48 results about "Clothianidin" patented technology

The invention belongs to the technical field of pesticide suspending agents, and particularly discloses a micro-capsule suspension-suspending agent containing chlorine fluorine and clothianidin and a preparation method of the micro-capsule suspension-suspending agent. The microcapsule suspension-suspending agent is prepared from the following raw materials: 11 to 13 percent of lambda-cyhalothrin, 12 to 14 percent of clothianidin, 9.20 to 9.60 percent of a solvent, 3.25 to 3.45 percent of a wall material I, 0.35 to 0.50 percent of protective glue, 2.13 to 2.33 percent of an emulsifier, 1.24 to 1.45 percent of a dispersing agent I, 0.24 to 0.45 percent of a wall material II, 3.90 to 4.10 percent of a dispersing agent II, 2.92 to 3.12 percent of an anti-freezing agent, 0.03 to 0.07 percent of a thickening agent I, 0.45 to 0.55 percent of a thickening agent II, 0.46 to 0.52 percent of a preservative and the balance of water. The microcapsule suspension-suspending agent prepared in the invention has good stability in the storage process, the slow release of effective components is controlled, and the lasting period is prolonged.

The invention relates to the technical field of seed treatment suspending agents. The invention discloses a seed treatment suspending agent containing clothianidin, prothioconazole and fludioxonil as well as a preparation method and application of the seed treatment suspending agent. The seed treatment suspending agent is prepared from the following raw materials: clothianidin, prothioconazole, fludioxonil, a bactericidal synergist, a dispersing agent, a wetting dispersing agent, a thickening agent, a preservative, an anti-freezing agent, a film-forming agent, warning coloration, a de-foaming agent and de-ionized water. The seed treatment suspending agent containing clothianidin, prothioconazole and fludioxonil prepared by the invention is good in suspending performance, low-temperature stability and heat storage stability. The application amount and the harm to the environment are reduced. The invention also relates to application of the seed treatment suspending agent in prevention and treatment of diseases and insect pests.

The invention relates to the field of pesticides, and particularly discloses a pH-light dual-response nano pesticide and a preparation process thereof. The invention relates to a preparation method of a pH-light dual-response nano insecticide. The preparation method comprises the following steps: adding water into polyethylene glycol, castor oil polyoxyethylene ether and sodium lignin sulfonate to prepare a water phase; the preparation method comprises the following steps: uniformly mixing an efficient cyhalothrin active compound with xylene, and adding diisocyanate to prepare an oil phase; adding the oil phase into the water phase, and adding ethylenediamine, YUS-SC3A, glycerol, xanthan gum, magnesium aluminum silicate and benzoic acid to obtain the lambda-cyhalothrin microcapsule suspending agent. The preparation method comprises the following steps: adding water into YUS-SC3A, uniformly mixing, and adding a clothianidin active compound, glycerol, xanthan gum, magnesium aluminum silicate, AF205 and benzoic acid to obtain a clothianidin suspending agent; mixing the two agents to obtain the nano insecticide, adding the composite dispersant, adding the pre-gel, adding azodiisobutyronitrile, blowing with inert gas, and adding Kathon. By preparing the pH-light dual-response nano insecticide, the insecticidal effect is improved, the generation of drug resistance is avoided, and efficient prevention and control of wheat aphids are realized.

The invention relates to a fluazinam-containing pesticide composition, a seed treatment suspending agent as well as a preparation method and application of the seed treatment suspending agent. The invention provides a fluazinam-containing pesticide composition. The active ingredients of the fluazinam-containing pesticide composition comprise fluazinam, fludioxonil and clothianidin, the mass ratio of the clothianidin to the fluazinam to the fludioxonil is (6-7): (0.4-0.8): (0.2-0.6), and the composition has an excellent synergistic effect. The suspending agent for seed treatment is compounded with a film-forming agent composed of acrylate and polydimethylsiloxane according to a specific proportion, it can be ensured that seed coats are not prone to falling off after being coated, meanwhile, adjustment can be conducted according to environmental adaptability, a coating layer is evenly mixed with a pesticide and pigment, the release time of effective components of pesticides is prolonged, and the pesticide effect is improved. The problem of seed coating fading is effectively solved, and the pesticide composition has an excellent effect in prevention and treatment of agricultural diseases such as peanut root rot, grub, wheat stem rot and aphid.

