60 results about "Bifenthrin" patented technology

The invention discloses a mixed blank matrix for vegetable pesticide residue analysis and detection and its application, including the preparation of blank matrix and the preparation of mixed blank matrix, the raw materials of mixed blank matrix are calculated by weight: 20-30 parts of Chinese cabbage, 20-40 parts of cucumber, 10-40 parts of spinach, 5-30 parts of cauliflower; after the blank matrix and the mixed blank matrix are pre-treated, the matrix matching standard solution establishes a standard curve, and the pure solvent standard curve is established at the same time; the corresponding matrix effect is calculated using the slope; the matrix matching degree is calculated; the practicality of the mixed blank matrix is ​​evaluated. The mixed blank matrix can reduce or eliminate the matrix effect, and is suitable for the simultaneous determination of the residual amounts of dichlorvos, chlorpyrifos, pirimicarb, metalaxyl, chlorpyrifos, triadimefon, procymidone, myclobutanil, propiconazole, bifenthrin and etoxazole in 8 different vegetables (cucumber, Chinese cabbage, spinach, cauliflower, lettuce, celery, green onion, green vegetables), which can improve work efficiency, reduce the time cost caused by the blindness of obtaining blank matrix, and reduce the maintenance cost of the instrument.

The invention relates to the field of organic synthesis, and discloses a preparation method of bifenthrin. The method comprises the following steps: in the presence of a catalyst composition, enabling kung-fu acid and 2-methyl-3-phenylbenzyl alcohol to be in contact for esterification reaction, the catalyst composition comprises a component A and a component B, wherein the component A is selected from an oxyacid ester of an IVB group element and / or a compound formed by the IVB group element and alcohol; wherein the component B is selected from at least one of inorganic salt of copper, oxide of copper, oxide of tin and inorganic salt of tin. The yield of the bifenthrin prepared by the method is high (more than 98%), the purity is high (up to 99.4%), the produced bifenthrin isomers are less (less than 0.5%), the market requirements can be met, and the whole process flow is efficient and environment-friendly.

The present invention belongs to the field of pesticide insecticide technology and discloses an insecticidal composition containing trifluanid and its application. The active ingredients in the insecticidal composition include active ingredient A and active ingredient B, wherein active ingredient A is trifluanid and active ingredient B is either bifenthrin or isoxathiapiprolin. The mass ratio of active ingredient A to active ingredient B is 1:50 to 30:1. The insecticidal composition has excellent control effects on various crop pests. Due to the emergence of pests resistant to existing drugs, this application develops a new type of agricultural and horticultural insecticide.

The invention discloses an insecticide as well as a preparation method and application thereof, and relates to the technical field of pesticide preparation. According to the invention, the bifenthrin-clothianidin compound, the rhizoma polygonati essential oil and the sophoricoside are combined as effective components of the insecticide, and chemical sources and plant sources are combined, so that the control effect of the insecticide on potato underground pests can be improved, the drug resistance risk of the pests is reduced, and the yield and quality of potatoes can be improved. The rhizoma polygonati essential oil and the sophoricoside are compounded, so that the synergistic effect on improving the insecticidal effect of the insecticide is achieved. Besides, gelatin is adopted as a wall material and insecticidal effective components are adopted as a core material to prepare the insecticide with a microcapsule structure, so that the lasting period of the pesticide effect can be prolonged, and the insecticide is suitable for underground pests living in soil and having a relatively long active period.

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 present invention relates to the field of immunoassay technology and provides a bifenthrin hapten, antigen, antibody, preparation method, and application thereof. The bifenthrin hapten provided by the present invention completely retains the molecular structure of bifenthrin. After coupling with a carrier protein, the immunogenicity of the resulting antigen is significantly improved, and the prepared antibody has stronger specificity and higher sensitivity. The results of the examples show that the bifenthrin hapten provided by the present invention is coupled with a carrier protein, and the resulting antigen, after injection into mice for immunization, produces an antibody titer of 1×10 4 , half inhibitory concentration (IC 50 ) is about 20ppb, and the minimum detection limit of colloidal gold for bifenthrin in dry tobacco leaf samples is about 1.25μg / g.

