46 results about "Emamectin" patented technology

The invention discloses a megalurothrips megalurothrips methylamino abamectin benzoate resistance molecule detection method which comprises the following steps: (1) collecting megalurothrips megalurothrips female adults in a plurality of regions, and extracting DNA (deoxyribonucleic acid) in a single region in a mixed manner; (2) designing glutamic acid gated chloride ion channel gene specific primers of the megalurothrips megalurothrips, respectively adding specific tags at the front ends of the primers in all regions, and carrying out PCR (Polymerase Chain Reaction) amplification; mixing the PCR products of each region to obtain a library; (3) performing second-generation amplicon sequencing on the library to obtain off-machine data; and (4) analyzing offline data, merging the data in the same region, calculating the mutation frequency of each region by taking the ratio of the mutation (G232S) of the target sequence as an index, and judging the resistance of the megalurothrips usitatus to the emamectin benzoate. The method can be used for rapidly and massively monitoring the emamectin benzoate resistance condition of the field megalurothrips megalurothrips, and an important basis is provided for high-level emamectin benzoate resistance early warning and megalurothrips megalurothrips chemical treatment.

This invention relates to the fields of pesticide formulations and pesticide pest control, specifically to a composite nano-slow-release suspension of emamectin benzoate and chlorantraniliprole, its preparation, and application. The nano-slow-release suspension comprises emamectin benzoate, chlorantraniliprole, a nanocarrier, a wetting agent, a dispersant, a synergist, a thickener, an antifoaming agent, an antifreeze, a preservative, and water. The nanocarrier is an NX-CMCS & MOF composite nanocarrier. Spraying this composite nano-pesticide onto crops improves the adhesion and penetration of the pesticide on leaves, enhances its resistance to rain washout, and effectively kills major crop pests such as bollworms, diamondback moths, cowpea thrips, and rice planthoppers. Compared with traditional pesticide formulations, it has a significant effect of reducing dosage and increasing efficacy, and has broad application prospects in the field of agricultural pest control and promoting green agriculture.

The invention relates to the technical field of tree protection, and particularly discloses a composite agent for preventing and controlling pine trunk borers and a use method of the composite agent. The invention discloses a composite medicament for preventing and controlling pine trunk borers. The composite medicament comprises a component A and a component B, the component A is prepared from the following raw materials: emamectin benzoate and an emulsifier; the component B is prepared from the following raw materials: an emulsifying agent, an adhesive, cypermethrin and emamectin benzoate. According to the application, the component A consisting of the emamectin benzoate and the emulsifier and the component B consisting of the emulsifier, the adhesive, the cypermethrin and the emamectin benzoate are matched for use, so that the prevention and control effect on the monochamus alternatus and the monochamus alternatus is improved, and the healthy growth of pine wood is promoted.

The present invention relates to combinations of a compound of formula (A-1) with a compound selected from the group consisting of dimpropyridaz, emamectin and isocycloseram, bentioflumin, pioxaniliprole, isoflualanam, cybenzoxasulfyl, vinylfluthrin, cyclobunofen, flupymezotiaz, fentiazoluron, 1-(1,2-dimethylpropyl)-5-methyl-N-prop-2-ynyl-N-(3-pyridyl)pyrazole-4-carboxamide, 1 -[4- [5-ethylsulfonyl-1-methyl-4-[3-methyl-6-(trifluoromethyl)imidazo[4,5-b]pyridin-2-yl]imidazol-2- yl]phenyl]cyclopropanecarbonitrile, [(Z)-[[3-ethylsulfonyl-5-[4-(trifluoromethoxy)phenyl]-2-pyridyl]-[[5- (trifluoromethyl)-2-pyridyl]amino]methylene]amino] acetate, 3-[3-ethylsulfonyl-5-[4- (trifluoromethoxy)phenyl]-2-pyridyl]-4-[5-(trifluoromethyl)-2-pyridyl]-1,2,4-oxadiazol-5-one, 1-(4- chlorophenyl)-2-fluoro-4-methyl-5-(2,2,2-trifluoroethylsulfanyl)benzene, and emamectin benzoate; and to methods of controlling or preventing damage to plants using such combinations; and to formulations, concentrates and seed treatments comprising such combinations.

