41 results about "Pyriproxyfen" patented technology

The invention relates to the technical field of pesticides, in particular to a pesticide composition, application thereof and a pesticide preparation. The pesticide composition comprises a first effective component and a second effective component, the first effective component is 1, 8-cineole, and the second effective component comprises at least one of flonicamid, cyantraniliprole, nitenpyram, flubendiamide, spirotetramat, pyriproxyfen, pymetrozine, dinotefuran and sulfoxaflor. The mass ratio of the first effective component to the second effective component is (50: 1)-(1: 100). Through the synergistic interaction of the first effective component and the second effective component, the prevention and treatment effect is remarkably improved, the prevention and treatment spectrum is expanded, and the field dosage can be greatly reduced; specifically, leaf back bemisia tabaci and trialeurodes vaporariorum can be well controlled, the control effect on bemisia tabaci, trialeurodes vaporariorum, thrips and the like is improved, and the application prospect is good.

The invention provides a weeding composition containing quizalofop-p-ethyl and bispyribac-sodium, the mass ratio of quizalofop-p-ethyl to bispyribac-sodium is (1-6): (1-10), and auxiliary agents such as an emulsifier, a dispersing agent, a stabilizer, a thickening agent, vegetable oil and deionized water are added to prepare a dispersible oil suspending agent. By utilizing different action mechanisms of quizalofop-p-ethyl and bispyribac-sodium, the composition is compounded and used for non-transgenic ACCase and ALS inhibitor resistant rice, can effectively kill difficult-to-prevent gramineous weeds such as rice, barnyard grass and leersia oryzae in a rice field and annual weeds such as cyperus iria and monochoria vaginalis, and has a remarkable effect.

The invention relates to an insecticide composition and an application method thereof, the composition comprises an active component A and an active component B. The component A is selected from benzamide compounds represented by a general formula I, and the component B is selected from pyriproxyfen. The composition has the advantages of obvious synergism, resistance delaying and the like, and can be used for preventing and treating various pests.

The invention relates to the technical field of pesticides, and particularly discloses a dispersible oil suspending agent containing pyriproxyfen and dinotefuran and a preparation method of the dispersible oil suspending agent. Through the synergistic effect of the dispersing agent, the emulsifying agent and the dispersing medium, the oil suspending agent is not prone to flocculation and sedimentation of pesticide particles when stored under the high-temperature condition, the particle size of the pesticide particles changes little in the storage process, and therefore the dinotefuran and the pyriproxyfen can be evenly dispersed into liquid medicine in the actual use process, and the oil suspending agent has the advantages that the oil suspending agent is environmentally friendly; and uniform pesticide application is realized in a spraying area range, so that full prevention and control of diseases and pests are facilitated.

The invention belongs to the technical field of pesticide detection, and relates to a method for distinguishing pyriproxyfen technical for pesticide application and hygienic application. According to the method, a pyriproxyfen raw medicine sample is analyzed through a high performance liquid chromatography-diode array detector (HPLC-DAD), and the purpose category of the sample is judged by utilizing isomer chromatography spectrum characteristics (ultraviolet spectrum characteristics). Specifically, the pyriproxyfen active compound for pesticide application only shows a single main peak in a chromatogram; a plurality of chromatographic peaks (main peaks and isomer peaks) can appear on the technical pyriproxyfen for sanitation under specific conditions, and the ultraviolet spectrograms of the peaks are consistent. According to the method, whether a pyriproxyfen isomer peak exists in a sample or not is detected, so that whether the active compound belongs to agricultural application or sanitary application is quickly identified. The method has the advantages of simplicity and convenience in operation, high specificity and high practical application value.

The invention relates to the technical field of emulsion in water, and discloses an emulsion in water containing abamectin and pyriproxyfen and application thereof.The abamectin, the pyriproxyfen and a mixed solvent serve as raw materials and are evenly mixed, and an oil phase is obtained; an emulsifying agent, a defoaming agent, ethylene glycol and deionized water serve as raw materials and are evenly mixed to obtain a water phase, the water phase and an oil phase are evenly mixed to obtain the emulsion in water, the emulsion in water has good heat storage stability and cold storage stability, the death rate of diaphorina citri and tetranychus cinnabarinus reaches 80% or above when the emulsion in water is used for treating the diaphorina citri and the tetranychus cinnabarinus, and the emulsion in water has a good insecticidal effect. The prepared water emulsion containing abamectin and pyriproxyfen is a multifunctional environment-friendly product which is convenient to use, efficient, low in toxicity and low in cost, and has good market development potential.

