19 results about "Flupyradifurone" patented technology

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 present application belongs to the technical field of agricultural compositions, and relates to an agricultural composition for preventing and treating populus euphratica wood lice. The present application provides an agricultural composition for preventing and treating populus euphratica wood lice, wherein the effective components are composed of fluopyram and echinacoside, and the mass ratio of fluopyram to echinacoside is 1:1-37.5. It is found through insecticidal effect verification that echinacoside has a synergistic effect on the chemical insecticidal component fluopyram, and the combination of the two can effectively reduce the effective component dosage of chemical pesticides, fully exert the efficacy of fluopyram, as much as possible reduce the probability of populus euphratica wood lice developing drug resistance, reduce environmental pollution, and improve the effect of fluopyram.

The invention relates to the technical field of pesticides and herbicides, and discloses a preparation method of halauxifen-methyl as shown in a formula (I). The preparation process of the halauxifen-methyl and the key intermediate of the halauxifen-methyl provided based on the new intermediate compound has the obvious advantages of mild reaction conditions, low cost of raw materials and reagents, less impurity generation, high reaction yield, high product content and the like.

The invention relates to a method for determining halauxifen-methyl, prothioconazole and metabolite residues of halauxifen-methyl, prothioconazole and metabolite residues of halauxifen-methyl, prothioconazole and metabolite residues of halauxifen-methyl, prothioconazole and metabolite residues of halauxifen-methyl, prothioconazole and metabolite residues of halauxifen-methyl, prothioconazole and metabolite residues of halauxifen-methyl in food. The method is simple, convenient and rapid to operate, good in precision and recovery rate, and suitable for confirmed quantitative determination of halauxifen-methyl, prothioconazole and metabolite thereof in food.

The invention discloses a composite herbicide containing halauxifen-methyl and pyraclonil and a preparation method thereof, and belongs to the technical field of herbicides. The preparation method of the composite herbicide comprises the steps of preparation of an oil phase, formation of a microemulsion, preparation of an organic phase loading unit, construction of a core-shell structure and post-treatment, the core of the obtained composite herbicide adopts a microemulsion micelle containing halauxifen-methyl, and the outer layer is a quaternized cyclodextrin shell layer loaded with pyraclonil and a synergist. The composition of the active components of the two herbicidal drugs can significantly improve the weed control effect, realizes rapid contact killing and eradication of weeds, and expands the types of weeds to be controlled. The core-shell structure can control the release speed of the halauxifen-methyl, so that the lasting period is ensured, the phytotoxicity risk of a concentration peak value is avoided, the weed killing speed of the compound herbicide is increased, the safety of the herbicide is greatly improved, and the compound herbicide with high prevention and removal efficiency and high safety is obtained.

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 discloses a method for detecting the residual quantity of halauxifen-methyl metabolites in cereals, and relates to the field of trace detection.The method comprises the following steps that S1, target metabolites in a cereal sample are extracted with an acidified organic solvent, and a sample extracting solution is obtained; s2, taking supernate of the sample extracting solution, mixing the supernate with a compound purifying agent, and oscillating to obtain purified supernate; s3, enriching the purified liquid supernatant to obtain an enriched liquid to be detected; s4, reacting the to-be-detected liquid with a diazotization reagent, and then reacting with a coupling agent to generate an azo dye; and S5, determining the absorbance value of the azo dye by using a visible spectrophotometric method, and calculating the residual quantity of the halauxifen-methyl metabolite in the grains according to the standard curve. Aiming at high-humidity grains in rainy seasons, high-sensitivity and high-accuracy detection of trace residues can be realized under the condition that expensive chromatography-mass spectrometry equipment is not needed, so that an economic and reliable rapid screening means is provided for a basic level.

The invention relates to a sanitary insecticide, in particular to a bug insecticidal composition containing afluthrin and application of the bug insecticidal composition. The composition comprises an active component A and an active component B in a weight ratio of (1: 20)-(20: 1), wherein the active ingredient A is afluthrin; and the active ingredient B is dinotefuran, acetamiprid, imidacloprid, thiacloprid, thiamethoxam, flupyradifurone or sulfoxaflor. The composition provided by the invention not only solves the problem of resistance of bed bugs to pyrethroid, but also improves the pesticide effect and pesticide effect stability of the composition through the synergistic interaction among the active components, and has the characteristics of high efficiency, low toxicity, environmental friendliness and the like. The binary composition is suitable for preventing and treating bugs in indoor activity places such as families, carriages, hotels, factory dormitories and the like.

The present application belongs to the technical field of millet nematode control, and particularly relates to a millet nematode control method based on millet seeding, comprising the following steps: S1, putting millet seeds into a nematocide; S2, then taking out the seeds and carrying out seed soaking; S3, putting the seed-soaked seeds into a gel-like coating agent and stirring uniformly, and then scattering the seeds together with the coating agent into a seeding ditch; wherein the nematocide comprises flupyradifurone with a concentration of 0.15-0.3%, 1% millet wood ash and 3% brassinolide. The present application carries out seed soaking on millet seeds by using the nematocide formed by compounding flupyradifurone, millet wood ash and brassinolide, and the nematode control rate is as high as 90% or more.

