89 results about "Organophosphorus insecticide" patented technology

The invention relates to a pesticide production and preparation technology, in particular to a sugarcane insecticide. The invention provides a sugarcane insecticide containing a neonicotinoid insecticide, which is prepared into granules or water dispersible granules by mixing the following components in percentage by weight: 0.1-10% of neonicotinoid insecticide, 0.2-15% of organophosphorus insecticide and the balance of assistants, wherein the neonicotinoid insecticide is one of or mixture of any two of thiamethoxam, imidacloprid and thiacloprid; and the organophosphorus insecticide is one or mixture of phoxim and diazinon. When the sugarcane insecticide of the invention is used for preventing and treating sugarcane pests, the sugarcane insecticide has contact poisoning and stomach poisoning functions, has a good systemic conduction function and has a good function of controlling underground and aboveground pests of sugarcane; the sugarcane insecticide which has broad-spectrum insecticidal effects has good effects on preventing and treating sugarcane borers, underground insects, thrips, woolly aphids and the like; the sugarcane insecticide which has a long lasting period can be applied once to effectively eliminate the harm of sugarcane borers in the seedling stage, underground insects, thrips and the like; and the sugarcane insecticide has smaller lethality to natural enemies. The sugarcane insecticide of the invention is used as an important substitute for highly toxic pesticides, has the advantages of low toxicity, high efficiency, safety to people and livestock and is environmental friendly.

The invention relates to a synergistic pesticide composition and use thereof. The synergistic pesticide composition is characterized in that active ingredients of the synergistic pesticide composition comprise tolfenpyrad and an organophosphorus insecticide. The organophosphorus insecticide comprises: chlorphrifos, profenofos, phoxim, diazinon and pyridaphethione or acephate. The pesticide composition of the invention has remarkable prevention and control effects on various pests on various crops such as rice, vegetable, fruit tree, cotton and the like. Compared with single dosage, the composition has the advantages of low dosage, improved effect, quick acting performance, extended release as well as contribution to delay of the generation and development of the medicament resistance in pest.

The invention discloses a pesticide composition containing fluensulfone and organophosphorus insecticide. The composition comprises a first effective ingredient fluensulfone, a second effective ingredient organophosphorus insecticide and common pesticide auxiliaries, wherein the organophosphorus insecticide is one of chlorpyrifos, phoxim and diazinon; and the weight ratio of fluensulfone to organophosphorus insecticide is (40:1)-(1:40) Massive indoor and outdoor tests indicate that the pesticide composition has a remarkable synergetic effect, and has a preventing and controlling effect on underground pests and nematodes on crops remarkably superior to those of independent application of single agent, so that the pesticide usage is reduced, residues of pesticide on crops are reduced, environmental pollution is reduced, and generation of drug resistance of pests and insects is retarded.

The invention relates to an ultra-low volume liquid containing cyantraniliprole and insect growth regulator insecticides. The liquid is compounded by cyantraniliprole and an active ingredient II into an active ingredient, and other components are surfactants and solvents; and the active ingredient II is any one of chlorfluazuron, teflubenzuron, triflumuron, flufenoxuron, hexaflumuron, flucycloxuron, penfluron, ehlorfluarizonauron, chlorbenzuron, diflubenzuron, diafenthiuron, food suppressing hydrazine, buprofezin, fenoxycarb or tebufenozide. The ultra-low volume liquid has the advantages of convenience in processing, long duration, high work efficiency, low possibility of generatingresistance to pesticides by a target, low environmental contamination, economy of drug and water, and improvement in pesticide utilization rate; and through ultra-low volume spraying, low volume spraying or ultra-low volume static spraying, a variety of pests of rice, wheat, corn, vegetables, tobacco, tea trees, fruit trees and sugarcanes can be prevented and treated.

The invention provides a phosphotriesterase mutant as well as a preparation method and application of the phosphotriesterase mutant. According to the invention, a mutant with phosphotriesterase activity markedly improved is finally obtained by starting from a phosphotriesterase gene which is from Geobacillus kaustophilus HTA426 of thermophilic bacteria and then carrying out rounds of mutation and screening through an error-prone PCR (Polymerase Chain Reaction) method; and the mutations involved in amino acid sequence of the mutant are Phe28Ile, Tyr99Leu, Thr171Ser, Phe228Leu, Asn269Ser, Val270Gly, Trp271Cys and Gly273Asp. Compared with common organic phosphorous insecticides, the wild type specific activity of the mutant is markedly improved and the mutant has wide application prospect in the field of biodegradation of organic phosphorous poisions.