The application discloses a seed treatment suspension agent containing a stable security agent, and the effective component of the seed treatment suspension agent contains pyraclostrobin, fludioxonil and thiamethoxam, the mass ratio of pyraclostrobin, fludioxonil and thiamethoxam is (1-5):(1-2):(10-100), the effective component is used in an amount of 4-40 wt%, and the stable security agent at least includes ascorbic acid fatty acid ester or its derivative of formula (I), the ascorbic acid fatty acid ester of formula (I) is selected from ascorbic acid laurate, ascorbic acid olivate and ascorbic acid stearate; in the seed treatment suspension agent, the mass ratio of pyraclostrobin and the stable security agent is 100:(0.1-100). The application maintains the seed treatment suspension agent between pH 4 and 9 by adding the stable security agent in the seed treatment suspension agent, reduces the degradation rate of the effective component, reduces the risk of pesticide damage, and has safety to crop seeds.

The application discloses a propiconazole-azoxystrobin- clothianidin seed treatment suspending agent and a preparation method and application thereof, and belongs to the technical field of pesticide preparations; the agent takes propiconazole, azoxystrobin and clothianidin as active ingredients, takes beta-nicotinamide mononucleotide (NMN) as a functional antimicrobial component, and is supplemented with styrene-maleic anhydride copolymer sodium salt, fatty alcohol polyoxyethylene ether, xanthan gum, magnesium aluminum silicate, glycerol, polydimethylsiloxane defoaming agent, sodium benzoate, polyvinyl alcohol and deionized water to prepare the agent. The application is suitable for seed coating treatment for preventing and treating rice false smut, thrips and wheat sharp eyespot and aphids; NMN promotes the accumulation of phenolic compounds in the phloem of plants, and cooperates with clothianidin on the same insecticidal target, thereby significantly improving the prevention and treatment effect on aphids and thrips; the degradation product of NMN promotes the proliferation of beneficial microorganisms in the rhizosphere, improves soil enzyme activity, and realizes soil micro-ecological restoration.

The present invention relates to a method of strengthening crops by applying a pesticidal combination comprising at least as active ingredient (I) isoxtolfenpyrad and as active ingredient (II) thiamethoxam to plant propagation material or plant growth locus in any desired sequence or simultaneously.

The invention belongs to the field of chemical detection, and relates to a preparation method and application of a CdSe / ZnS quantum dot labeled double-probe fluorescence immunochromatography test strip. The test strip comprises a bottom plate, a nitrocellulose membrane, a sample pad, a conjugate pad and a water absorption pad, the nitrocellulose membrane is located above the bottom plate, the sample pad and the conjugate pad are sequentially arranged on the bottom plate on the left side of the nitrocellulose membrane, and the water absorption pad is arranged on the bottom plate on the right side of the nitrocellulose membrane; quantum dots with two wavelengths are distributed on the conjugate pad and are respectively marked with two probes of mouse antibodies of two pesticides, and a thiamethoxam antigen, a clothianidin antigen and a goat anti-mouse secondary antibody strip are further distributed on the nitrocellulose membrane. The invention further provides a visual and rapid detection test strip suitable for quantitatively detecting the residual quantity of thiamethoxam and clothianidin in spinach, the cross reaction is lower than 10% or below of the rapid detection requirement, and the visual and rapid detection test strip has market application and popularization value.