The invention discloses an emamectin benzoate nano-pesticide with both leaf adhesion and pH response as well as a preparation method and application of the emamectin benzoate nano-pesticide, and the nano-pesticide is prepared from a composition for the nano-pesticide. Comprising the following components in parts by weight: 2-15 parts of emamectin benzoate, 30-80 parts of a copolymerization surfactant, 4-15 parts of a nonionic surfactant, 10-60 parts of sodium alginate and 2-15 parts of a cross-linking agent. The nano-pesticide disclosed by the invention is slowly released in a neutral environment (pH is 7) and quickly released in a pest midgut alkaline environment (pH is 9-10), the release rate within 12 hours reaches 60% or above, the nano-pesticide can accurately act on target pests, the pesticide effect is improved, and the non-target toxicity is reduced.

An alcohol ether compound and use thereof in a water-based nanopesticide preparation are provided. The alcohol ether compound has a structure shown in Formula 1. The alcohol ether compound is used as a specific surfactant of emamectin benzoate, and a stable and transparent water-based nano-preparation for the emamectin benzoate could be obtained in water at room temperature.

The present invention belongs to the field of pesticide technology and relates to an acaricidal composition and its use. The acaricidal composition comprises active ingredient A and active ingredient B; active ingredient A is a compound of formula (I), and active ingredient B is emamectin benzoate. The acaricidal composition exhibits a synergistic effect against harmful mites within a certain ratio range, particularly effective against root mites, and can reduce the dosage and cost of the pesticide.

The invention provides a medicine composition for preventing and treating corn diseases and insect pests and application and a prevention and treatment method thereof, and particularly belongs to the technical field of disease and insect pest prevention and treatment. The invention provides a medicine composition for preventing and treating corn diseases and insect pests. The medicine composition comprises a first prevention and control medicine, a second prevention and control medicine, a third prevention and control medicine and a fourth prevention and control medicine, the first prevention and control drug is prepared from a macroelement water-soluble fertilizer, compound sodium nitrophenolate, emamectin benzoate and chlorantraniliprole; the second prevention and control drug is prepared from ethephon, brassinolide, a macroelement water-soluble fertilizer, emamectin benzoate and chlorantraniliprole; the third prevention and control drug is prepared from tebuconazole, pyraclostrobin, etoxazole, abamectin, a phosphate fertilizer and a nitrogen fertilizer; the fourth prevention and control medicine is prepared from pyraclostrobin, epoxiconazole, etoxazole, abamectin, bifenthrin, clothianidin, compound sodium nitrophenolate, phosphate fertilizer and nitrogen fertilizer. The medicine composition has the effects of increasing yield, preventing diseases, preventing insect pests and preventing lodging.

The invention relates to the technical field of pesticide dry suspending agents, in particular to an emamectin benzoate nano dry suspending agent as well as a micro-fluidic pilot plant test preparation method and application thereof. The invention provides a preparation method of an emamectin benzoate (EMB) nano dry suspending agent, and the method comprises the following steps: (1) providing an organic phase which contains emamectin benzoate, a nano carrier, an organic solvent and an optional non-aqueous auxiliary agent; (2) providing a water phase, wherein the water phase contains water and a water-based auxiliary agent; and (3) mixing the organic phase and the water phase in a micro-mixing channel, removing the organic solvent, and drying to prepare the emamectin benzoate nano preparation.

The present invention discloses an insecticide composition containing flubendiamide and a biogenic insecticide, wherein the effective active ingredients are active ingredient A and active ingredient B, wherein active ingredient A is selected from flubendiamide, and active ingredient B is selected from any one of the following: avermectin, spinosad, spinetoram, Bacillus thuringiensis, emamectin, emamectin benzoate (emamectin benzoate), sucrose octacarboxylate, Beauveria bassiana, Metarhizium anisopliae, nuclear polyhedrosis virus, cytoplasmic polyhedrosis virus, and granulovirus, and the weight ratio of active ingredient A to active ingredient B is 1:80 to 80:1. The composition of the present invention has a synergistic effect on various pests that harm agricultural production, reduces the amount of pesticide used, reduces the amount of pesticide residues on crops, alleviates environmental pollution, is safe for humans and animals, has good environmental compatibility, and delays the development of pest resistance.

This invention provides a method for preparing and applying a controlled-release agent of emamectin benzoate, belonging to the field of nanopesticide technology. This invention uses PFC-1, a hydrogen-bonded organic framework material with a porous structure, as a drug carrier. After loading emamectin benzoate through its porous structure, the loaded system is further modified by surface encapsulation with sodium lignosulfonate. The resulting nano-formulation with controlled-release function is called emamectin benzoate nano-controlled-release agent. The prepared drug-loaded system exhibits good insecticidal activity against diamondback moth. The preparation method includes a method for preparing emamectin benzoate-loaded agents. The prepared system has a high loading capacity of 19.6%. The drug-loaded system provided by this invention has good insecticidal effect against diamondback moth and exhibits pH-selective release effect in the midgut environment of the diamondback moth.