The invention discloses a preparation process of a double-membrane microcapsule suspending agent. The preparation process comprises the following steps: preparing an oil phase; preparing a water phase; forming an emulsion; forming a first layer of film; forming a double-membrane microcapsule; blending a final product; the bifenthrin and the thiacloprid are wrapped in a unique double-membrane structure, so that the pesticide can be slowly released, the lasting period is long, and the pesticide application frequency is reduced; the pesticide composition has the advantages of increasing the attachment and deposition of the pesticide, improving the transmission performance of the pesticide to a target, reducing the droplet bounce, improving the utilization rate of the pesticide, reducing the influence on the environment and having important significance on the reduction and synergism of the pesticide, and can improve the control effect and effectively help the forestry to reduce unnecessary extra disasters for the prevention and treatment of forestry insect pests; according to the insecticidal composition, the quality of the whole forestry is improved while the forestry treatment cost is saved, two pesticides with different action mechanisms are compounded, the defects of a single pesticide are overcome, the drug resistance of pests is reduced, the insecticidal range is expanded, and the insecticidal activity is higher.

The invention relates to the technical field of pesticides, in particular to a pesticide composition and a preparation method and application thereof. The pesticide composition comprises the following components in percentage by weight: 15-25% of pymetrozine; 5 to 15% of bifenthrin; 10-12% of a wetting dispersant; 0.3%-0.5% of a defoaming agent; 0.6%-1.0% of a suspension stabilizer; 3-5% of an antifreezing agent; 0.1 to 0.3 percent of preservative; 0.1%-0.3% of a thickening agent; 0.2%-0.5% of a pH conditioning agent; and at least 40.4% water; the wetting dispersant comprises polycarboxylate, modified rosin polyether and lignosulfonate. The pesticide composition disclosed by the invention can be uniformly attached to the surface of spinach, is excellent in fast-acting property and durability in field application, and shows a very good prevention and treatment effect on spinach pests.

The present invention discloses an analytical method for detecting the residues of various pesticides in tea leaves and tea soups. The method process is as follows: firstly classify the types of pesticides to be detected, respectively draw the standard curves of the pesticide standards to be detected by gas chromatography or liquid chromatography-tandem mass spectrometry (LC-MS / MS), extract the tea leaves or tea soup samples by solvent extraction, obtain the extracted sample liquid, and obtain the pesticide residue results by the above-mentioned standard curve after testing by gas chromatography GC or LC-MS / MS. The method of the present invention has the advantages of less interference from impurities, convenient sample pretreatment, reliable precision and accuracy, etc. The GC-ECD method can be applied to the trace analysis and detection of chlorpyrifos, bifenthrin, cypermethrin and cypermethrin in tea leaves and tea soup samples; the GC-FPD method can be applied to the analysis and detection of chlorpyrifos and malathion in tea leaves and tea soup samples; the LC-MS / MS method has high sensitivity, accurate qualitative analysis, and very low detection limit, and can be widely used in the trace analysis and detection of neonicotinoid pesticides in tea leaves and tea soup samples.

The present invention belongs to the field of pesticide technology, and specifically relates to a pesticide composition for controlling white grubs. The insecticidal composition is formed by compounding dichlorothiapyrim and rotenone, or by compounding dichlorothiapyrim and bifenthrin. The compounded insecticidal composition of the present invention exhibits a synergistic effect on second-instar white grub larvae, improving the control efficacy against white grubs, reducing pesticide usage and pesticide residues, and achieving high efficiency, low residue, and environmentally friendly performance. This is of great significance for the development of highly effective white grub control agents.

The invention relates to the field of pesticide pharmacy, and particularly discloses a nano sustained-release suspending agent containing flonicamid and bifenthrin and a preparation method of the nano sustained-release suspending agent. The invention discloses a nano sustained-release suspending agent containing flonicamid and bifenthrin. The nano sustained-release suspending agent is prepared from the following raw materials in percentage: 20-40% of a compound of flonicamid and bifenthrin, 1-5% of a dispersing agent, 0.1-0.3% of a preservative, 1-3% of an anti-freezing agent, 0.005-0.01% of a defoaming agent, 10-20% of a nano carrier and the balance of water, wherein the total percentage is 100%; the mass ratio of the flonicamid to the bifenthrin in the compound of the flonicamid and the bifenthrin is 1 to (0.8 to 1.2); according to the invention, two medicaments with different action mechanisms are mixed for use, and the release speed of the effective components in the environment can be slowed down by using the nano-carrier, so that quick-acting and long-acting synergistic effects are finally realized.

