74 results about "Abamectin" 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 present disclosures presents a insecticidal composition comprising a combination of active ingredients, Spiromesifen, abamectin, and Fipronil 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 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 discloses a dandelion seed coating agent and a preparation method and application thereof.The seed coating agent comprises a growth regulator, a bactericide and an insecticide, the growth regulator comprises 2, 4-epibrassinolide, monopotassium phosphate and gibberellin, the bactericide comprises difenoconazole, metalaxyl-M and fludioxonil, the insecticide comprises abamectin and thiamethoxam, and the insecticide comprises a thiamethoxam aqueous solution. The seed coating agent is prepared from the following effective components in percentage by mass: 1 to 2 percent of 2, 4-epibrassinolide, 1 to 2 percent of monopotassium phosphate, 0 to 0.1 percent of gibberellin, 0.1 to 0.3 percent of difenoconazole, 0.1 to 0.2 percent of metalaxyl-M, 0.1 to 0.2 percent of fludioxonil, 0.1 to 0.3 percent of thiamethoxam, 0.1 to 0.3 percent of abamectin and the balance of water. After seeds are treated by the seed coating, pathogenic bacteria carried by the dandelion seeds can be killed, the activity and disease resistance of the dandelion seeds are remarkably improved, and the vegetative growth yield of dandelions is increased.

This invention provides a method for identifying abamectin resistance genes in the fall armyworm, dsRNA, and their applications, belonging to the field of molecular biology. This invention combines genome resequencing and transcriptome sequencing to identify key abamectin resistance genes in the fall armyworm. Based on the conserved mRNA sequences of the key resistance genes GSTD6 and CTP6A18, dsRNA was designed, and RNAi technology can effectively reduce the fall armyworm's resistance to abamectin. This has significant practical implications for developing effective fall armyworm resistance management strategies to delay the emergence of resistance and for identifying new targets for pest control.

The invention relates to the technical field of insect drug-resistant molecules. The invention provides a PxCYP6BG6 gene related to abamectin resistance of plutella xylostella and application of the PxCYP6BG6 gene. The nucleotide sequence of the PxCYP6BG6 gene is shown as SEQ ID NO. 1 or SEQ ID NO. 2. The transcriptional activity of the gene is remarkably enhanced due to variation of a promoter sequence in a resistant strain, so that metabolism detoxification of abamectin is overexpressed and mediated. Tests prove that the sensitivity of plutella xylostella larvae to abamectin can be remarkably improved by inhibiting the expression of the gene. Molecular docking shows that the protein has high affinity with abamectin. The invention provides a key molecular marker for monitoring the abamectin resistance of the plutella xylostella, provides a theoretical basis and a technical scheme for developing an RNA pesticide or a novel insecticide synergist taking the gene as a target, and has important significance on resistance treatment and green prevention and control of the plutella xylostella.

The present application belongs to the technical field of agricultural bio-based slow-release carriers and pesticide formulations, and relates to a kind of lignin-based pesticide controlled-release micro-nanoparticles with multiple stimuli response and a preparation method thereof, lignin and hydrochloric acid dopamine are dissolved in buffer solution in proportion, an oxidizing agent is added thereto, stirred and reacted to obtain a lignin-polydopamine composite solution, which is purified by dialysis in water, dried to obtain a lignin-polydopamine solid powder; the lignin-polydopamine solid powder and abamectin are mixed in an organic solvent in a mass ratio of 1-5:1, then water is added in portions while stirring, the polarity of the system is changed, and the lignin-polydopamine micro-nanoparticle drug-loaded particles loaded with abamectin are precipitated, which are dried to obtain the present application. The abamectin delivery system has multiple environmental responsiveness, long-acting leaf adhesion function and controllable release characteristics.