The invention belongs to the technical field of agricultural pest control, and particularly relates to a preparation method and application of a Holotrichia diomphalia larva compound luring-insecticidal system. The system is composed of a composite attractant and a clothianidin suspending agent, the composite attractant comprises the following components in percentage by mass: 10% of smell attractant (mixing 2-butenoic acid and 2-phenethyl alcohol according to a ratio of 1: 1), 8% of saccharide and 82% of water, and the clothianidin suspending agent is an effective insecticidal component. According to the compound attractant, two odor attractants, namely 2-butenoic acid and 2-phenethyl alcohol, have a synergistic effect, so that the compound attractant shows a remarkable synergistic effect on larvae of Holotrichia diomphalia, and the attraction activity of the compound attractant is obviously superior to that of a single component. The compound attractant disclosed by the invention effectively attracts larvae to gather in a specific flavor source in a broad-spectrum manner, and has a synergistic effect with a clothianidin suspending agent, so that the insecticidal effect is remarkably improved, the use of chemical pesticides is greatly reduced, the compound attractant is green, pollution-free and residue-free, natural enemies are protected, the environment is protected, and green prevention and control of grubs are realized.

The present invention relates to a dry flowable agricultural composition of nitenpyram, and pymetrozine. More specifically, synergistic dry flowable (DF) insecticidal composition of nitenpyram, pymetrozine along with suitable agrochemical additives, and its preparation thereof.

The invention belongs to the technical field of pesticide disinfestation and sterilization, and particularly discloses a seed treatment suspending agent containing pydiflumetofen (A), benziothiazolinone (B) and clothianidin (C) and application of the seed treatment suspending agent. Wherein the effective components comprise fungicide pydiflumetofen and benziothiazolinone, the insecticide is clothianidin, and the mass ratio of the three effective components is more preferably (1-15): (1-10): (1-20). The three effective components are different in action mode, synergistic in effect and long in lasting period, and can effectively prevent and control wheat basal stem rot and damage of wheat aphids and underground insect grubs, so that the emergence rate of wheat seeds is greatly increased, roots and seedlings are strengthened, and the effect of increasing yield and income is finally achieved.

The invention discloses a sulfur-doped carbon-based confinement composite material as well as a preparation method and application thereof, and belongs to the technical field of sewage treatment. The preparation method comprises the following steps: jointly dispersing biochar, soluble copper salt, soluble iron salt and sodium sulfate into water to obtain a mixed solution A; adjusting the pH value of the mixed solution to 4.8-5.2 by using a pH regulator and a pH buffer agent to obtain a mixed solution B; performing hydrothermal reaction on the mixed solution B, and then filtering, washing, drying and calcining to obtain the sulfur-doped carbon-based confinement composite material. The prepared sulfur-doped carbon-based confinement composite material is low in price, stable in structure and high in catalytic activity. When the catalyst is used for activating persulfate, the decomposition reaction of the persulfate can be accelerated through a free radical and non-free radical synergistic path. When a catalytic oxidation system formed by the catalyst and persulfate is used for degrading the neonicotinoid insecticides in water, the degradation efficiency is high, and the catalyst has a broad-spectrum degradation effect on various neonicotinoid insecticides such as thiamethoxam and clothianidin.

The invention provides a prothioconazole, flutolanil and clothianidin seed treatment suspending agent and a preparation method thereof. According to the seed treatment suspending agent, a compound thickening agent is used and is matched with a specific anti-freezing agent, and proper raw material adding sequence and preparation steps as well as process parameters such as shearing time and grinding temperature are determined, so that the conditions of huddling or caking, poor preparation stability, poor film-forming property and the like which are easy to occur in the preparation process of the seed treatment suspending agent are avoided; the method is suitable for large-scale industrial production. The seed treatment suspending agent disclosed by the invention is good in stability, can be used for preventing and treating wheat root rot and wheat aphids, and is remarkable in pesticide effect.

