119 results about "Diflubenzuron" patented technology

The invention relates to the field of pesticides, in particular to ultralow volume liquid containing benzoylurea insecticide, which comprises active ingredients, solvent and adjuvant. The active ingredient I is optional one of lufenuron, diflubenzuron, triflumuron, chlorfluazuron and chlorbenzuron belonging to benzoylurea, and the active ingredient II is insecticide of another type of function mechanism. The ultralow volume liquid containing benzoylurea insecticide has the advantages of simplicity in processing, high efficiency, water saving, long-term effect, a target being not easy to resist the insecticide, low environmental pollution, synergy and the like. Application of ultralow volume spray, low volume spray or ultralow volume static spray is well effective in controlling ostrinia furnacalis, sugarcane borer, locust, peach fruit borer, lesser green leaf hopper, striped flea beetle, bean fly, diamond back moth, prodenia litura, cabbage caterpillar, leaf beetle, thrip, leaf miner, inchworm, red spider and the like, and the ultralow volume liquid containing benzoylurea insecticide can be used for effectively controlling various pests on wheat, maize, vegetables, tobacco plants, tea plants, fruit trees, cotton plants, woods and sugarcanes.

The present invention discloses water suspended nano pesticide capsule preparation prepared via emulsion polymerization process. It has capsule shell of styrene, isocyanate, acrylate and methacrylate copolymer, and core comprising ididacloprid, high effect cypermethrin or diflubenzuron as effective component; contains pesticide 0.2-5 wt%, capsule shell 5-30 wt%, additive 10-35 wt% and water in proper proportion. The nano capsule is disersive spherical particle of size smaller than 100 nm. Compared with traditional pesticide preparation forms, the present invention has the features of water based solvent, nano level dispersive effective component, high stability, etc. and may be used in killing various pests of fruit tree, vegetable, flower, cotton, tobacco, etc.

Disclosed is an oil soluble pesticide nm capsule and preparation method, having weight ration of: pesticide: 0.5-4%; high molecular compound: 8-25%; mixed-surfactant: 8-20%; cosurfactant 3-10%; crosslinking agent 0.5-1.0%; organic solvent 3-10%; water: added to 100%, wherein the high molecular compound is selected from sodium lignosulfonates, chitosan, gum arabic or glutin, one or two is/are selected for agglutination reaction, forming capsule skin of the nm capsule; the capsule core is pesticide bulk drug, selected from diflubenzuron, emamectin benzoate, abamectin, imidacloprid, ivermectin or highly active cypermethrin. The mixed-surfactant adopts nonionic surfactant and anionic surfactant for compound. The pesticide nm controlled release preparation prepared by the invention is easy in storage, high in stability, large in drug-loading rate and high in dispersion.

The invention discloses a method for measuring residues of seven pesticides in wool fat by liquid chromatography-tandem mass spectrometry, and belongs to a chemical detection method. A liquid-liquid extraction frozen degreasing method is used as pretreatment; and the pesticide residues in the wool fat are detected and analyzed by the liquid chromatography-tandem mass spectrometry. According to the detection method disclosed by the invention, a wool fat sample extract solution is not required to be concentrated and can be measured in a machine only after being purified, so that the detection is quick and accurate, and the sensitivity is higher; the using amount of solvents is small, the extraction efficiency is high, grease can be completely removed, and the target retaining capacity is high; the residues of seven pesticides, such as cyromazine, dicyclanil, diflubenzuron, triflumuron, rotenone, abamectin and ivermectin can be detected at the same time; the target response signal is strong; the average recycling rates are 66.77-105.48 percent respectively; the relative standard deflection RSD is 1.38-8.09 percent; and the method has certain actual application and innovative signification.

The present invention provides an insecticidal composition comprising of at least one insecticidal compound with effective knock-down action selected from among group (A) comprising of imidacloprid, acetamiprid, thiamethoxam, thiacloprid, nitenpyram, dinotefuran, clothianidin, abamectin, emamectin, emamectin benzoate and fipronil, and at least one insecticidal compound with effective long-term action selected from among group (B) of insect growth regulators comprising of benzoylphenyl urea (BPU) compounds selected from among novaluron, lufenuron, hexaflumuron, triflumuron, diflubenzuron, chlorfluazuron, flufenoxuron, noviflumuron and teflubenzuron. Optionally, said insecticidal composition may further contain excipients and/or additives and/or surface active agents. Further provided is a method for insect control, comprising of applying at least one insecticidal compound with effective knock-down action selected from among group (A) comprising of imidacloprid, acetamiprid, thiamethoxam, thiacloprid, nitenpyram, dinotefuran, clothianidin, abamectin, emamectin, emamectin benzoate and fipronil, and at least one insecticidal compound with effective long-term action selected from among group (B) of insect growth regulators (IGR) comprising of benzoylphenyl urea (BPU) compounds; to a crop, agricultural product, plant matter, animal or locale.

