40 results about "Emamectin benzoate" patented technology

The invention provides emamectin benzoate-sodium alginate composite microspheres and a preparation method thereof, and belongs to the technical field of pesticide preparations. The composite microspheres disclosed by the invention are prepared from the following raw materials: 0.5 to 1 part of emamectin benzoate, 0.2 to 1 part of a modifier, 0.1 to 0.5 part of isopropyl phenyl triphosphate, 0.5 to 5 parts of sodium bentonite and 1 to 8 parts of sodium alginate. The emamectin benzoate-sodium alginate composite microsphere photolysis-resistant slow-release pesticide is prepared by taking sodium alginate and modified organobentonite as carriers to load active ingredients of emamectin benzoate. The emamectin benzoate-sodium alginate composite microspheres prepared by the invention have the advantages that the drug loading capacity is obviously improved, the drug release time is obviously prolonged, and the slow release effect is better. According to the invention, sodium alginate and organic bentonite are utilized to load emamectin benzoate to form a'date cake model 'structure, so that direct irradiation of ultraviolet rays can be effectively shielded, the light degradation rate of emamectin benzoate is slowed down, and meanwhile, the effective utilization rate of emamectin benzoate is improved.

The invention discloses a preparation method and application of a dendritic block polyether surfactant, and relates to the technical field of polyether surfactants. The invention relates to a preparation method of a dendritic block polyether surfactant, which comprises the following steps: (1) mixing pentaerythritol, a glycidyl ether compound and a catalyst A, heating, stirring and mixing, and carrying out heat preservation reaction to obtain a reaction product; (2) adding a catalyst B into the reaction system in the step (1), adjusting the temperature of the system, introducing nitrogen to replace air in the reaction system, and carrying out aging reaction after feeding is finished; and heating, maintaining the pressure of the system at 0.25-0.3 MPa, adding ethylene oxide, and continuing the aging reaction after the feeding is finished, thereby obtaining the dendritic block polyether surfactant. According to the invention, epoxypropane, ethylene oxide and pentaerythritol are adopted to form a tree-shaped high-performance block polyether surfactant, so that the problems that the emamectin benzoate water suspending agent is easy to be subjected to Ostwald ripening during sanding, easy to separate out during heat storage, easy to grow and the like are solved.

The invention belongs to the technical field of pesticides, and relates to an insecticidal composition and application thereof. The insecticidal composition comprises an active component A and an active component B, the active component A is a compound represented by a formula (I), the active component B is any one of abamectin and emamectin benzoate, and the mass ratio of the active component A to the active component B is 1: 30-40: 1. The composition disclosed by the invention has a synergistic effect on prevention and control of agricultural and forestry pests within a certain proportioning range, particularly has excellent insecticidal activity on larvae of lepidoptera and diptera pests, and is good in quick-acting property and safe to crops.

The invention relates to the field of agricultural insecticides, in particular to a liquid insecticide containing emamectin benzoate and application. The emamectin benzoate-containing liquid insecticide comprises an emamectin benzoate-containing insecticidal active component, an auxiliary agent and a solvent, wherein the auxiliary agent in the liquid insecticide contains a stabilizer; wherein the stabilizer accounts for 0.1-20% of the weight of the liquid insecticide. The problems that the decomposition rate of an emamectin benzoate missible oil mixture is unqualified after heat storage and emulsion is demulsified under the condition of flight prevention medication are solved, waste of pesticide in the diluting and spraying process is avoided, the utilization rate of the pesticide is increased, and meanwhile normal exertion of the pesticide effect of the pesticide is guaranteed.

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 discloses a pesticide composition containing emamectin benzoate and application of the pesticide composition in prevention and treatment of rice blast, and belongs to the technical field of pesticides. The pesticide composition comprises 1-5 parts of emamectin benzoate, 1-3 parts of cinnamon essential oil and 0.5-1.5 parts of orange peel essential oil. Adding polyvinyl alcohol into the heated deionized water, adding glycerol, and uniformly stirring to obtain a water phase; adding the pesticide composition into soybean oil, and then adding alkyl glycoside and phenolic ether phosphate to obtain an oil phase; under high-speed shearing, adding the oil phase into the water phase, continuously shearing, finally adding a defoaming agent, stirring and filtering to obtain the pesticide for preventing and treating the rice blast. The emamectin benzoate is compounded with the cinnamon essential oil and the orange peel essential oil, and the orange peel essential oil not only has an antibacterial effect, but also has a rapid permeation effect, so that permeation of the cinnamon essential oil can be accelerated, and volatilization of the cinnamon essential oil is reduced; components such as a film-forming agent are added into the auxiliary agent, so that a film is quickly formed after the pesticide is sprayed, and the volatilization of the cinnamon essential oil is further prevented; the control effect on the rice blast is obviously improved.