The invention belongs to the technical field of microbe, and in particular relates to a fungus bactericide for degrading organophosphorus insecticide with broad spectrum. The preparation method of the fungus bactericide comprises the following steps of: respectively vaccinating aspergillus niger J4 and aspergillus niger J6 to an inclined surface of a physical design agent (PDA) to form inclined-surface strains; cultivating till that spore is mature by a PDA culture medium, and respectively adding the matured spore into a glucose basic salt culture medium; cultivating till that the spore is sprouted to form spore seed liquid; and mixing two seed liquids according to the volume ratio of (0.1-3): 1. The preservation number of the vaccinating aspergillus niger J4 in the china general microbiological culture collection center is China general microbiological culture collection (CGMCC) NO. 4219, and the preservation number of the vaccinating aspergillus niger J6 in the china general microbiological culture collection center is CGMCC NO. 4220. The fungus bactericide can be used for effectively degrading organophosphorus insecticide such as thiophosphates (P=S) and phosphates (P=O), and is abundant in degrading enzyme system, wide in application range, high in degrading ratio, and short in degrading time.

A synergistic composite insecticide for preventing and treating beet noctuid and rice borer contains flufenoxuron, organophosphorus insecticides, assistant and excipient.

The invention relates to a cockroach killer for a railway station car. The cockroach killer comprises the following ingredients in percentages by weight: 0.5-2% of medicine, 30% of attractant, 15-30% of carrier, 20-30% of preservative and humectant and 15-30% of water, wherein the medicine is an organophosphorus insecticide, a carbamate insecticide and / or a pyrethroid insecticide. The cockroach killer provided by the invention is mainly targeted at the medicine resistance and palatability of the cockroach in the railway station car, and has the characteristics of accessible raw materials and simple and convenient preparation method. Practical application proves that the cockroach killer is quite high in killing rate for the cockroach on the site of the railway station car; the main ingredients of the cockroach killer can be regulated and selected according to the medicine resistance of the cockroach in the railway station car; and the addition amount of the humectant can be regulated according to the humidity of the location of the railway station car.

The invention relates to a pesticide combination, which is characterized by comprising the active ingredients including pyridalyl (A) and an organophosphorus insecticide (B) which can be chlorpyrifos, phoxim, profenofos, triazophos, diazinon, pyridaphenthione, malathion or acephate. The pesticide combination of the invention has good control effects on the common pests on such field crops as paddy rice, wheat, corns, cotton, hemp, soybean and the like, and especially has better control effect on lepidopterous pests.

The invention relates to a pesticide-fertilizer composition. The pesticide-fertilizer composition includes the following components in percentage by weight: 70 to 95 percent of fertilizer components, 1 to 20 percent of pesticide components, and 1 to 10 percent of additives, wherein fertilizers include one or more kinds of the followings: organic fertilizers, inorganic fertilizers, compound fertilizers, organic-inorganic compound fertilizers, and microelement fertilizers; pesticides include neonicotinoid insecticides and / or organophosphorus insecticides; the additives include one or more kinds of the followings: solvents, surfactants, and binders.

The invention discloses a synergistic pesticide compound containing mepiquat chloride and organophosphorus pesticide; the active components of the compound comprise mepiquat chloride and organophosphorus pesticide; and the organophosphorus pesticide is chlorpyrifos, phoxim, triazophos or profenofos, wherein the weight ratio of the mepiquat chloride to the organophosphorus pesticide is 1:60 to 10:1. The compound can be applied in preventing lepidoptera or homopteran pests, particularly applied in preventing rice stem borer or plant hopper, and the effect thereof is significantly higher than that of the single dose. Compared with the prior art, the compound can produce higher synergistic effect, overcomes and delays pest medicine resistance, expands the prevention spectrum, has high insecticidal speed, reduces the medication cost and reduces the toxicity.