The present invention relates to a composition comprising: (a) isocycloseram, (b) emamectin, and (c) a sulfonated lignin compound having a molecular weight up to 10,000 g / mol.

The invention provides emamectin benzoate water-soluble nano powder, which is prepared from the following components in percentage by weight: 5.26 percent to 73.68 percent of an emamectin benzoate active compound, 2.6 percent to 18.42 percent of a surfactant and the balance of a carrier. The invention also provides a preparation method which comprises the following steps: adding the emamectin benzoate active compound and the surfactant into the solvent to obtain a mixed solution a; and dropwise adding the mixed solution a into the molten carrier while stirring at 65 DEG C to obtain a mixed solution b, carrying out rotary evaporation to remove the solvent, freeze-drying, pulverizing and crushing to obtain the emamectin benzoate water-soluble nano powder. The particle size is uniform, the dispersion, deposition and retention effects of drug particles on the surfaces of crops are enhanced, and the dosage of the drug is reduced.

The invention discloses a composition containing emamectin benzoate and chlorfenapyr. The pesticide composition comprises the following components: chlorfenapyr, emamectin benzoate, a wetting dispersant, a thickening agent, an anti-freezing agent, a preservative, a pH regulator, a defoaming agent, an antioxidant and water. The wetting dispersant is a mixture of hexanediyl-alpha, omega-bis (dimethyldodecyl) ammonium bromide and N, N-bis (3-chloro-2-hydroxypropane) propylene diamine sodium diacetate, and the wetting dispersant can be well adsorbed on a water-oil interface to form a compact interfacial film, so that the surface tension of a pesticide liquid is effectively reduced, the contact angle between the pesticide liquid and a target is reduced, and the stability of the target is improved. The wetting capacity and deposition amount of active ingredients on target plants are effectively improved, pesticide loss is reduced, and the prevention and treatment effect of pesticide liquid is improved. The pesticide composition prepared by the invention can be used for efficiently preventing and treating American white moth of poplar and plutella xylostella of cabbage, and is high in suspension rate and small in environmental pollution.

An alcohol ether compound and use thereof in a water-based nanopesticide preparation are provided. The alcohol ether compound has a structure shown in Formula 1. The alcohol ether compound is used as a specific surfactant of emamectin benzoate, and a stable and transparent water-based nano-preparation for the emamectin benzoate could be obtained in water at room temperature.

The invention discloses a suspending agent containing emamectin benzoate and a preparation method of the suspending agent. The suspending agent is prepared from an active component A, an active component B, an agriculturally acceptable dispersing agent, a wetting agent, a defoaming agent, an anti-freezing agent, a thickening agent, a preservative and water, the active ingredient A is methylamino abamectin benzoate, and the mass percentage content of the active ingredient A is 5-15%; the active ingredient B is chlorantraniliprole or lufenuron, and the mass percentage content of the active ingredient B is 5-30%; the dispersing agent is a weak cationic surfactant containing an amide group; and the wetting agent is an anionic surfactant. According to the suspending agent disclosed by the invention, the performance of a single agent is improved, the control effect on resistant plutella xylostella is improved, and the problems that a suspending agent containing emamectin benzoate is easy to paste after being ground, poor in compatibility with xanthan gum, easy to flocculate after being diluted with water and easy to paste after being stored in heat are solved.

The present invention relates to a composition comprising: (a) isoxazolam, (b) emamectin methylaminoazine, and (c) a sulfonated lignin compound with a molecular weight up to 10,000 g / mol.

The invention provides a pesticide composition containing antibiotic compounds, the pesticide composition is composed of a first effective component and a second effective component, the first effective component is a compound with a structural formula (I), the second effective component is methylamino abamectin benzoate, abamectin, spinosad, spinetoram or ivermectin, and the weight ratio of the first effective component to the second effective component is (1-50): (1-50). The invention also provides application of the pesticide composition in prevention of agricultural and forestry pests. The invention verifies that the binary composition obtained by compounding the flufenutraniliprole and the antibiotic insecticide in a proper proportion has a remarkable synergistic effect, so that the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are achieved. The composition disclosed by the invention has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips and flea beetle. (I).