The invention provides a pyriproxyfen continuous circulating filtration system, and belongs to the technical field of pyriproxyfen preparation. Comprising a settling tank, the bottom of the settling tank is fixedly connected with a fixing frame, one side of the settling tank is communicated with a liquid outlet pipe, the top of one side of the settling tank is communicated with a liquid inlet pipe, and a turbulent flow assembly is arranged in the settling tank. The turbulent flow assembly and the slag removal assembly are arranged and used in cooperation, large-particle impurities can be fully crushed before filtration, the dissolution efficiency of soluble impurities is improved, meanwhile, blockage of a filter screen is reduced, precipitated impurities are automatically cleaned after filtration, sediment accumulation is prevented, and the advantages of continuous operation, efficient filtration and low maintenance cost are achieved; the defects of a traditional filtering system in the aspects of dissolving efficiency, impurity treatment and automatic slag removal are overcome, so that the filtering system can operate continuously, and frequent shutdown for cleaning due to impurity accumulation is avoided.

A pyriproxyfen microcapsule suspension, wherein raw materials for preparing the pyriproxyfen microcapsule suspension comprise, in percentage by weight: 8%-12% of pyriproxyfen, 1%-3% of isocyanate, 0.1%-0.5% of polyamines, wherein deionized water is used to make the suspension up to 100%. Compared with traditional dosage forms, the pyriproxyfen microcapsule suspension can significantly reduce the toxicity to hydrobionts, and can greatly reduce the dosage used in the field, thereby effectively reducing environmental pollution and pesticide residues, and lowering production and usage costs. The dosage form of the microcapsule suspension conforms to the future development trend of agricultural environmental protection, and can reduce odor, improve efficacy, and prolong the duration of effectiveness.

The invention relates to the technical field of pyriproxyfen synthesis, in particular to a solvent-free method for preparing pyriproxyfen, which comprises the following steps: S1, mixing 2-chloropyridine and a sulfonic acid compound according to a molar ratio of 1: 1, and stirring at room temperature to obtain liquid 2-chloropyridine sulfonate ionic liquid; s2, mixing the 2-chloropyridine sulfonate ionic liquid with 1-(4-phenoxyphenyl)-2-propanol, heating to 145-165 DEG C, stirring, reducing the temperature to 30-35 DEG C, adding deionized water into the system, and separating a water layer to obtain a pyriproxyfen mixed solution; s3, deionized water with the same mass is added into the pyriproxyfen mixed solution, the temperature is reduced to 0-5 DEG C, suction filtration is conducted, and white crystal powder pyriproxyfen with the content being 98% or above is obtained. The purity of the pyriproxyfen prepared by the method is more than 98.5%, the yield is about 95%, addition of inorganic base is not needed, use of volatile organic solvents is not involved in the reaction process, and the pyriproxyfen is more environment-friendly.

The present application relates to the technical field of pesticide production waste resource, in particular to a method for recovering pyridyl quinolinyl. The method uses wastewater containing pyridyl quinolinyl produced in the crystallization process of pyridyl quinolinyl as raw material, and combines the processes of concentration, solvent extraction and stepwise cooling crystallization to efficiently recover and purify the residual pyridyl quinolinyl in the waste liquid under the condition of accurately controlling the cooling stage and the cooling rate. The purity of the recovered product is higher than 95.0%, reaching the national standard of pyridyl quinolinyl technical material, and can be directly used for pesticide preparation production. The method improves the resource utilization efficiency, reduces the waste discharge and treatment cost, has obvious economic and environmental benefits, and is suitable for industrial application.

The invention discloses a method for controlling flies by using an insecticide, the insecticide is sprayed outdoors, the insecticide comprises pyriproxyfen, deltamethrin, an auxiliary agent and other excipients, the insecticide is prepared into a suspending agent, the weight ratio of the pyriproxyfen to the deltamethrin is 7: 3, the spraying amount is 0.5 L / m < 2 >-5L / m < 2 >, and the outdoors can be a farm, a wasteyard and a fly breeding place. The fly control method can effectively inhibit eclosion of houseflies, and has a good lethal effect on sanitary pests such as fly larvae and mosquitoes.