The invention discloses an antioxidant emamectin benzoate missible oil pesticide and a production process thereof. Comprising 1 to 5 parts of emamectin benzoate, 1 to 3 parts of an antioxidant, 5 to 10 parts of an emulsifier, 60 to 80 parts of a solvent, 5 to 10 parts of a cosolvent and 50 to 80 parts of water, wherein the antioxidant comprises 0.5 to 1.5 parts of butylated hydroxytoluene and 0.5 to 1.5 parts of triphenyl phosphate; the solvent comprises 30 to 60 parts of cyclohexanone and 10 to 40 parts of N-methyl pyrrolidone; calcium dodecyl benzene sulfonate and castor oil polyoxyethylene ether are compounded according to the proportion of 1: 1.5 to serve as an emulsifying agent, a stable interfacial film can be formed between an oil phase and a water phase, di-tert-butyl-p-cresol and triphenyl phosphite added in the product synergistically exert the anti-oxidation effect, di-tert-butyl-p-cresol can provide hydrogen atoms, and the anti-oxidation effect is good. And the triphenyl phosphite can decompose peroxides generated in the oxidation process of the emamectin benzoate, so that the problem of drug effect oxidation reduction caused by storage is reduced.

The present application relates to a kind of insecticide composition and its application method, composition includes two active components A, B, wherein component A is selected from the benzamide compound as shown in general formula I: component B is selected from the biological source class insecticide abamectin, emamectin benzoate, polygodial, ethyl polygodial.The composition of the present application has obvious synergistic effect, and the advantages such as delaying resistance, can be used for preventing and treating a variety of pests.

The present invention belongs to the field of aquaculture technology and discloses a compound anthelmintic granule for aquaculture, a preparation method, and an application thereof. The compound anthelmintic granule is prepared from raw materials such as emamectin benzoate, flubendiamide, a surfactant, an antioxidant, a disintegrant, and a filler. The present invention selects emamectin benzoate and flubendiamide as active ingredients to kill crustacean parasites. Currently, there is no oral anthelmintic compounded with these two ingredients as active ingredients for aquaculture. Emamectin benzoate paralyzes the parasites and is metabolized slowly in the body. It is highly toxic to aquatic animals and is not suitable for large-scale or long-term use. Flubendiamide's main mechanism of action is to inhibit chitin synthesis, and although it has a slow onset of action, it is relatively safe for aquatic animals and is particularly effective against parasites resistant to organophosphorus and pyrethroids. Clinical verification has shown that the two compounds synergize and are far more effective in killing crustacean parasites than existing aquatic insecticides.

The invention discloses an insecticidal composition containing fluchlorantraniliprole and a biogenic insecticide, which comprises an active component A and an active component B. The active component A is selected from fluchlorantraniliprole, the active component B is selected from fluchlorantraniliprole, and the active component C is selected from fluchlorantraniliprole. The active ingredient B is selected from any one of abamectin, spinosad, spinetoram, bacillus thuringiensis, milbemectin, methylamino abamectin, methylamino abamectin benzoate (emamectin benzoate), sucrose octacarboxylate, beauveria bassiana, metarhizium anisopliae, nuclear polyhedrosis virus, cytoplasmic polyhedrosis virus and granulosis virus; the weight ratio of the active component A to the active component B is (1: 80)-(80: 1). The composition disclosed by the invention has a synergistic effect on various pests harmful to agricultural production, reduces the dosage of pesticides, reduces the residual quantity of the pesticides on crops, relieves environmental pollution, is safe to human and livestock, has good environmental compatibility, and delays the generation of pest resistance.

The application provides a compound agent for preventing and treating termites based on Serratia marcescens, which comprises 7.75x10 8 ~2.63x10 12 CFU / mL of Serratia marcescens, and a pathogenic fungus or a biological pesticide or an insect growth regulator or a chemical agent; the pathogenic fungus is Beauvaria bassiana or Metarhizium anisopliae; the biological pesticide is ivermectin; the insect growth regulator is lufenuron or buprofezin or diflubenzuron; and the chemical agent is emamectin benzoate or indoxacarb. The compound agent has obvious synergistic effect on preventing and treating termites, reduces the use amount of single agent, is lower in cost, more efficient, stable and green.