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 provides a pesticide composition containing a pyrethroid compound, which consists of a compound with a structural formula (I) and a second effective component, the second effective component is bifenthrin, beta-cyhalothrin, fenpropathrin, beta-cyhalothrin, beta-cyhalothrin, beta-cyhalothrin, cypermethrin, cyfluthrin, deltamethrin, ethofenprox, fenvalerate or cis-cypermethrin, and the weight ratio of the bifenthrin, the beta-cyhalothrin, the fenpropathrin, the fenvalerate and the cis-cypermethrin is (1-50): (1-50). The invention also provides application of the pesticide composition in prevention and control of agricultural and forestry pests, especially phyllotreta striolata, ostrinia nubilalis or tetranychus cinnabarinus. The invention verifies that a remarkable synergistic effect can be obtained by compounding the flufenoxanil and the pyrethroid insecticide in a proper proportion, the effects of improving the control effect, reducing the dosage and expanding the insecticidal spectrum are realized, and the composition has an excellent control effect on target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis, thrips, flea beetle and tetranychid mites, and has a good control effect on the target pests such as chilo suppressalis, plutella xylostella, green peach aphid, beet armyworm, ostrinia nubilalis. (I).

DEPCT68 What is described here is a dry formulation of agricultural chemical compounds, such as granules that are dispersible in water. (WG) or wettable powder (WP), for active ingredients with a relatively low melting temperature, such as: Bifenthrin dry formulations provide a high loading of the active ingredient and good dispersion ability. Excellent, and excellent storage stability;

The invention discloses a high-quality tea leaf processing technology, and belongs to the technical field of tea leaf processing, and the high-quality tea leaf processing technology comprises the following steps: (1) fresh leaf pretreatment; (2) performing microwave fixation; (3) rolling; and (4) freeze drying. According to the high-quality tea leaf processing technology provided by the invention, the tea leaf processing technology is improved, so that infection of microorganisms is effectively avoided, a very good killing effect on mold, escherichia coli and the like existing in fresh leaves is achieved, and meanwhile, decomposition of bifenthrin, imidacloprid and carbendazim can be promoted, so that the quality of tea leaves is improved, and the quality of the tea leaves is improved. And the health of consumers is guaranteed.

The invention belongs to the field of biochar composite materials, and particularly relates to an iron-modified biochar immobilized microbial gel bead as well as a preparation method and application thereof. According to the preparation method, calcium ion cross-linked alginate spherical hydrogel is utilized to embed iron-modified charcoal immobilized microorganisms to obtain the iron-modified charcoal immobilized microorganism gel beads, and the iron-modified charcoal immobilized microorganism gel beads can efficiently adsorb and degrade bifenthrin pollutants in a water body by utilizing the synergistic effect of zero-valent iron, charcoal and microorganisms.

Provided are improved concentrate, pre-mix and tank-mix compositions comprising bifenthrin and chlorantraniliprole.

The invention relates to the technical field of biochemical detection of vegetables, in particular to a method for rapidly determining bifenthrin and fluvalinate enantiomer residues in cabbages. After a sample is extracted by acetonitrile and purified by a solid-phase extraction column, a CHIRALPAK OJ-H chiral chromatographic column is adopted for separation, supercritical carbon dioxide-methanol is taken as a mobile phase, isocratic elution is carried out at the flow speed of 1.0 mL / min, the detection wavelength is 203 nm, and quantification is carried out by an external standard method. The method quantitation limits of the two bifenthrin enantiomers are both 0.1 mg / kg, the method quantitation limits of the two fluvalinate enantiomers are both 0.2 mg / kg, the linear range is 0.5-20 mg / L, the linear correlation coefficient is larger than 0.9992, the recovery rate range is 80.4%-102% under three standard addition levels (0.1 mg / kg, 0.2 mg / kg, 0.4 mg / kg, 1.0 mg / kg and 2.0 mg / kg), and the relative standard deviation is 2.3%-6.8%. The method is convenient to operate, has a good separation effect, is green and environment-friendly, and can meet the requirements of residual analysis of bifenthrin and fluvalinate enantiomers.