The application belongs to the technical field of pesticide insecticide, and discloses a pesticide composition containing brofenvalerate, which comprises active ingredient A, active ingredient B and active ingredient C; the active ingredient A is brofenvalerate; the active ingredient B is high-efficiency lambda-cyhalothrin; and the active ingredient C is any one of thiamethoxam or thiamethoxam. The pesticide composition can effectively prevent and control various underground pests and seedling stage pests, especially the underground pests and seedling stage pests of peanuts and corns, and can enhance the stress resistance of plants, reduce the amount of pesticide, prolong the effective period, and has no pesticide damage to crops.

The invention discloses a method for detecting clothianidin and thiamethoxam in ginger based on quantum dot microsphere fluorescence immunochromatography, and belongs to the technical field of compound detection. The method comprises the following steps: (a) extracting a ginger sample by adopting an acetonitrile solution, and diluting supernate by using a PBS (Phosphate Buffer Solution) to obtain a solution to be detected; (b) dropwise adding a solution to be detected onto the sample pad of the test strip, incubating, reading a fluorescence signal by using a quantum dot microsphere fluorescence immunoassay analyzer, respectively obtaining signal intensities and ratios of detection lines and quality control lines of clothianidin and thiamethoxam, correspondingly substituting the ratios into a clothianidin and thiamethoxam standard curve, and calculating to obtain the content of clothianidin and thiamethoxam. The method disclosed by the invention has the characteristics of uniform sample pretreatment, simplicity, convenience and rapidness in detection, high sensitivity, capability of simultaneously providing quantitative results of two items and the like, and is suitable for on-site screening of large-batch samples.

The invention relates to a pesticide composition containing a nicotine compound and application of the pesticide composition. The pesticide composition is prepared from flufenican amide, acetamiprid, thiamethoxam or clothianidin and the like. The pesticide composition has an obvious synergistic effect, the usage amount of pesticides is reduced, the residual amount of the pesticides on crops is reduced, and the environmental friendliness is enhanced. The pesticide 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, flea beetle, spider mites, brown planthopper or liriomyza sativae.

The application discloses an insecticide, a preparation method and application thereof, and relates to the technical field of pesticide preparation. The application combines bifenthrin-thiamethoxam compound, yellow ginseng essential oil and sophora glycoside as effective components of the insecticide, and the combination of the chemical source and the plant source can not only improve the control effect of the insecticide on the underground pests of potatoes, reduce the risk of pesticide resistance of the pests, but also improve the yield and quality of the potatoes. The yellow ginseng essential oil and the sophora glycoside have a synergistic effect on improving the insecticidal effect of the insecticide. In addition, the application adopts gelatin as wall material and insecticidal effective components as core material to prepare the insecticide with a microcapsule structure, so that the insecticide can prolong the effective period, and is suitable for the underground pests living in the soil and having a long activity period.

This invention relates to a method of controlling, limiting or preventing an infestation of a plant by Oomycetes, which comprises applying to propagation material of said plant, a pesticidal combination comprising a phosphorus-based compound as active ingredient A, and an active ingredient B selected from acibenzolar-S-methyl, fludioxonil, fluxapyroxad, inpyrfluxam, mefentrifluconazole, prothioconazole, sedaxane, triticonazole, oxathiapiprolin, fluoxapiprolin, azoxystrobin, difenoconazole, fluopyram, ipconazole, metyltetraprole, silthiofam, dimethomorph, thiophanate-methyl, natamycin, benzovindiflupyr, pydiflumetofen, picarbutrazox, isocycloseram, cyclobutrifluram, broflanilide, thiamethoxam, imidacloprid, clothianidin, cyantraniliprole, chlorantraniliprole, tetraniliprole, fipronil, and any mixture thereof.