The application provides a method for applying two pesticides in a rice-fish integrated breeding mode, carries out evaluation on death toxicity of flutriafol and flusilazole combined exposure to zebra fish, and through research on an application interval, it is proposed that an interval should exist between the application of the two pesticides, the application dose of flutriafol is 5.1-8.5 g (effective component) / mu, the application dose of flusilazole is 4-5 g (effective component) / mu, and the interval is more than 2 days. Preferably, when flusilazole is applied after flutriafol, the interval is 6 days; when flutriafol is applied after flusilazole, the interval is 4 days. The application suggests that the flutriafol and flusilazole mixture should be used carefully in agricultural production, and the interval must be strictly implemented when applied, so as to reduce the adverse effects on the ecological environment, and provide an important scientific basis for monitoring and early warning of farmland environmental pollution and remediation.

The invention discloses a sanitary insecticide composition and application thereof. The active ingredients are compounded by component A and component B. By weight, the total weight of component A and component B accounts for 2% to 60% of the total weight of the insecticide composition, and the balance is auxiliary materials. Component A is a piperic acid derivative compound; component B is any one of imidacloprid, acetamiprid, thiacloprid, thiamethoxam, dinotefuran, flupyradone, and sulfoxaflor. The compounded insecticide composition of the invention has a synergistic effect at a certain ratio, and has improved knockdown and lethal effects on flies compared with a single agent.

The invention relates to a ternary solid non-metal co-doped diatomic nano-enzyme-based fluoropyrazole furanone electrochemical sensor and a preparation method thereof, and the preparation method comprises the following steps: preparing a ternary solid non-metal doped diatomic nano-enzyme with a hierarchical porous hollow structure and multiple atomic active sites by a confinement pyrolysis method; forming a nano enzyme-hapten probe by the nano enzyme and a hapten through directional covalent coupling; based on a competitive immune recognition mechanism, a target object is preferentially combined with an electrode immobilized antibody, probe enrichment is hindered, and then catalytic reduction current of the nano-enzyme to a substrate is influenced. The preparation method has the technical advantages that (1) diatomic active sites and ternary doping cooperate to enhance sensitivity; (2) a competitive signal attenuation mode effectively inhibits background interference; and (3) nano-enzyme catalytic amplification and electrochemical detection are integrated, and rapid and sensitive detection of flupyradifurone in agricultural products is realized. Compared with traditional methods such as chromatography, the method has the advantages of simplicity and convenience in operation, high sensitivity, good accuracy and the like.

The invention relates to a weeding composition. The active ingredients of the weeding composition comprise cyclohexenone herbicides, halauxifen-methyl and metamifop. Wherein the cyclohexenone herbicide is selected from profoxydim or benzopyridone. In the weeding composition provided by the invention, the weight ratio of the three active ingredients is (0.5-2.5): (0.5-2.5): (12-24). The weeding composition provided by the invention can further comprise an agriculturally acceptable auxiliary agent and a carrier, and can be prepared into agriculturally acceptable dosage forms. The invention also relates to application and a method of the weeding composition for preventing and treating agricultural weeds.

The application belongs to the technical field of pesticide insecticide, and discloses a kind of fluorine pyrrole ketone-containing insecticide composition and application thereof, active ingredient of the insecticide composition includes active ingredient A and active ingredient B, active ingredient A is fluorine pyrrole ketone, active ingredient B is any one of benzpyrimoxan, flometoquin, indazapyroxamet, and the mass ratio of active ingredient A to active ingredient B is 1:50~50:1.The insecticide composition has excellent control effect on hemipterous pests, has remarkable synergistic effect, effectively reduces the use amount of pesticide, and slows down the environmental pressure.

The invention discloses a synthesis method of a pesticide flupyradifurone, which comprises the following steps: stirring a solvent, N-((6-chloropyridine-3-yl) methyl)-2, 2-difluoroethylamine, 2 (5H)-furanone and a catalyst at room temperature, stirring at the temperature of 40-50 DEG C until the reaction is complete to obtain a reaction system, and post-treating the reaction system to obtain the flupyradifurone. According to the synthesis method of the pesticide flupyradifurone, the source of the raw material 2 (5H)-furanone is easy to obtain, the flupyradifurone can be stably and efficiently synthesized through the reaction, unstable intermediates in the prior art are avoided, and the yield is good.

This invention discloses an insecticidal composition of flonicamid and spirotetramat, the raw materials of which include at least flonicamid and spirotetramat, wherein the weight ratio of flonicamid to spirotetramat is 2:(1-5). This invention utilizes the synergistic effect of octadecanol polyoxyethylene ether and secondary fatty alcohol polyoxyethylene ether EO / PO block copolymer, which can increase the compatibility of the active ingredients during use and exhibit excellent penetration after application to the surface of plant leaves, resulting in better efficacy against eggplant thrips. Furthermore, the use of polycarboxylate as a dispersant and magnesium aluminum silicate and xanthan gum as thickeners can increase the suspension rate of the flonicamid·spirotetramat suspension and improve the storage stability of the pesticide.