The present invention belongs to the technical field of pesticides, and specifically relates to a pesticide composition for controlling tea geometrids. The pesticide composition for controlling tea geometrids comprises an active ingredient comprising a combination of a chestnut leaf extract and deltamethrin, cypermethrin, or bifenthrin. The combination of the two active ingredients exhibits a synergistic effect against tea geometrids, improving their effectiveness against them and reducing the application rate of existing chemical agents. This helps reduce pesticide residues in tea leaves, effectively preventing excessive pesticide residues in tea production.

The invention provides a method for rapidly detecting bifenthrin in drug soil barrier soil based on a QuEChERS method in combination with ultra-high performance liquid chromatography. The method comprises the following steps: step 1, preparing a soil sample to be detected; step 2, extraction; step 3, purifying; step 4, detecting; 5, preparing a standard solution; 6, drawing a correction curve; step 7, combining calculation, adopting an external standard method for quantification, substituting the corresponding peak area into a correction curve formula for calculation, and obtaining the corresponding bifenthrin concentration; the method is easy and convenient to operate, the requirement for the operation proficiency degree is low, and operation can be completed without long-time training and high operation skills; a chlorine-containing solvent is not used, so that the environmental pollution is small, the problem that a great deal of time is consumed for cleaning experimental vessels for multiple times in an oscillation extraction method is solved in the aspects of experimental preparation, vessel cleaning and the like, and the working intensity is reduced; and the concentration of bifenthrin can be rapidly, simply and accurately detected.

The invention discloses an insect and ant prevention cable and a coating device, and relates to the technical field of cables. The cable is sequentially provided with a conductive wire core, an insulating layer, an inner protection layer, an armor layer and an outer protection layer from the inner layer to the outer layer. The surface of the outer protective layer is coated with the following components: 3-4 parts of silicon dioxide; 1-2 parts of a silane coupling agent; 3-6 parts of snail body fluid secretions; 10 to 23 parts of ethanol; 1-2 parts of denatonium benzoate with the concentration of 0.5%; 1 to 2 parts of hydroxypropyl methyl cellulose; 3 to 5 parts of a bifenthrin diluent; 1-3 parts of crosslinked starch; and 5-7 parts of a nano cellulose composite film. Through manual irrigation or rainstorm weather, water is in contact with the protective film and the second layer of medicine film and is decomposed, components in the protective film belong to degradable substances, so that pollution to soil is avoided, bifenthrin diluent in the second layer of medicine film volatilizes when meeting water, an insect repelling belt is formed around the soil wrapping the cable, and the cable is protected from being damaged. Therefore, the cable is prevented from being bitten by insects and ants.

This invention relates to the field of organic synthesis and discloses a method for preparing bifenthrin. The method includes: contacting kungfu acid and 2-methyl-3-phenylbenzyl alcohol in the presence of a catalyst composition to carry out an esterification reaction; wherein the catalyst composition includes component A and component B; wherein component A is selected from oxyacid esters of group IVB elements and / or compounds formed by group IVB elements and alcohols; wherein component B is selected from at least one of inorganic salts of copper, oxides of copper, oxides of tin, and inorganic salts of tin. The bifenthrin prepared by this method has a high yield (>98%), high purity (up to 99.4%), and produces fewer bifenthrin isomers (<0.5%), meeting market requirements. The entire process is highly efficient and environmentally friendly.

The invention relates to an insecticidal composition, which contains a compound as shown in formula (I), which is used as a first active ingredient, and one or more of chlorfenapyr, spirodiclofen, bifenthrin and flufenoxuron, which is used as a second active ingredient, and the weight ratio of the first active ingredient to the second active ingredient is (50: 1)-(1: 50). The insecticidal composition disclosed by the invention particularly has an excellent control effect on tetranychid mites. .