The invention discloses a preparation method of an abamectin B1a double oxide. The method mainly comprises the following steps: adding an organic solvent, water, a proper amount of a phase transfer catalyst and an oxidizing agent o-iodoxybenzoic acid into a reactor, heating to activate the oxidizing agent, adding a raw material abamectin B1, and reacting at room temperature to 70 DEG C; and after the reaction is finished, cooling and filtering to obtain o-iodosobenzoic acid solid. And treating the filtrate, and separating and purifying to obtain the abamectin B1a double oxide. The abamectin double-oxide solution or the solid double-oxide can be used for preparing products such as emamectin benzoate and the like. And oxidizing the obtained o-iodosobenzoic acid solid to obtain o-iodosobenzoic acid which can be reused in the oxidation process. The synthesis method provided by the invention has the advantages of few reaction steps, good selectivity, easily available raw materials, simple operation, greenness and environmental protection.

The invention relates to the technical field of pest control, and discloses dsRNA based on a prodenia litura Ter94 gene as well as a preparation method and application of the dsRNA. The preparation method comprises the following steps: firstly, obtaining a full-length sequence of the prodenia litura Ter94 gene, designing a dsRNA primer based on the sequence, and further synthesizing the dsRNA of the prodenia litura Ter94 gene based on the primer. The dsRNA of the Ter94 gene obtained by the invention can cause the total death rate of prodenia litura larvae on the fifth day to be 26.67%; dsRNA of the Ter94 gene is wrapped with chitosan to form nano-particles, the nano-particles are applied to 3-instar larvae through epidermal permeation, and the death rate of the prodenia litura larvae is increased to 36.67% after 5 days; after the dsRNA nano-particles and emamectin benzoate with the sublethal concentration of 5 mg / L or emamectin benzoate with the sublethal concentration of 5 mg / L jointly act, the death rates of larvae are increased to 90% and 83.33% respectively.

The present application relates to the field of biological control, and discloses screening of entomogenous fungi with high pathogenicity to Spodoptera litura and application of the fungi in combination with emamectin benzoate. The high-toxicity strain of Penicillium polonicum for Spodoptera litura is collected from cotton fields in Qapqal County, Xinjiang Uygur Autonomous Region. Furthermore, an efficient, pollution-free and residue-free insecticide with synergistic effect, emamectin benzoate and Penicillium polonicum, is provided. The present application finds that the insecticide can exhibit significant synergistic effect, improve the control effect, and significantly reduce the dosage of the single chemical pesticide and the environmental pollution by studying the combination effect of emamectin benzoate and Penicillium polonicum.

The invention belongs to the technical field of pesticides, and particularly relates to a pesticide formula for efficiently preventing and treating insect pests of crops, which is prepared by compounding lapachol and emamectin benzoate or afidopyropen. Wherein the compounding mass ratio of the lapachol to the emamectin benzoate is (1-8): (16-1); the compounding mass ratio of the lapachol to the afidopyropen is (1-3): (18-1). The lapachol and emamectin benzoate or afidopyropen show a synergistic effect in a certain mass ratio, which indicates that the medicament formula can improve the prevention and treatment effect on crop insect pests, can reduce the application dosage, can reduce the risk of drug resistance, prolongs the service life of the medicament, and reduces the cost. A support can be provided for developing a novel efficient medicament for preventing and controlling crop insect pests, namely spodoptera frugiperda.

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 application of emamectin benzoate, an attractant and a preparation method and application of the attractant, and belongs to the technical field of pest control. The emamectin benzoate is applied to preparation of the attractant for inhibiting fruit fly breeding. The attractant is prepared from the following raw materials: emamectin benzoate mother liquor, grape juice, water, brown sugar, corn flour, yeast powder, agar powder and propionic acid. According to the application of the emamectin benzoate, the attractant and the preparation method and application of the attractant, the attractant prepared by adding the emamectin benzoate is used for controlling reproduction of the drosophila melanogaster, a very good effect can be achieved with the extremely low concentration of the emamectin benzoate, and the emamectin benzoate is efficient, low in toxicity and environmentally friendly.