The utility model relates to the technical field of pesticide processing equipment, and discloses a pyriproxyfen and dinotefuran compound medicament mixing device which comprises a bottom frame, a frame is fixedly connected to the middle of the top wall of the bottom frame, a fixing plate is fixedly connected to the middle of the frame, and a mixing barrel is fixedly connected to the inner wall of the fixing plate. A servo motor is fixedly connected to the top wall of the mixing barrel, the output end of the servo motor penetrates through the top of the mixing barrel and is fixedly connected with stirring blades, electric push rods are fixedly connected to the left side and the right side of the top wall of the bottom frame, and connecting plates are fixedly connected to the top ends of the electric push rods. According to the utility model, raw materials in the feeding barrel are pushed into the mixing barrel through the injection rod, so that the purpose of preliminary accurate injection is realized, and the size of medicine particles can be further refined by matching with high-speed shearing equipment until an ideal state is achieved; therefore, the situation that the raw material processing efficiency is reduced due to insufficient mixing effect during raw material mixing is avoided.

The invention discloses a flavonoid fluorescent dye, a supramolecular fluorescent probe, a preparation method of the supramolecular fluorescent probe and a pyriproxyfen detection method. The probe is constructed by spontaneously assembling the albumin derivative and the flavonoid fluorescent dye in a buffer solution. The detection mechanism is shown as follows: the flavonoid dye presents characteristic red fluorescence in a free state, and obvious fluorescence blue shift is triggered after the flavonoid dye is combined with albumin. When pyriproxyfen is introduced into the system, hydrophobic molecules enter an albumin hydrophobic cavity in a competitive binding manner, so that dye molecules have a replacement effect. In the process, along with the bidirectional response of a fluorescence signal, namely, the yellow fluorescence intensity and the pyriproxyfen concentration are in negative correlation, and the reconstructed dye aggregation state triggers the enhancement of a green fluorescence channel signal, so that the quantitative conversion of the fluorescence chroma of the solution from yellow to green is finally realized. Based on the ratio-type fluorescence signal, the probe system has an obvious colorimetric effect when being used for detecting pyriproxyfen in environment, food and the like, and the color change can be directly observed by naked eyes.

The present invention relates to stable synergistic insecticidal composition for the control of plant and crop pests including wide variety of insect pests. The present invention also relates to a process for preparation of such stable synergistic insecticidal composition for synergistic and efficacious control of wide variety of insect pests.

The invention provides a high systemic pyriproxyfen composition and a preparation method and application thereof.The composition is prepared from, by weight, 1-20% of pyriproxyfen serving as an active ingredient, 10-50% of rosin-based vegetable oil serving as a synergistic additive and 0-20% of sophorolipid. The permeability of the pyriproxyfen on leaf surfaces and the conductivity of the pyriproxyfen in plants are changed, the conduction of the pyriproxyfen from a pesticide application part to a newborn tissue and a target pest feeding part is promoted, and the quick-acting property, the persistence and the pesticide effect of the preparation are improved.

The present application relates to the technical field of pesticides, especially to the field of IPC A01N43, further, and relates to an environment-friendly abamectin and pyriproxyfen microemulsion and a preparation method thereof. According to mass percentage, raw materials include 1-6% of abamectin, 3-9% of pyriproxyfen, 15-35% of solvent, 10-20% of emulsifier, 1-5% of antifreezing agent, 0.2-2% of stabilizer, 0.005-0.1% of defoaming agent, and the rest is deionized water. The abamectin and pyriproxyfen microemulsion prepared by the present application not only has good efficacy, but also has low toxicity, safety and environmental protection.