The invention discloses a glow discharge treatment device for degrading clothianidin in water and a treatment method thereof. According to the device, a beaker added with a rotor is arranged above a magnetic stirrer, a tungsten steel rod is suspended above the beaker through an iron support, the tungsten steel rod is connected with a high-voltage glass glaze resistor through a wire, and the high-voltage glass glaze resistor is connected with a high-voltage direct-current power supply through a wire. The treatment method comprises the following steps: putting a clothianidin solution to be treated into a beaker, adding a rotor, adjusting the rotating speed of a magnetic stirrer, adjusting the distance between the vertex of the tip of a tungsten steel bar electrode and the upper surface of wastewater, adjusting the voltage and current of a high-voltage direct-current power supply, and breaking down air by high-voltage direct current to irradiate active ions to the water surface for degradation treatment. According to the device, direct-current-driven low-temperature plasma glow discharge is optimized, the positive electrode and the negative electrode are suspended above the liquid level, clothianidin in water is effectively degraded, the degradation rate can reach 99%, anode loss is avoided, and the device is simple in structure, easy and convenient to operate, low in manufacturing and operating cost, smaller in energy consumption and better in treatment effect.

The invention discloses a synthesis process and a synthesis device of clothianidin, and relates to the technical field of clothianidin synthesis, the synthesis device comprises a four-in-one reactor and a preheating cylinder, the four-in-one reactor comprises a stirring mechanism, a vacuum mechanism, a nitrogen valve, a charging valve and a jacket and filtering mechanism, the nitrogen valve is installed on the outer side of the four-in-one reactor, and the charging valve is installed on the outer side of the four-in-one reactor; one end of the jacket is fixedly connected with a third pipeline, the other end of the jacket is provided with a first pipeline, the outer side of the preheating cylinder is fixedly sleeved with a preheating sleeve, and the interior of the preheating cylinder is rotationally connected with a rotating column through a bearing. According to the present invention, the 1, 5-dimethyl-2-nitroiminohexahydro-1, 3, 5-triazine is adopted to replace the 1, 5-dimethyl-2-nitroiminohexahydro-1, 3, 5-triazine to prepare the clothianidin, such that the reaction yield can be improved by more than 10%, and the yield is stable; side reactions are reduced, and the product has few impurities and high purity.

The invention discloses clothianidin and cyantraniliprole compound insecticidal granules and a preparation process thereof.The preparation process comprises the steps that lignin modification is conducted on diatomite powder to obtain pretreated diatomite, and garlic oil is used for conducting modification treatment on the pretreated diatomite to obtain modified diatomite; dissolving clothianidin and cyantraniliprole in methanol to obtain a pesticide solution, adding the modified diatomite into the pesticide solution, carrying out dipping treatment and centrifugation to obtain a precipitate so as to obtain pesticide-loaded modified diatomite, and granulating the pesticide-loaded modified diatomite to obtain pesticide-loaded modified diatomite particles; and finally, coating the pesticide-loaded modified diatomite particles by using a coating liquid under the condition of a pulsed magnetic field, thereby obtaining the pesticide-loaded modified diatomite particles. According to the invention, the preparation process of the clothianidin and cyantraniliprole compound granules is improved, the insecticidal effect is ensured, the toxicity is reduced, and the stability of the granules is improved.

The invention discloses a pesticide repellent additive for preventing pollinated bees from pesticide poisoning and a preparation method thereof, the pesticide repellent additive specifically comprises the following raw materials by weight: 3-15% of neem oil, 2-10% of menthol, 3-15% of sophocarpidine, 2-10% of rotenone, 2-10% of carbolic acid, 1-10% of benzoic acid, 1-10% of a surfactant, 0.1-5% of a stabilizer and the balance of a solvent, and the invention relates to the technical field of agricultural chemicals. According to the pesticide repellent additive for preventing pesticide poisoning of pollinated bees, natural components (such as neem oil and menthol) and chemical components have a synergistic effect, the repellent rate can reach 80% or above, so that bees are efficiently repelled, the pesticide repellent additive is environment-friendly, and the natural repellent is wide in source, fast in degradation, free of chemical residues, capable of meeting the green agriculture requirement and high in compatibility and has a good application prospect. The additive can be compatible with various pesticides (such as clothianidin and imidacloprid), the pesticide effect is not affected, the cost is low, the preparation process is simple, raw materials are easy to obtain, and the additive is suitable for large-scale popularization.