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.

A kind of cultivation method for preventing and treating the tip-burning of summer flower bracts of Amaryllis, wherein when the flower sword of Amaryllis is about 14-18 cm long, the whole plant is sprayed with mixed agent I of nano-kaolin, nano-montmorillonite and polyalkylene modified heptamethyltrisiloxane, and after 3-4 days, the whole plant is sprayed with mixed agent II of 25% double acylic acid amide, 5% emamectin benzoate and kaolin; one day before harvesting, the whole plant is sprayed with mixed agent III of 25% double acylic acid amide, 5% emamectin benzoate and polyalkylene modified heptamethyltrisiloxane.The present application improves the resistance of flower bracts of Amaryllis to high temperature and strong light, reduces the occurrence of tip-burning of flower bracts, and improves the quality of cut flowers of Amaryllis in summer cultivation.

The present invention discloses a nanocarrier, its preparation method, and application. The structural formula of the nanocarrier is one of the following structures: #imgabs0#, wherein n1=20 and n2=10. The present invention utilizes polymerization-induced self-assembly combined with RAFT polymerization to prepare nanoassemblies with varying surface charges. This polymer is amphiphilic and biocompatible. The addition of nano-adjuvants DMA, TOG, and MAA with varying charges enhances the penetration of the agent within pine wood, effectively resolving the drawbacks of traditional punch-hole injection of emamectin benzoate, which suffers from poor fluidity and penetration within pine wood.

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 invention discloses an efficient nematode-resistant nano-agent based on a porous crystalline nano-carrier and a preparation method of the efficient nematode-resistant nano-agent, and belongs to the field of nematode-resistant nano-agent preparation methods, the efficient nematode-resistant nano-agent comprises the following materials: metal salt, emamectin benzoate and an imidazole monomer; the washing liquid comprises methanol, ethanol washing liquid and acetone washing liquid. In the aspect of medicament structure design, a porous skeleton structure material (formed by self-assembly of metal cobalt salt and imidazole monomers) is selected as a medicament carrier to construct a porous crystalline structure, so that emamectin benzoate can be stably packaged in nano-pore channels, and in the aspect of environmental adaptability, the used components are stable, good in biocompatibility and low in residue, and the emamectin benzoate nano-capsule is suitable for clinical application. Soil and water are not polluted, and the influence on non-target organisms is extremely small.

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 invention belongs to the technical field of emamectin benzoate extraction equipment, and particularly relates to a device for extracting emamectin benzoate from carya illinoensis. The device comprises a rack, the extraction barrel is arranged below the rack; the grinding assembly is connected to the rack and located above the extraction barrel. The screening assembly is hung between the grinding assembly and the extraction barrel and comprises a screening frame used for receiving materials discharged from the bottom of the grinding assembly; the stirring assembly is arranged in the extraction barrel; the reciprocating mechanism is arranged on the rotating rod and located below the screening assembly, a plurality of beating pieces are arranged on the reciprocating mechanism, and when the reciprocating mechanism moves in a reciprocating mode in the axial direction of the rotating rod, the beating pieces are driven to make contact with and beat the bottom of the screening frame. The device is used for solving the problem that the mixing extraction effect is affected by uneven pulp particles. The ground walnuts can be screened through the screening assembly, unqualified walnut particles are screened out, mixing of acetone water and the walnut particles can be accelerated through stirring in the extraction barrel through the stirring assembly, and extraction of emamectin benzoate is accelerated.

The invention discloses a preparation method of an emamectin benzoate-LDHs (layered double hydroxides) composite nano pesticide, which comprises the following steps: adding magnesium chloride hydrate and aluminum chloride hydrate into deionized water, stirring and dissolving, adding an ammonia water solution and a sodium hydroxide solution until the pH value reaches 10 + / -0.2, standing, centrifuging, cleaning the precipitate with deionized water, sealing in a glass container, and drying to obtain the emamectin benzoate-LDHs composite nano pesticide. Dispersing the obtained Mg / Al-LDH sol into an SDS solution, adjusting the pH value to 10 + / -0.2, stirring, filtering and cleaning to obtain a precipitate, namely an Mg-Al type SDS modified LDHs nano material, adding the Mg-Al type SDS modified LDHs nano material and emamectin benzoate into absolute ethyl alcohol, uniformly stirring, removing absolute ethyl alcohol, and performing freeze drying to obtain the Mg-Al type SDS modified LDHs / emamectin benzoate modified LDHs / emamectin benzoate modified LDHs / emamectin benzoate modified LDHs / emamectin benzoate modified LDHs nano material. Compared with the prior art, the nano pesticide has a good slow release effect on emamectin benzoate, excellent photolysis resistance and good stability, also has a plant growth promoting function, and has the advantages of high efficiency, environmental protection and economy.