The invention relates to the technical field of pyriproxyfen technical material preparation, in particular to an automatic crusher used after pyriproxyfen technical material preparation, drying and forming, the automatic crusher comprises a support frame, a crushing box is arranged above the support frame, the crushing box is sequentially provided with a feeding chamber and a screening chamber from top to bottom, and a driving box is arranged on one side of the support frame; the recycling assembly is arranged on one side of the supporting frame, and the recycling assembly is used for recycling the raw materials screened in the screening room and conveying the raw materials to the interior of the feeding room; and the buffering assembly is arranged at the bottom of the screening room and is arranged below the filtering plate. Compared with the prior art, by arranging the buffering assembly, mechanical stress of vibration and impact on the screening room and the buffering area is effectively reduced, the screening device is suitable for processing scenes of various raw materials, it is ensured that the raw materials enter the recycling or downstream process smoothly, and the stability and efficiency of the whole production process are optimized.

The present application belongs to the field of pesticides, and relates to a kind of insecticidal composition, specifically to a kind of suspension emulsion containing spirotetramat and pyridalyl and its preparation method and application.The present application realizes the preparation of the suspension emulsion of spirotetramat and pyridalyl, has higher insecticidal effect, reduces the amount of insecticide and the frequency of pesticide application, thereby reduces the cost of pesticide, is safe and environmentally friendly;The present application scientifically selects and screens the auxiliary system, finally obtains the system with the best matching degree among components, especially the screening and combination of dispersing agent, emulsifier, solvent and cosolvent, greatly reduces the processing difficulty of dosage form, improves the stability of dosage form, has the advantages of good emulsification and dispersion, high suspension rate, effectively solves the problems of creaming, flocculation, particle size enlargement and crystallization during sample storage, etc.Through the screening of dispersing agent, solvent and cosolvent, the obtained product does not have the problem of crystallization after long-term storage, and still has excellent efficacy after long-term storage.

The invention discloses a global four-pest elimination integrated prevention and control method based on hot smoke, plugging and co-processing, and relates to the technical fields of vector biological prevention and control, public health safety and the like, and the method comprises the following steps: killing mosquitoes, flies and cockroaches through hot smoke, and immediately plugging a well lid hole to prevent escape; blocking the mouse hole and smearing a deratization tracking ointment to control the mouse; flies are controlled by the fly luring agent and the fly sticking paper; lime powder is sprayed to the dark and humid ditch zone, and the larva breeding environment is prevented; cockroach killing bait is used in the catering area to control cockroaches; a high-pressure spraying machine and auxiliaries are used for retention spraying; the air-assisted ultra-low-volume sprayer is used for killing mosquitoes; fenthion and pyriproxyfen are used in a mosquito and fly breeding field to kill juveniles; and unmanned aerial vehicle full-coverage disinfection and killing are carried out on forests and difficult-to-reach areas. In the whole process, little pesticide is sprayed, environment pollution is avoided, harm to residents is reduced, the density control requirement of the disease control center can be met within 5 days, the national health city standard is met, and synchronous prevention and control of mosquitoes, flies, cockroaches and mice are achieved.

The invention relates to the technical field of pesticides, and discloses application of a suspension composition for preventing and treating shallot thrips. 1000 parts by weight of the suspension composition comprises the following raw materials: 200 parts by weight of pyriproxyfen-cyantraniliprole, 1-50 parts by weight of a biological synergist, 38.5-400 parts by weight of an auxiliary agent and the balance of water, and the weight ratio of pyriproxyfen to cyantraniliprole is 1: 1. The suspension composition disclosed by the invention can be used for effectively preventing and treating shallot thrips, effectively solving the problems of poor permeability, poor dispersibility, easiness in causing phytotoxicity and short efficacy duration of pesticides, improving deposition adhesion and permeation of the pesticides on leaf surfaces, improving the utilization rate of the pesticides and enhancing the immunity and disease resistance of crops, and has the effects of treating multiple diseases by one pesticide and being quick in effect and lasting in effect.

The objective is to provide an insecticidal collar that can suppress the bleeding of insecticidal components from the collar when it is in a sealed container such as a blister pack, and that can accommodate the unique release behavior of insecticidal components, where the insecticidal components bleed rapidly immediately after being removed from the sealed container and put into use. [Solution] A deworming collar containing a vinyl chloride resin component, an active ingredient, a volatile plasticizer, and titanium dioxide, The aforementioned active ingredient comprises one or more selected from the group consisting of phenothrin and pyriproxyfen. A deworming collar containing phenothrin, where the phenothrin content is in the range of 20-60% by weight relative to the vinyl chloride resin component.