The invention relates to the technical field of pesticides, and particularly discloses an insecticide composition and application thereof. The insecticide composition is prepared from fluxazole amide and emamectin benzoate in a mass ratio of (20: 1) to (1: 20). According to the present invention, the insecticidal advantages of the fluxazole amide and the emamectin benzoate are combined, such that the insecticidal effect is improved, the generation of the pest drug resistance is delayed, the pest drug resistance development chain is broken, and the service life of the insecticide is significantly prolonged so as to ensure the safety and the harvest of crops; fluxazole amide and emamectin benzoate in a specific ratio have a remarkable synergistic effect and can effectively aim at various pests, and the dosage of the insecticide is reduced. Meanwhile, the combination of the fluxazole amide and the emamectin benzoate can greatly improve the persistent effect of the insecticide, the medication frequency is remarkably reduced, the influence of a pesticide preparation on the environment, non-target organisms and the drug resistance of a controlled object is effectively reduced, and the composition has the characteristic of environmental friendliness and promotes ecological balance.

The invention provides an insecticidal composition containing an active component A and an active component B. The active component A is emamectin benzoate, the active component B is a compound shown as a formula I (formula I), the mass ratio of the active component A to the active component B is (1-30): (1-30), the insecticidal composition further comprises an auxiliary agent, the active component accounts for 1%-30% by weight of the insecticidal composition, and the auxiliary agent accounts for 1%-30% by weight of the insecticidal composition. The insecticidal composition is used for preventing and treating agricultural pests, has an obvious synergistic effect, and can reduce the dosage and delay the occurrence of pest resistance to drugs.

The present disclosures present an insecticidal composition comprising a combination of active ingredients, Emamectin benzoate, Cypermethrin and Cartap hydrochloride, 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 invention belongs to the technical field of pesticide compounding, and particularly relates to a composition for preventing and treating pine wood nematodes, a preparation and application of the composition and the preparation. Effective active components in the composition comprise an active component A and an active component B, the concentration interaction ratio of the active component A to the active component B is 1: (0.1-10), the active component A is abamectin or emamectin benzoate, and the active component B is rotenone. Plant source active components and chemical pesticide components are compounded to improve the prevention and control effect, the pesticide dosage is reduced, the environmental risk is reduced, a binary compound system of rotenone and abamectin chemical agents is innovatively constructed, and the pesticide composition has a good application prospect in prevention and control of rotenone and abamectin chemical agents. Through cooperation of different action mechanisms of inhibition of mitochondrial respiratory chains of the two and blocking of glutamic acid gated chloride ion channels, multi-target, low-risk and high-efficiency prevention and control targets are achieved, and a green and efficient compound pesticide is provided for green and sustainable prevention and control of pine wood nematode diseases.

The present invention relates to a method of combating and / or controlling a pest selected from the family Noctuidae, comprising applying a pesticidal composition to said pest, a locus of said pest, a plant susceptible to said pest or plant propagation material susceptible to said pest, the pesticidal composition comprises isoxaflutole as an active ingredient A and emamectin as an active ingredient B.

The present invention belongs to the field of synthetic biology, and specifically relates to a cytochrome P450 enzyme mutant and its application in the preparation of emamectin benzoate intermediates. The cytochrome P450 oxidase mutant is obtained by single-point or multi-point mutations at the 119th and 124th positions of the amino acid sequence shown in SEQ ID NO.1. The present invention rationally modifies the key points of the cytochrome P450 oxidase from Streptomyces tubercidicus , and the conversion rate of the screened mutant is further improved. Using the cytochrome P450 oxidase mutant provided by the present invention, emamectin can be used as a substrate to directly prepare C4"-carbonyl-C5"-hydroxy-emamectin in the presence of glucose dehydrogenase, glucose and cofactors. This method has mild reaction conditions and low catalyst cost, and is an ideal scheme for the preparation of C4"-carbonyl-C5"-hydroxy-emamectin.

The present application relates to the technical field of step-by-step synthesis reaction, in particular to a step-by-step synthesis reaction method of emamectin benzoate, which extracts the heat trace path of raw materials in the preheating section and forms a propulsion trajectory line, selects a related heat band in the middle section to generate a conversion path diagram, positions each path and connects the conversion fluctuation section to form a rhythm structure, reflects the main and auxiliary material route adjustment entrance to realize collaborative propulsion, and connects the whole section to form a synthesis path paragraph set along the propulsion direction. The present application can form a comparable spatial clue by converting the heat diffusion change of the raw material after touching the wall into a path sequence, continuously track the reaction progress by observing the energy fluctuation and position change of the path in the middle section, present the stage connection rhythm by associating the start and end points of each path section, and facilitate the identification of the transition urgency. By comparing the main and auxiliary material paths, the approach area deviation can be captured to improve the consistency of the entry section. By integrating all path sections along the propulsion direction, the continuous coupling of multi-section reactions can be enhanced and the deviation can be reduced.