The invention provides an emamectin benzoate polyurethane / polyurea microcapsule suspending agent as well as a preparation method and application thereof, and belongs to the technical field of pesticide preparations. The emamectin benzoate polyurethane / polyurea microcapsule suspending agent is prepared by adopting an interfacial polymerization method, the stability and uniformity of shear emulsified liquid drops are ensured through the synergistic use of the oil-soluble emulsifier and the water-soluble emulsifier, and the interfacial polymerization reaction is promoted to be uniformly and compactly carried out on the surfaces of the oil drops through the addition of the protective colloid in the water phase. The capsule wall of the emamectin benzoate polyurethane / polyurea microcapsule has high compactness, emamectin benzoate can be effectively isolated from external light, heat and air, the decomposition rate of emamectin benzoate is remarkably slowed down, and the quality guarantee period of the product is prolonged. Besides, the compact microcapsule structure can enable the emamectin benzoate to be slowly released on target crops, prolong the lasting period of the pesticide effect, reduce the number of times of pesticide application and the pesticide dosage, remarkably reduce the acute toxicity of the effective component emamectin benzoate to non-target organisms, and improve the biological safety and environmental friendliness of the preparation.

The application belongs to the technical field of insecticides, and particularly relates to a suspension agent containing ethyl spinosad and emamectin benzoate and application thereof. The suspension agent contains the following ingredients in percentage by weight: ethyl spinosad 1-4%, emamectin benzoate 6-10%, synergist 2-6%, wetting dispersant 5-10%, thickening agent 0.1-1%, suspending agent 0.1-1%, defoaming agent 0.1-1%, antifreezing agent 1-5%, preservative 0.05-0.3%, and deionized water 100%. The synergist is composed of silwet 618 and GY-Tmax. The suspension agent prepared by the application has excellent preparation performance, and the addition of the synergist GY-Tmax, silwet 618 or the combination of GY-Tmax and silwet 618 in the suspension agent can significantly improve the field control effect of the suspension agent on crop pests.

The present invention relates to the field of pesticides, and discloses an insecticidal composition and an application 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 a compound 1 represented by formula (I), and the component B is a compound 2 represented by formula (I). And the component B is selected from at least one of cyantraniliprole, chlorantraniliprole, flubendiamide, emamectin benzoate, cyhalothrin, chlorfenapyr and the like. The insecticidal composition and the insecticide provided by the invention can enlarge the insecticidal spectrum, improve the pest control effect and delay the occurrence of pest drug resistance and drug resistance. # imgabs0 #

The invention relates to the field of environmental toxicology and developmental biology, in particular to a reproductive development toxicity evaluation method based on plastic greenhouse pesticide combined contamination. The combined action toxicity of beta-cypermethrin and emamectin benzoate is systematically evaluated from multiple dimensions of hormone level, ovarian tissue structure, placenta function, progeny development, cell viability and mitochondrial state through the design of combining an in-vivo model and in-vitro cell verification, and the potential hazard mechanism of beta-cypermethrin and emamectin benzoate in the reproductive development process is disclosed. Therefore, a scientific basis is provided for pesticide toxicology risk assessment and safety limit value formulation.

The present invention discloses a Sm-based metal organic complex having the chemical formula {[Sm(C 12 O6N2H 5.5 )(H2O)(HCOO) 0.5 ]·1.5H2O} n The present invention also discloses a preparation method thereof, specifically comprising the following steps: in a sealed glass bottle, uniformly mixing an organic ligand 1-(imidazole-1-yl)-2,4,6-benzenetricarboxylic acid, Sm(NO3)3·6H2O, N,N-dimethylformamide, distilled water, and nitric acid, and reacting the mixture under solvent thermal conditions. The Sm-based metal organic complex of the present invention has good fluorescence properties and can detect the pesticide emamectin benzoate (EmB) with a low detection limit, good selectivity, and high sensitivity. The complex can also be recycled multiple times to maximize economic benefits.