanitary pest control concentrated composition, through reasonable compounding of the active components and performance combination of the preferable feeding accelerant, the preferable high-molecular humectant and the preferable high-molecular thickening agent, increase of effective components retained on the surface and improvement of surface moisture retention and palatability are achieved, the quick-acting and long-term persistent effect of the product is obviously improved, and the sanitary pest control concentrated composition is suitable for being applied to the field of agricultural products. The killing effect of the effective components on target pests is fully exerted.

The utility model discloses a water-saving washing system for chlorfenapyr preparation, which comprises a first washing kettle, a second washing kettle, a recovery kettle and a purification kettle, and a transfer pipe and a transfer water pipe are arranged between the first washing kettle and the second washing kettle; an outlet is formed in the bottom of the first washing kettle, a first tee joint is installed at the outlet, a side port of the first tee joint is connected with the bottom end of a material transferring pipe, and the top end of the material transferring pipe is connected with a feeding port in the top of the second washing kettle; an outlet is formed in the bottom of the second washing kettle, a second tee joint is installed at the outlet, a side port of the second tee joint is connected with the bottom end of a transfer water pipe, and the top end of the transfer water pipe is connected with the water inlet connector of the first washing kettle. According to the washing system provided by the utility model, the materials to be washed can sequentially enter the washing kettles to be washed, a continuous washing process is realized, the washing process is sufficient, and a water layer in the subsequent washing kettle can be used as washing water of the previous washing kettle, so that the use amount of the washing water is reduced.

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 invention relates to the field of pesticides. Disclosed are an insecticidal composition and the use thereof, and an insecticide. The composition contains an insecticidal effective amount of component A and an insecticidal effective amount of component B. The weight ratio of the component A to the component B is 1:50-50:1, the component A is compound 1 represented by formula (I); and the component B is selected from at least one of cyantraniliprole, chlorantraniliprole, flubendiamide, emamectin benzoate, cyhalothrin, chlorfenapyr, etc. The insecticidal composition and the insecticide of the present invention can expand the insecticidal spectrum, improve the pest control effect, and delay the occurrence of drug tolerance and drug resistance of pests.

The invention discloses a pesticide suspending agent containing clothianidin and chlorfenapyr, which comprises the following components in percentage by mass: 10-30% of clothianidin, 10-30% of chlorfenapyr, 10-30% of chlorfenapyr, 10- 5%-25% of chlorfenapyr; 10%-35% of a thickening agent; 2%-15% of a dispersant; and the balance of water. The thickening agent is a mixture of magnesium aluminum silicate, precipitated white carbon black and a 1 wt% xanthan gum aqueous solution; the dispersing agent is a high-molecular polymer aqueous solution or a mixed aqueous solution of a high-molecular polymer and DETA. The pesticide suspending agent containing clothianidin and chlorfenapyr disclosed by the invention can still keep relatively thin appearance property and texture, is free from layering and creaming after being stored for 14 days at normal temperature in a heat storage manner, a cold storage manner and a freeze thawing manner, and has good flowability.

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.