The present application relates to a kind of bifenthrin secreting monoclonal antibody hybridoma cell strain and its application, belong to immune detection technical field.The present application is prepared by screening and obtains a kind of bifenthrin secreting monoclonal antibody hybridoma cell strain, the monoclonal antibody of hybridoma cell strain of the present application has good sensitivity and specificity to bifenthrin, specifically, the IC 50 Value of the monoclonal antibody of the present application to bifenthrin is 1.84 ng / mL, and the cross reactivity of bifenthrin analog (imidacloprid, buprofezin, pymetrozine, chlorbenzuron, diflubenzuron, metalaxyl) is less than 10%, so low concentration bifenthrin can be accurately detected.

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.

The invention relates to a diamidine phenylurea dipropionate sustained-release emulsion for livestock and a preparation method thereof. Every 100g of the emulsion comprises the following components by weight: 0.1 to 4.0 g of diamidine phenylurea dipropionate, 6.0 to 10.0 g of olive oil, 4.0 to 8.0 g of span-80, 0.1 to 2.0 g of propylene glycol monostearate, 20.0 to 40.0 g of polyoxyethylene (60) castor oil, 0.1 to 0.3 g of sclerotium glucan, 0.01 to 0.1 g of glycerol, 0.01 to 0.2 g of trisodium phosphate and the balance of water. Meanwhile, the invention further discloses a preparation method, the process is easy to operate, production can be achieved through conventional equipment, and low-cost conversion and market popularization are facilitated. The sustained-release emulsion disclosed by the invention is in a water-in-oil-in-water (W / O / W) multiple emulsion form, and is good in needle passing property in clinical use, easy to absorb by tissues, small in local irritation and safe in clinical use. The emulsion has slow-release and long-acting characteristics, can reduce administration times, save manpower and material resource costs, and avoid strong animal stress response, and has good popularization and application values.

The invention relates to a sanitary insecticide, in particular to a retention spraying insecticidal composition and application thereof. The composition comprises a component A and a component B in a weight ratio of (5: 1)-(1: 5), the component A is 4-trifluoromethyl nicotinamide, and the component B is any one of meperfluthrin, cis-cypermethrin, beta-cypermethrin, beta-cyhalothrin, beta-cyhalothrin and bifenthrin. The composition disclosed by the invention is compounded and processed into wettable powder, water dispersible granules or a suspending agent according to a scientific ratio, does not use an organic solvent, is more environment-friendly, and has an excellent lethal effect on public health pests. The compound insecticide is applied in a retention spraying mode, has a remarkable synergistic effect on prevention and treatment of public health pests, can reduce the application amount of the insecticide, saves the cost, delays the generation of pest resistance to drugs, and is widely applied to hotels, schools, factories, families, farmers, farms and public places.

The present invention relates to synergistic and stable pesticidal compositions for controlling pests harmful to crop plants. More specifically, the compositions of the invention comprise at least one active compound selected from pyrethroid compounds, at least one neonicotinoid compound, an emulsifying system, a co-solvent and a solvent. In addition, the invention also provides a method for preparing the synergistic insecticidal composition.

The invention discloses a method for weeding a wheat field and preventing diseases and insects at the same time, and relates to the technical field of wheat planting. The herbicide disclosed by the invention is prepared from one or more of 2-methylcarfentrazone-ethyl, florasulam, tribenuron-methyl, clodinafop-propargyl, mesosulfuron-methyl and pinoxaden; the bactericide is prepared from one or more of tebuconazole, pyraclostrobin, prothioconazole and prochloraz; the bactericide is prepared from one or more of tebuconazole, pyraclostrobin, prothioconazole and prochloraz; and the insecticide is prepared from one or more of thiamethoxam-high chlorine fluorine, abamectin, bifenthrin and abamectin-imidacloprid. Wheat field weeding, disease prevention and insect prevention are organically combined, a set of complete and new wheat field management integration technology is formed, all the used pesticides are efficient and low-toxicity components, the pesticide effects are novel and complementary, the proportion is reasonable, the cost is saved, the effect is improved, multiple prevention is truly achieved through one-time spraying, weeds, diseases, insect pests and the like in the wheat field can be effectively prevented and controlled at a time, and the wheat field management efficiency is improved. Therefore, wheat yield and quality are improved, harm of pesticides to human health is reduced, and environmental pollution is reduced.

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