Pesticidal mixtures comprising as active compounds A) the ethylsulfone compound of formula (I) and B) at least one further compound B selected from fipronil, lambda-cyhalothrin, bifenthrin, tefluthrin, alpha-cypermethrin, thiamethoxam, clothianidin, acetamiprid, imidacloprid, dinotefuran, tri-flumezopyrim, fenmezoditiaz, spinosad, spinetoram, abamectin, afidopyropen, indoxacarb; met-aflumizone, spiropidion, spidoxamat, chlorantraniliprole, cyantraniliprole, tetraniliprole, cyclaniliprole, broflanilide, isocycloseram; dimpropyridaz; and difenoconazole, prothioconazole, flutriafol, ipconazole, tebuconazole, mefentrifluconazole, triticonazole, fluoxytioconazole, metyltetraprole, azoxystrobin, trifloxystrobin, pyraclostrobin, sedaxane, penflufen, fluopyram, fluxapyroxad, pydiflumetofen, isoflucypram, cyclobutrifluram, oxathiapiprolin, fluoxapriprolin, metalaxyl, picarbutrazox, fludioxonil, thiophanat-methyl; methods and use of these mixtures for combating invertebrate pests such as insects, arachnids or nematodes in and on plants, and for protecting such plants being infested with pests, especially also for protecting plant propagation material as like seeds.

This invention relates to a method of controlling, limiting or preventing an infestation of a plant by Oomycetes, which comprises applying to propagation material of said plant, a pesticidal combination comprising a phosphorus-based compound as active ingredient A, and an active ingredient B selected from acibenzolar-S-methyl, fludioxonil, fluxapyroxad, inpyrfluxam, mefentrifluconazole, prothioconazole, sedaxane, triticonazole, oxathiapiprolin, fluoxapiprolin, azoxystrobin, difenoconazole, fluopyram, ipconazole, metyltetraprole, silthiofam, dimethomorph, thiophanate-methyl, natamycin, benzovindiflupyr, pydiflumetofen, picarbutrazox, isocycloseram, cyclobutrifluram, broflanilide, thiamethoxam, imidacloprid, clothianidin, cyantraniliprole, chlorantraniliprole, tetraniliprole, fipronil, and any mixture thereof.

The invention discloses a pesticide composition as well as a preparation method and application thereof, and relates to the technical field of nano pesticides. According to the invention, vitexin and gentiopicroside are used as synergists, and vitexin and gentiopicroside and a chlorantraniliprole-clothianidin compound are used as raw materials to prepare the pesticide composition. Through combination of the chemical pesticide preparation and the plant source synergist, synergistic interaction of multiple action targets and multiple action modes is achieved, efficient prevention and control of peanut underground pests are achieved, and meanwhile the drug resistance risk generated by using a single agent can be avoided. According to the pesticide composition with the microcapsule structure prepared by the invention, the stability of effective components can be improved; the slow release of the effective components can also be realized. In addition, vitexin and gentiopicroside are compounded to serve as the synergist, and the composition has a combined synergistic effect on improvement of prevention and control of underground pests.

This invention discloses a non-competitive lateral flow immunoassay method based on dual-signal mode of AIE nanoparticles, belonging to the field of agricultural product detection technology. This invention uses an organic solvent swelling method to prepare PSNPs@AIE. 650 Hydrophilic AIE nanoparticles were used to label anti-immune complex peptides (AICPs) with streptavidin-biotin system via an active esterification method to obtain PSNPs@AIE. 650 @AICP immunorecognition probe; Construct a dual-signal non-competitive lateral flow immunochromatographic system for the detection of thiamethoxam residues in agricultural products. This invention achieves colorimetric + fluorescence dual-signal readout, with a colorimetric visualization detection limit of 1.0 ng / mL and a quantitative detection limit of 0.45 ng / mL; a fluorescence visualization detection limit of 0.25 ng / mL and a quantitative detection limit of 0.23 ng / mL. It has the advantages of high sensitivity, strong specificity, rapid portability, and resistance to matrix interference, effectively solving the problem of insufficient sensitivity in traditional colloidal gold lateral flow immunoassay, and is suitable for rapid on-site detection of small molecule pesticide residues in agricultural products.