The invention discloses an insecticidal composition with a synergy effect. Active ingredients of the composition has two active substances of A and B, wherein A is tefluthrin; and B is one of organophosphorus insecticides such as chlorpyrifos, phoxim and diazinon. The mass ratio of A to B is 80:1-1:80. The compound of A and B has the obvious synergy effect, can reduce component usage and reduce application times of the insecticide. The composition of the invention can be used for preventing and controlling various soil insects in agriculture, and is particularly suitable for preventing and controlling wire worms, larva of cockchafers and black cutworms.

The present invention provides a topical gel pharmaceutical formulation of insecticide suitable for treating an ectoparasite in a mammal, comprising: a) about 0.1-10% by weight of an insecticide; b) at least about 75% by weight of an organic solvent selected from the group consisting of a lower alkyl alcohol, a ketone, a glycol and a mixture thereof, wherein the organic solvent contains at least about 40% by weight of the lower alkyl alcohol; and c) at least one polymer selected from the group consisting of a cellulosic polymer, acrylates, methacrylates, and polyvinyl pyrrolidone. The present gel pharmaceutical formulation preferably contains malathion and optionally contains isopropyl myristate. The present invention further provides a process of preparing as well as a method of treating ectoparasites in a mammal using the same.

The invention relates to a method for preparing an organophosphorus insecticide nano silica gel surface molecular imprinted polymer. The method comprises the following steps of: preparing nano SiO2 microspheres; performing three different kinds of surface graft modification on the produced SiO2 microspheres; preparing pre-assembled solution; ultrasonically dispersing one of the modified SiO2 microspheres in a polymer solvent; adding a crosslinking agent, an initiator and the pre-assembled solution; performing centrifugation to remove supernatant after a reaction is finished; removing template molecules from the precipitate by using the mixed solution of methanol / acetic acid; putting the polymer microspheres with the template molecules removed in a vacuum drying box; and drying the polymer microspheres at the temperature of 60 DEG C to constant weight to obtain the molecular imprinted polymer microspheres. The three different molecular imprinted polymers prepared by the method have specificity identification to an organophosphorus insecticide (dursban) and can perform selective separation and enrichment on the residues of the organophosphorus insecticide.

The invention relates to adsorption-degradation action of a sulfated graphene-titanium dioxide composite material which is capable of simultaneously carrying out adsorption and photocatalytic degradation on pesticide residue in water to five amide herbicides (alachlor, acetochlor, pretilachlor, metolachlor and butachlor) and seven organophosphorus insecticides (phorate, ethoprophos, pirimiphos-methyl, chlorpyrifos, malathion, fenthion, and methidathion) in water. The sulfated graphene-titanium dioxide composite material has the advantages that the sulfated graphene-titanium dioxide composite material has better adsorption effect on the amide herbicides and the organophosphorus insecticides, and meanwhile, has good photocatalytic degradation effect under the simulative sunlight; compared with the graphene-titanium dioxide composite material, the sulfated graphene-titanium dioxide composite material has better photocatalytic degradation effect on the amide herbicides and the organophosphorus insecticides.

The invention relates to a synergistic pesticide composition. The active ingredients of the composition are cyflumetofen and an organophosphorus insecticide, wherein the weight ratio of the cyflumetofen to the organophosphorus insecticide is 20:1-1:50, and the two active ingredients are prepared into various forms including missible oil, microemulsions, EW (emulsions in water), suspending agents, microcapsule suspending agents and suspoemulsions. The composition is used for preventing and controlling pest mites of crops, and especially can be used for preventing and controlling panonychus citri mcgregor and tetranychus urticae koch; and the composition has a synergistic effect, is quick-acting and long-acting, and can reduce consumption of pesticide, save manpower, and contribute to delaying the development of insect resistance.

The invention relates to a nanosilica-grafted organic functional polymer organic phosphorous insecticide sustained-release agent and a preparation method thereof. An insecticide is defined to be one or a mixture of one selected from a group consisting of triazophos, chlopyrifos and profenofos. The preparation method comprises the following steps: preparing hollow nanosilica A; then preparing amino-modified hollow nanosilica B from the hollow nanosilica A and an aminosilane coupling agent; then reacting the amino-modified hollow nanosilica B, water, an unsaturated monomer compound, an initiator, a catalyst and a surfactant to a reaction so as to prepare C; and preparing the nanometer insecticide sustained-release agent from C and an insecticide. The preparation method is low in cost, mild in reaction condition, low in energy consumption and free of emission of waste gas, waste water and industrial residues; and the obtained sustained-release agent has a high loading rate, good environmental compatibility and a long action period, overcomes the problem of burst release of pesticides in certain carriers, reduces pesticide application frequency and increases the utilization rate of pesticides.