The invention provides an antiviral compound preparation for fish. The compound preparation composition comprises microparticles containing macrolide anthelmintic, as well as two or more than two of bithionol, praziquantel, diflubenzuron, triflumuron, pyriproxyfen, sulfur powder, salicylanilide, organic phosphorus, benzimidazole, pyrethroid, triazine, tetramisole anthelmintic, sulfonamides, anticoccidial drugs and Chinese herbal medicine anthelmintic, wherein the microparticles containing macrolide anthelmintic are microspheres or microcapsules composed of biodegradable or non-biodegradable carrier materials and macrolide anthelmintic, and the content of the macrolide anthelmintic in the microparticles is 0.1-50%. The compound preparation provided by the invention can not only expand the insecticidal spectrum, but also effectively improve the anthelmintic activity and reduce toxicity so as to ensure safer use.

The invention relates to a pesticide for preventing and controlling cotton diseases and insect pests .The pesticide is prepared from, by weight, 15-19 parts of diflubenzuron, 4-8 parts of cosolvent, 5-9 parts of wetting dispersing agent, 2-5 parts of polyvinyl alcohol, 1-4 parts of antifreezing agent, 0.5-3 parts of thickening agent, 0.3-1 part of defoaming agent, 11-15 parts of water, 1-3 parts of radix notoginseng extract, 0.5-2 parts of thiophanate-methyl, 0.5-2 parts of isocorydine and 1-3 parts of calcium superphosphate .A preparation method of the pesticide for preventing and controlling the cotton diseases and insect pests is characterized by comprising the following steps of radix notoginseng extract preparing, weighing and mixing .The pesticide for preventing and controlling the cotton diseases and insect pests has the advantages that the preventing and controlling effect on the insect pests in a cotton field is good; the pesticide is free of side effect to cotton and high in safety; the boll number per plant, the single boll size and the single boll weight of the cotton are significantly increased; the per mu yield of the cotton is significantly increased; the breaking strength ratio of cotton fibers is significantly increased, and the length regularity index range of the cotton fibers is significantly widened; the morbidity of cotton diseases is reduced.

The invention discloses a pesticide composition containing sulfoxaflor. The pesticide composition comprises an active component A and an active component B, wherein the active component A is selected from sulfoxaflor and the active component B is selected from any of the following insecticides: chlorbenzuron, Hexaflumuron, Chlorfluazuron and diflubenzuron, and the weight percentage of A and B is 1-60%:1-60%. The composition can control damage of various pests, has notable synergetic action, widens the insecticidal spectrum and is of high activity on cotton bollworm, pink bollworm, Lithocolletis ringoniella, Phyllocnistis citrella stainton, brassicaceous vegetable plutella xylostella, cabbage caterpillar and beet armyworm. The consumption of the pesticide is reduced, the residual quantity of the pesticide on crops is decreased and environmental pollution is abated. The pesticide composition is safe to human and livestock, good in environmental compatibility and not likely to be resisted by pests.

The invention relates to a mixed pesticide preparation containing a benzoyl urea insecticide. The mixed pesticide preparation comprises the effective components, namely chlorantraniliprole and benzoyl urea, wherein the benzoyl urea insecticide can be lufenuron, hexaflumuron, flufenoxuron, chlorfluazuron, chlorbenzuron, diflubenzuron or teflubenzuron and the like; the weight percent of the benzoyl urea is 1%-20%; the weight percent of the benzoyl urea insecticide is 1%-30%; and the preparation can be prepared into missible oil, a microemulsion, an emulsion in water, water dispersible granules, wettable powder or a suspending agent. According to the insecticidal composition, relatively high synergetic effects can be generated; resistance development of a synthesis inhibitor of benzoyl urea chitin is retarded; the service life of medicines is prolonged; prevention and treatment effects on lepidoptera pests are improved; and compared with that of the benzoyl urea insecticide, the fast-acting property is obviously improved.

The invention relates to a pesticides composition, concretely relating to the application of the pesticides composition which contains fipronil content, has synergism effect and is used to control the pests of diamond-back moth etc., on the crop. The active ingredient A in the composition is the fipronil, and the active ingredient B in the composition comprises at least one germicide of diflubenzuron and tebufenozide. Fipronil A and B comprise at least one germicide of the diflubenzuron and the tebufenozide. The weight portion ration of the two active ingredients in the composition is 1-80:70-1. The invention has obvious synergism effect, small pesticide resistance, light environmental pollution, low production cost, good control efficiency and comparatively long persistently effective period. In the control process of common pest mites of cabbage caterpillar, diamond-back moth, beet noctuid, cotton noctuid, whitefly, etc., on vegetable, fruit trees, cotton and so on, the pesticides composition combined by the fipronil which has strong damaging effect with the diflubenzuron or the tebufenozide is characterized in high efficiency, low pollution, low residue, and that pesticide resistance is not easy to be generated in long-term usage and so on.