The present invention belongs to the technical field of organic synthesis and fine chemical engineering, and particularly relates to an alcohol ether compound and the use thereof in a water-based nano pesticide preparation. The alcohol ether compound provided in the present invention has a structure as shown in formula 1. A long branch chain is present in the molecular structure of the alcohol ether compound provided in the present invention, such that self-assembly is easy to achieved, and the branching of a non-polar group makes the hydrophilicity and lipophilicity of the compound be close to a balance, such that a microemulsion system can be spontaneously formed in water; in addition, the molecular weight thereof is small, and a hydrophilic group is located in the middle of the molecular chain, such that the wetting effect is good; and the hydrophilic group has more oxygen atoms, such that the hydrophilicity thereof is higher. When the compound provided by the present invention is used as a specific surfactant of emamectin benzoate, the stable and transparent emamectin benzoate nano water-based preparation can be obtained in water with the emamectin benzoate at room temperature without using any organic solvent, and the compound has the advantages of low environmental pollution, low toxicity to human and livestock and resource saving.

The invention discloses a real-time fluorescent quantitative PCR (Polymerase Chain Reaction) detection method based on a cytochrome P450 gene CYP9G2 and a matched kit, which are used for rapidly and accurately detecting the drug resistance of plutella xylostella to emamectin benzoate. According to the method, whether a plutella xylostella individual or population has resistance to emamectin benzoate or not is judged by quantitatively analyzing the mRNA expression level of a CYP9G2 gene. The kit comprises a specific primer pair, and the sequences of the specific primer pair are respectively SEQ ID NO.1 (forward) and SEQ ID NO.2 (reverse). The method is easy and convenient to operate and rapid in detection, sample treatment to result analysis can be completed within 3-4 hours, and the method is remarkably superior to a traditional biological determination method. The application of the method can realize early discovery and dynamic monitoring of the drug resistance of field plutella xylostella, provides a direct basis for scientific use and resistance treatment of emamectin benzoate in vegetable production, is beneficial to reduction of the pesticide use amount, reduction of the control cost and guarantee of the vegetable quality safety, and has important practical popularization value in the aspects of agricultural green production and pesticide application reduction.

The invention discloses a white nano-enzyme with imitated alkaline phosphatase activity and a preparation method and application thereof, and relates to the field of pesticide detection.The white nano-enzyme with imitated alkaline phosphatase activity is synthesized from 1, 1, 2, 2-tetra (4-carboxyphenyl) ethylene, anhydrous zirconium tetrachloride, acetic acid, N, N-dimethylformamide and cetyltrimethylammonium bromide; the white nano-enzyme imitating alkaline phosphatase activity can be inhibited by the emamectin benzoate in a high-selectivity manner, so that when the white nano-enzyme is applied to paper-based detection of the emamectin benzoate, high-selectivity, visual and on-site rapid detection of the emamectin benzoate is realized, and the paper-based paper-based detection of the emamectin benzoate has the advantages that the paper-based paper-based paper-based detection of the emamectin benzoate is realized; and a promising way is provided for screening high-specificity pesticide recognition elements and developing high-selectivity enzyme-free colorimetric paper-based detection based on nano-enzyme.

The application provides a suspension agent containing emamectin benzoate and indoxacarb. The suspension agent uses a compound thickening agent, cooperates with a specific antifreezing agent, determines a proper raw material adding sequence and preparation steps, and process parameters such as shearing time and grinding temperature, so as to avoid the situations such as clumping or caking and decomposition of active ingredients which are prone to occur in the preparation process of the suspension agent, and is suitable for large-scale industrial production. The suspension agent has good stability and remarkable drug efficacy. Field tests show that the suspension agent has excellent control effect on lepidopteran pests, has long effective period, is safe to crops, and is environment-friendly.

The invention belongs to the technical field of nematode prevention and control pesticides, and relates to a trifluoropyridinamine compound pesticide composition for preventing and controlling nematodes. The effective component of the pesticide composition is prepared by compounding the trifluoropyridylamine with the emamectin benzoate, the ivermectin, the abamectin B1 or the abamectin B2 respectively. The components are compounded in the range provided by the invention, a synergistic effect can be generated, and the comprehensive prevention and treatment effect after the components are compounded pairwise is obviously higher than that of single use of the two components. The effect of improving the plant growth quality is obvious, and the yield of crops applying the composition is obviously increased. Besides, the action mechanisms of the trifluoropyridinamine and the four substances are different, so that the generation of drug resistance can be delayed, the lasting period is long, and the drug use frequency can be reduced.