The invention provides a compound based on an N-phenyl pyrazolecarboxamide derivative structure and used for preventing the Chinese tussah silk-worm disease caused by tachina flies and a use method of the compound. The N-phenyl pyrazolecarboxamide derivative compound has the characteristic of selective insect killing, that is, tussah is relatively safe, and killing activity of the compound is high to tachina fly larvae in parasite silkworms. The compound can take the place of existing organophosphorus insecticides for preventing the Chinese tussah silk-worm disease caused by tachina flies.

The invention provides a microbial inoculum for degrading an organophosphorus insecticide as well as a preparation method and application of the microbial inoculum. The microbial inoculum is preparedby taking an embedding cross-linking product of sodium alginate, chitosan, diatomite and polyvinyl alcohol as a carrier and mixing the embedding cross-linking product with Taiwan cuprophilic bacteriaX1. Materials used for preparing the microbial inoculum are environmentally friendly and high in biocompatibility, and the degradation activity of the bacterial strain X1 on the organophosphorus insecticide can be effectively reserved. The strain is immobilized in the composite material, so that the endurance capacity of the strain to a complex environment is improved, and the toxic action of pollutants in the complex environment on the strain is reduced. The microbial inoculum can efficiently degrade different types of organophosphorus insecticides and can be widely applied to bioremediationof the organophosphorus insecticides in the environment.

This invention discloses an organophosphorus insecticide molecular engram polymer and its process and application, wherein the process comprises the following steps: a, mixing one or more kinds of polymerization reaction monomers, cross agents, hole making agent, initiating agent and organophosphorus insecticide and then doing thermal initiating polymerization reaction or optical initiating polymerization reaction to get the polymer with organophosphorus; b, washing the polymer to get the molecular engram polymer without organophosphorus insecticide.

The invention relates to a fused ring compound that is an imidazo-triazine compound, which comprises methylene with heteroatomic ring, nitro imine imidazole and amino acid or ester. The compound has insecticidal activity, and is possible to become the novel insecticide instead of organophosphorus insecticide with rank poison.

The invention relates to a combination containing urea fluoride and organophosphorus insecticide, particularly to a highly active low toxicity compound pesticide combination containing urea fluoride and chlorpyrifos, comprising elementary compositions of urea fluoride 0.1%-20% and chlorpyrifos 5%-50% and the balance additive and solvent. The compound pesticide has the advantages of stronger synergism, reduced using cost, reduced toxicity, enlarged insecticidal spectrum, quickened extermination speed on pests, thereby overcoming and delaying generation of drug resistance. The combination can be used for preventing lepidoptera pesticides on crops, fruit trees and vegetables, particularly for preventing ricestem borer, budworm of the fruit trees and cotton bollworm and the like, the effect excels evidently than single pesticides.

The invention relates to a double crossing pesticide agent which is prepared by parathion avermectin as the active ingredient and appropriate catalysator and solvent, it is mainly used for the control of rice stem borers, particularly play a excellent control effect to the antagonism bivoltine borer, it can replace the prior nereistoxin insecticide monosultap (double)and the organic phosphorus insecticide phentriazophos which insecticidal effect reduces because of insecticide resistance, it also can be used with phentriazophos, double crossing agent, fluorine insert nitrile alternatively to delaying the development of resistance. So it is the ideal double crossing pesticide agent for control the antagonism bivoltine borer.

The invention provides an insecticidal composition comprising an active compound I and an active compound II. The active compound I is chlorofluorocarbon cyantraniliprole, and the active compound II is any one selected from organophosphorus insecticides such as triazophos, fenitrothion, profenofos and pyridaphenthion, wherein a weight ratio of the active compound I to the active compound II is (100:1) to (1:100). According to the invention, the active compound I and the active compound II are subjected to binary compounding, such that the composition has a synergistic effect in controlling pests. Also, doses of the two active components are reduced. With the composition, fast effect and persistent effect are combined; resistance generation is retarded; and controlling spectrum is expanded.