An emulsifiable concentrate comprising a high content of abamectin is provided. The concentrate includes an amide solvent of formula (I) and an alkyl lactate of formula (II):wherein R1 is C5-C19 alkyl and R2 is methyl, ethyl, propyl, butyl or a mixture thereof;wherein R3 is C1-C16 alkyl. The concentrate optionally includes a surfactant. The concentrate exhibits very good low temperature stability and dilution stability. A method for preparing the concentrate; and an emulsion that can be obtained by mixing water, abamectin, the amide of formula (I) and the alkyl lactate of formula (II), is also provided.

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 application discloses application of a microbial natural product GameXPeptide-A in improving the control effect of insecticides on pests, and belongs to the technical field of biological control. Experiments prove that GameXPeptide-A can effectively improve the insecticidal activity of insecticides on agricultural pests such as thrips, corn borer and prodenia litura when GameXPeptide-A is combined with insecticides such as Metarrhizium anisopliae, Beauveria bassiana, nuclear polyhedrosis virus, 4% abamectin and pyridaben, 10% dimethoate and spinosad, 30% ethoxazole, 45% bifenthrin and etoxazole, 5% spinosad, 5% chlorantraniliprole, 5% abamectin and the like, and it is indicated that the substance can be combined with different insecticides to improve the insecticidal activity of insecticides on pests such as Lepidoptera, Diptera, Coleoptera, Orthoptera, Hemiptera and Homoptera in agricultural production, and can be used for the development and application of a new type of pest immunosuppressant or insecticide synergist.

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.

The invention discloses a composition for preventing and treating tobacco root-knot nematode as well as a preparation method and application thereof, and belongs to the technical field of biological prevention and treatment. The abamectin and the fluopyram are adopted as main active ingredients, and are compounded with the cinnamon oil and the sophocarpidine which have a synergistic effect, so that the comprehensive control effect on the tobacco root-knot nematode is synergistically improved. Besides, a biodegradable high polymer material is selected as a carrier, an excellent cross-linked network is formed under the action of a stabilizer and a cross-linking agent, effective active ingredients are encapsulated in fibers under an electrostatic spinning process instead of being simply adsorbed on the surfaces of particles, and slow release of drugs is realized along with degradation of the material, so that long-acting controlled release is realized; the pesticide application frequency and the labor cost are reduced. When the composition is applied to preparation of a granular preparation, materials are easier and safer to obtain, and due to the bridging effect between fibers, the granular preparation still has higher mechanical properties and is not easy to disintegrate during storage and transportation under the condition that more auxiliaries are not used.

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 invention relates to the technical field of RNA (Ribonucleic Acid) interference biopesticides, in particular to dsRNA for reducing the abamectin resistance level by targeting a gene CCE59 and application of the dsRNA. The dsRNA molecule is composed of a positive-sense strand and a complementary antisense strand, and the nucleotide sequence of the positive-sense strand is shown as SEQ ID NO.1. The dsRNA molecule further comprises any one of the following applications: (1) the dsRNA molecule is used for preventing and treating tetranychus urticae; (2) the composition is used for reducing the resistance of tetranychus urticae to abamectin; and (3) preparing a product for preventing the tetranychus urticae and / or reducing the resistance of the tetranychus urticae to abamectin. The invention mainly solves the problem that the drug resistance of pests is enhanced in the process of preventing and treating tetranychus urticae by using the traditional chemical pesticide. The design and synthesis of dsRNA are carried out, the silencing effect of the dsRNA on CCE59 is realized, the resistance level to abamectin is reduced, and the death of tetranychus urticae is promoted, so that the purpose of treating the tetranychus urticae is achieved.

This invention discloses an anti-ultraviolet pesticide formulation with small particle size, uniform distribution, good stability, and excellent anti-ultraviolet function. It can effectively reduce the ultraviolet photolysis of abamectin, which is conducive to prolonging the effective period of the formulation and reducing the overall amount of pesticide used. This conforms to the green control policy of increasing the efficacy and reducing the amount of pesticides used, and provides a new option for the scientific and reduced use of pesticides.