The invention relates to the technical field of pesticides, and discloses a pyriproxyfen-containing soluble concentrate and a preparation method thereof. The pyriproxyfen-containing soluble concentrate provided by the invention is prepared from the following components in parts by weight: 1 to 10 parts of pyriproxyfen active compound, 70 to 80 parts of dichlorvos active compound, 10 to 20 parts of emulsifier and 1 to 5 parts of stabilizer. According to the pyriproxyfen-containing soluble concentrate provided by the invention, the nerve poison dichlorvos and the insect growth regulator pyriproxyfen are combined to form a prevention and control system covering the whole life cycle of pests, and the emulsifier and the stabilizer are matched, so that the soluble concentrate has relatively good content stability under the conditions of normal temperature and heat storage, and the decomposition rate of effective components is reduced.

The present invention relates to a novel ternary insecticidal combination comprising: (i) an amount of pyriproxyfen, (ii) an amount of pyrethroid, and (iii) an amount of a nicotinic acetylcholine receptor competitive (nAChR) modulator.

The present invention relates to a stable synergistic insecticidal composition comprising A) a compound of Formula I, i. e., N- [2, 6 -bis ( 1 -methylethyl ) -4-phenoxyphenyl) -N ' - ( 1, 1- dimethylethyl) thiourea or its agrochemically acceptable salts, esters and derivatives; B) Isocycloseram or its agrochemically acceptable salts, isomers, esters, isomers and derivatives; and C) Pyriproxyfen or its agrochemically acceptable salts, isomers, esters or its derivatives for effective control of various insects-pests and wide range of diseases caused by them. The present invention also relates to a process for preparation of such insecticidal composition for synergistic and efficacious control of various insects such as sucking insect-pest, boring insect-pest, etc.

The invention relates to a solid molded body for external use against parasites on animals. The molded body of the invention includes, as active compounds, the combination of fipronil and bifenthrin. In addition, the insect growth regulators pyriproxyfen and methoprene may be added as additional actives.

The present disclosures present a insecticidal composition comprising a combination of active ingredients, Spinosad, Pyriproxyfen, and Deltamethrin and methods of preparing and using such compositions. The present disclosure aims to provide enhanced control of a variety of insect pests affecting crops, with a synergistic effect that improves efficacy compared to individual components.

The present invention provides a synergistic composition comprising at least one triazole, at least one neonicotinoid, and at least one pyridine-based pesticide, and a process for preparation of the composition and uses thereof.

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.

The application discloses a kind of full continuous flow preparation methods of pyriproxyfen.The chloro o-nitroaniline solution and hydrogen are transported to fixed bed reactor to carry out continuous catalytic hydrogenation reaction, and the 4-chloro o-phenylenediamine reaction mixture obtained is transported to microchannel mixer and reactor with ethyl glyoxylic acid solution to carry out continuous cyclization reaction, and the 2-hydroxy-6-chloroquinoxaline suspension obtained is entered into continuous online filtering device, and the mixture is transported to micro-mixer and continuous flow reactor with phosphorus oxychloride by peristaltic pump, and the effluent reaction liquid and hydroquinone / catalyst mixture are transported to another fixed bed reactor to carry out continuous etherification;Reaction mixture and (S)-2-chloropropionic acid ethyl ester are entered into fixed bed reactor to carry out continuous etherification reaction;Product pyriproxyfen is obtained;Compared with traditional batch kettle type synthesis method, the method has short reaction time, high product yield, high degree of automation, high process continuous efficiency, high space-time yield, low energy consumption and easy industrial amplification application.

This invention discloses a synergistic insecticide of pyriproxyfen and lufenuron, its preparation method, and its application. The raw materials for preparation include an active agent, a surfactant, a solvent, an antifreeze agent, and deionized water. The active agent comprises pyriproxyfen and lufenuron in a weight ratio of (1-5):(1-5). This invention utilizes the combination of pyriproxyfen and lufenuron as active agents, achieving superior control effects compared to single-agent insecticides and extending the duration of insecticide control. The surfactant combination of alkylphenol polyoxyethylene ether sulfonate, tristyrene-phenol polyoxyethylene ether phosphate triethanolamine salt, and calcium dodecylbenzenesulfonate results in a microemulsion agent with high stability, exhibiting no turbidity under both hot and cold storage conditions.