The invention relates to a nanosilica-grafted organic functional polymer organic phosphorous insecticide sustained-release agent and a preparation method thereof. An insecticide is defined to be one or a mixture of one selected from a group consisting of triazophos, chlopyrifos and profenofos. The preparation method comprises the following steps: preparing hollow nanosilica A; then preparing amino-modified hollow nanosilica B from the hollow nanosilica A and an aminosilane coupling agent; then reacting the amino-modified hollow nanosilica B, water, an unsaturated monomer compound, an initiator, a catalyst and a surfactant to a reaction so as to prepare C; and preparing the nanometer insecticide sustained-release agent from C and an insecticide. The preparation method is low in cost, mild in reaction condition, low in energy consumption and free of emission of waste gas, waste water and industrial residues; and the obtained sustained-release agent has a high loading rate, good environmental compatibility and a long action period, overcomes the problem of burst release of pesticides in certain carriers, reduces pesticide application frequency and increases the utilization rate of pesticides.

The invention discloses a synergic composition of cantharidin and organic phosphorous insecticide, which comprises (by weight ratio) the following raw materials, cantharidin 0.1-10.0%, organic phosphor insecticide 1-40.0%, and balancing pesticide adjuvant, the organic phosphor insecticide is one selected from chlorpyrifos, quintiofos, triazophos, phoxim, profenofos, acephate, and fenitrothion.

The invention discloses an ultra-low volume liquid containing silafluofen and an organophosphorus insecticide, belonging to the field of pesticides. The ultra-low volume liquid comprises the silafluofen and an active constituent (II), which are compounded into an active constituent, and the balance of a surfactant and a solvent; and the active constituent (II) is selected from any one of fenitrothion phosphorus, quinalphos, triazophos, diazinon, phoxim, fenitrothion, profenofos, chlorpyrifos, malathion, and isocarbophos. The ultra-low volume liquid disclosed by the invention is convenient to process, low in cost, good in pesticide effect, long in lasting period, high in coordinated synergism and capable of saving water, and can be used to reduce environment pollution, improve the utilization ratio and application amount of the pesticide.

The invention belongs to the technical field of pesticide, and discloses a compound composition containing an organophosphorus insecticide and a chitin synthesized inhibitor and application of the compound composition. The compound composition is composed of the organophosphorus insecticide and the chitin synthesized inhibitor, and the mass ratio of the organophosphorus insecticide to the chitin synthesized inhibitor is 1:50 to 50:1. The organophosphorus insecticide is selected from one of phoxim, chlorpyrifos, dipterex, isofenphos-methyl and triazophos, the chitin synthesized inhibitor is selected from one of diflubenzuron, chlorbenzuron, chlorfluazuron, hexaflumuron, flufenoxuron, diafenthiuron and buprofezin. The organophosphorus insecticide and the chitin synthesized inhibitor are compounded; compared with a single-dosage organophosphorus insecticide, the prevention effect of preventing soil insects is improved; compared with the independently adopted organophosphorus insecticide,if the compound composite is reduced by 20%, a good prevention effect can still be achieved.

The invention relates to a screening method of degrading bacteria strains by taking DDVP as a substrate, which belongs to the technical field of pesticide residue after biodegradation. The method comprises the following steps: the bacteria strain samples are inoculated in an enrichment medium containing 100-150 ml of DDVP for switchover culture, then the domesticated liquid cultured in the step 1 is taken and diluted for 10-10, then the diluent is coated on a beef extract-peptone solid flat plate, and then the bacteria strains are placed upside down at the constant temperature of 30-35 DEG C and cultured for 3-4 days; and the bacteria strains growing in the step 2 are streaked on a selective inorganic salt culture medium solid flat plate containing the DDVP as a sole carbon source and then cultivated for 4-5 days at the temperature of 30-35 DEG C and the growing bacteria strains are the degrading bacteria strains taking the DDVP as the sole carbon source. The provided screening method of the degrading bacteria strains by taking DDVP as the substrate can be used for screening the degrading bacteria strains for other organophosphorus insecticides and provides a certain theoretical guidance on the screening aspect of the pesticide residue degrading bacteria strains.