The invention belongs to the technical field of green prevention and control of forestry pests, and discloses a microcapsule slow-release synergistic trapping and killing preparation for adult monochamus alternatus and a prevention and control method. According to the preparation, the monochamus alternatus attractant and the 6% abamectin chlorobenzoyl microcapsule suspending agent are embedded in a polymer capsule wall material, and synchronous slow release of the monochamus alternatus attractant and the 6% abamectin chlorobenzoyl microcapsule According to the prevention and control method, an unmanned aerial vehicle or an airplane is adopted for precisely applying pesticide in a strip mode, and monochamus alternatus adults are efficiently prevented and controlled through a directional luring-concentrated gathering-targeted killing mechanism. The pesticide dosage is only 1 / 4 of that of conventional prevention and control, the comprehensive cost is remarkably reduced, the prevention and control effect is not statistically different from that of conventional agents, an ecological sensitive area can be flexibly avoided, high efficiency, economical efficiency and ecological friendliness are achieved, and a key technical scheme is provided for prevention and control of pine wood nematode disease vector insects.

The invention relates to the technical field of pesticides, in particular to a microemulsion containing abamectin and flonicamid. The flonicamid and abamectin compounded suspending agent is prepared from a flonicamid active compound, an abamectin active compound, a solvent, a coupling agent, an emulsifier, a synergistic aid and deionized water. The environment-friendly solvent is used, pollution to the environment is avoided, the ecological toxicity is low, the oil-water interface compatibility can be effectively improved, and the contact angle is reduced. Meanwhile, the microemulsion prepared by the invention is high in stability and long in lasting period, and can meet field requirements under complex climate conditions.

The application provides a kind of copper-based hydrotalcite material loading abamectin material and its preparation method and application, belongs to the technical field of pesticide manufacturing.The copper-based hydrotalcite is used as carrier to load abamectin pesticide, wherein the degradation product of copper-based hydrotalcite carrier in plant is nano copper oxide and metal copper ion, which can be used to generate active oxygen and synergize with abamectin fungicide.Especially in the occurrence site of fungal disease, the acid substances such as oxalic acid produced by pathogen can accelerate the degradation of copper-based hydrotalcite carrier, accelerate the transformation of hydrotalcite structure to nano copper oxide structure by responding to the environment pH, generate active oxygen to kill pathogen, so as to achieve the effect of sterilization.At the same time, the copper-based hydrotalcite carrier can mediate the transport of loaded abamectin pesticide to the plant, effectively improve the systemicity of abamectin pesticide, make it efficiently enriched in the main lesion site, and realize the precision control of disease and insect pest.

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 invention discloses charcoal-based slow-release nematicidal granules as well as a preparation method and a use method thereof, and belongs to the technical field of pest control. Comprising the following raw materials in parts by mass: 2.8-8.2 parts of 95% abamectin B2; 55.6-61.1 parts of biochar with a water content of 8-12%; 12 parts of 2-4% dilute sulfuric acid; 13.5 to 40 parts of dimethyl formamide with the concentration of 99%; 15 parts of a binder; 5 parts of a stabilizer; 1 part of an embedding agent; and 12 parts of water. The biochar-based slow-release nematicidal granule provided by the invention can effectively control the harm of root-knot nematode to crops such as tobacco, is safe to the crops, and can effectively guarantee the yield of agricultural products; in addition, by using the control technology, the dosage of chemical nematicide can be effectively reduced, and the purposes of reduction and synergism of chemical pesticide are achieved.

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 discloses a pesticide preparation containing fluopyram and abamectin as well as a preparation method and application of the pesticide preparation, and belongs to the technical field of pesticide preparations. The active ingredients of the pesticide preparation provided by the invention comprise fluopyram, abamectin, caryophyllene and caryophyllene, the pesticide preparation is prepared by adopting a complex coacervation technology of'acid first and alkali second ', and the pesticide preparation has pH and enzyme dual stimulation response characteristics, and can realize targeted release of infected parts of diseases and insect pests. According to the invention, plant source active substances including caryophyllene and caryophyllene and efficient chemical pesticides including fluopyram and abamectin are scientifically matched, so that synergistic interaction is realized, and the co-toxicity coefficient of the prepared pesticide preparation is greater than 130; the obtained product is good in stability and long in lasting period, the dosage of chemical pesticides can be effectively reduced, and the risk of environmental pollution is reduced.