The invention relates to the field of pesticides, in particular to a seed treatment suspending agent containing clothianidin, thifluzamide and ipconazole, which is used for solving the problems that the existing clothianidin, thifluzamide and ipconazole are easily used independently to cause drug resistance, the environment is polluted when the clothianidin, thifluzamide and ipconazole are used in large quantities, and the seed protection effect is still not ideal. A seed treatment suspending agent is prepared by reasonably compounding clothianidin, thifluzamide and ipconazole, then seeds are coated by using the seed treatment suspending agent, the action mechanisms of clothianidin, thifluzamide and ipconazole are different, and the seeds have good insect pest and disease resistant effects under the synergistic effect of clothianidin, thifluzamide and ipconazole; the emergence rate and the disease and pest control effect of the seeds can be obviously improved, the generation of drug resistance caused by long-term independent use is avoided, and the protection effect on the seeds is also improved.

The application belongs to the technical field of pesticide suspending agent, and specifically discloses a micro-capsule suspending-suspending agent containing chlorfluazuron and clothianidin and a preparation method thereof. The micro-capsule suspending-suspending agent containing chlorfluazuron and clothianidin comprises the following raw materials: 11-13% of high-efficiency chlorfluazuron, 12-14% of clothianidin, 9.20-9.60% of solvent, 3.25-3.45% of wall material one, 0.35-0.50% of protective glue, 2.13-2.33% of emulsifier, 1.24-1.45% of dispersant one, 0.24-0.45% of wall material two, 3.90-4.10% of dispersant two, 2.92-3.12% of antifreeze, 0.03-0.07% of thickening agent one, 0.45-0.55% of thickening agent two, 0.46-0.52% of preservative, and water supplement. The micro-capsule suspending-suspending agent prepared in the application has good stability during storage, controls slow release of effective components, and prolongs the effective period.

The invention discloses a seed treatment suspending agent as well as a preparation method and application thereof. The seed treatment suspending agent comprises an active compound, a dispersing agent, an anti-freezing agent, a thickening agent, a film-forming agent, an auxiliary agent and deionized water, the active compound comprises azoxystrobin, clothianidin and thifluzamide, and the weight ratio of the azoxystrobin to the clothianidin to the thifluzamide is (1-5): (15-30): (1-5). According to the invention, comprehensive prevention and control of peanut southern blight and grubs can be realized, multi-prevention by one pesticide is realized, the field spraying frequency is reduced, and the labor cost is reduced. The use concentration of a single agent is reduced, the toxicity to seeds and the environment is reduced, the stress of the agent to the seeds is relieved, the growth of seedlings is promoted, meanwhile, the storage stability of the seed treatment suspending agent can be improved, and the seed treatment suspending agent keeps good dispersity and suspension property.

This pest control composition contains a component (1) and a component (2), wherein: the component (1) is an isoxazoline-based or metadiamide-based compound; and the component (2) is a phenylpyrazole-based compound, a compound acting as a mitochondrial electron transfer system complex III inhibitor, a compound acting as a glutamic-acid-activated chlorine ion channel allosteric modulator, a compound acting as a nicotinic acetylcholine receptor competitive modulator, a compound acting as a chord organ TRPV channel modulator, a compound acting as an acetyl CoA carboxylase inhibitor, a pyrethroid-based compound, benzpyrimoxan, fluhexafon, tyclopyrazoflor, indazapyroxamet, tiapyrachlor, flupyroxystrobin, or cybenzoxasulfyl.