This invention belongs to the field of pesticide technology and relates to an acaricidal composition and its application. 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 abamectin. The acaricidal composition can control a variety of mites, exhibits a synergistic effect within a certain proportion range, and can reduce the dosage, lower the cost, prolong the duration of effectiveness, and delay the development of pesticide resistance in mites.

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 relates to a stable synergistic pesticidal composition comprising A) a compound of Formula I, i. e., 4-[5-(3,5-dichlorophenyl )-4,5-dihydro-5-(trifluoromethyl)-3-isoxazolyl]-N-[ (methoxyamino)methylene]-2-methylbenzamide or its agrochemically acceptable salts, esters and derivatives; B) Abamectin or its agrochemically acceptable salts, esters and derivatives; and C) a compound of Formula II, i. e., 3-[(2-chloro-5-thiazolyl)methyl]tetrahydro5-methyl-N-nitro-4H-1,3,5-oxadiazin-4-imine or its agrochemically acceptable salts, esters or its derivatives for effective control of various pests including insects-pests and wide range of diseases caused by pests. The present invention also relates to a process for preparation of such pesticidal composition for synergistic and efficacious control of various pests including insects-pests and diseases caused by pests.

The invention belongs to the field of biopesticide preparation, and particularly discloses a preparation process of avermectin B2a fine powder. The process comprises the following steps: (1) carrying out vacuum concentration on the abamectin B1a crystallization mother liquor until no fraction exists, so as to obtain paste; adding ethyl acetate into the paste, heating, dissolving and washing to obtain an ethyl acetate dissolving solution; (2) slowly cooling the ethyl acetate solution to-5 DEG C to-15 DEG C, performing primary crystallization, and performing suction filtration to obtain abamectin B2a coarse powder; (3) adding ethyl acetate into the abamectin B2a coarse powder, stirring and dissolving at high temperature, slowly cooling, carrying out secondary crystallization, and carrying out suction filtration to obtain abamectin B2a primary fine powder; and (4) adding ethyl acetate into the primary avermectin B2a fine powder, stirring at high temperature until the primary avermectin B2a fine powder is completely dissolved, adding tetramethylethylenediamine or triethylamine, slowly cooling, carrying out last crystallization, and carrying out suction filtration and drying to obtain the avermectin B2a fine powder. The storage stability of the obtained abamectin B2a is effectively improved while the high purity is maintained.

The present application relates to a kind of high-yield abamectin B2 Streptomyces avermitilis AVE-16 and its preparation method, the Streptomyces avermitilis AVE-16 is preserved in China Microbial Culture Collection Center, and the preservation number is CGMCC No.38200.The present application uses Streptomyces avermitilis XB-12 as starting strain, uses ethyl methanesulfonate and atmospheric pressure plasma combined mutagenesis technology to obtain a Streptomyces avermitilis AVE-16, and the yield of abamectin B2a is increased by 145% compared with starting strain, and the total yield of abamectin (B1a+B2a) is increased by 44% compared with starting strain.

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 discloses Toll gene dsRNA and application thereof in improving the effect of abamectin in preventing and treating diaphorina citri. The invention provides a technical scheme for preventing and treating diaphorina citri through combined use of dsRNA of a targeted DcToll gene and abamectin, specifically, the DcToll gene of the diaphorina citri is silenced, the immune response of the diaphorina citri is inhibited, and the potential tolerance of the diaphorina citri to abamectin can be reduced. The method provided by the invention is expected to realize the synergistic interaction of immunosuppression and chemical agents, provides a new technical thought for improving the control effect of abamectin and delaying the development of resistance, and is beneficial to the realization of pesticide reduction and synergism.