The invention provides an agritol-containing film spreading oil suspension. The agritol-containing film spreading oil suspension comprises, by weight, effective ingredient, namely agritol with the content of 1000IU/microliter-25000IU/microliter, 1.0-25% of surfactant, 1.5-25% of film-forming agent, and the balance being oily dispersion medium. The film spreading oil suspension further comprises organic insecticide which is one or several of emamectin benzoate, dinotefuran, thiamethoxam, abamectin, thiacloprid, spinosad, flonicamid, chlorbenzuron, chlorantraniliprole, diflubenzuron and indoxacarb. The agritol-containing film spreading oil suspension has significant control effect on pests, and the control efficacy can reach 83-86%. Compared with the conventional film spreading oil suspension, the agritol-containing film spreading oil suspension has good effect and excellent spreading performance on the liquid level.

The invention belongs to the technical field of agricultural fruit thinning of fruit trees, and relates to a longan fruit thinning agent. The longan fruit thinning agent is prepared by uniformly mixing carbamide, diflubenzuron, amino acid and water and achieves the purpose of fruit thinning by accelerating the drop of weak fruits by being sprayed to a longan crown which needs fruit thinning and then manually vibrating the 2-level branches of a longan tree. The longan fruit thinning agent disclosed by the invention can be used for effectively thinning the weak fruits and retaining the fruits with high fruit setting power by scientifically blending a medicament according to a longan fruit load regulation mechanism, can meet the requirement for better fruit thinning, increase the fruit thinning efficiency under the precondition without influencing the late management work of longan and solve the problems of high labor intensity, low efficiency, high expenditure, poor effect and the like of the traditional manual fruit thinning, has the characteristics of easiness for operation, good effect, low cost and the like and plays an important directing role in high-efficiency orchard management.

The invention relates to an insecticidal composition containing oxymatrine and benzoylurea components. The mass ratio of the oxymatrine to benzoylurea insecticides is (1-40): (40-1). The benzoylurea insecticides are one or more of hexaflumuron, flufenoxuron, chlorfluazuron, lufenuron, novaluron, chlorbenzuron, diflubenzuron and teflubenzuron. The insecticidal composition can be used for preventing beet armyworms, rice leaf folders, cotton bollworms, plutella xylostellas, cabbage caterpillars, prodenia litura, apple skin worms, whiteflies and red spider mites.

The invention provides an insecticide composition containing pirimiphos-methyl and a micro-capsule suspending agent thereof. The insecticide composition comprises a component A and a component B, wherein the component A is the pirimiphos-methyl; the component B is selected from one of pyriproxyfen, chlorbenzuron, diflubenzuron and triflumuron; the mass ratio of the component A to the component B ranges from (100:1)-(2:1), most preferably 50:1; the highest cotoxicity coefficient is 224.1 and the insecticidal efficacy is optimal. The invention provides the insecticide composition containing pirimiphos-methyl and the micro-capsule suspending agent thereof; the organic phosphorus type efficient, low-toxin and wide-spectrum pirimiphos-methyl and insect growth regulators (juvenile hormone types) including the low-toxin compounds of the pyriproxyfen, the chlorbenzuron, the diflubenzuron and the triflumuron are compounded so as to effectively delay the drug resistance caused by sanitary insect pests such as cockroaches, mosquitoes and flies; the effects of killing imagoes and larvae can also be realized.

The present invention relates to a preparation process of pesticide composition for stored grain, and features that the pesticide composition consists of diflubenzuron 2-10%, fenoxycarb 10-35%, solvent 50-72%, co-solvent 8-15% and emulsifier 5-18%. It is used for stored grain and has low toxicity and broad pesticidal spectrum. The use amount of 8 ppm can result in effective period of 1 year.

A method for preparing diflubenzuron controlled-releasing nanoparticles is provided, which comprises the following processing steps: step 1, a crystallization inhibitor and water are mixed at room temperature; step 2, a surface active agent is added into a water soluble solvent and is heated to 40 DEG until the surface active agent is dissolved, and then the technical grade diflubenzuron is added, mixed and stirred till the diflubenzuron is dissolved; step 3, the solution prepared in step 2 is slowly added into the solution in step 1; step 4, after an hour, a stabilizer is added, then the diflubenzuron controlled-releasing nanoparticles are prepared after the polymerization for an hour, and the particle diameters are below 1000 nm, most of which are between 100 to 300 nm. The diflubenzuron can be controlled to release, with reduced toxicity and side effects, increased bioavailability, reduced cost, and environment-friendliness.

A diflubenzuron and emamectin benzoate complex agent is prepared from emamectin benzoate and diflubenzuron according to a weight ratio of 1:1 to 1:40, and preferably the weight ratio is 1:20. The pesticide composition can be made into suspending agent, micro-emulsion, and water dispersible granule through methods known by those skilled in the art. The diflubenzuron and emamectin benzoate complex agent has the advantages of good insect control effect and low application cost, and is capable of being wildly popularized and used.

The present invention relates primarily to an effective long-term simultaneous control of louse infestations and prevention of blowfly strikes on sheep and goats using a specific oil-in-water or water-in-oil topical suspoemulsion formation comprising an insecticidally effective amount of each of the two active ingredients diflubenzuron and dicyclanil and sutiable carriers or diluents.

The invention relates to a method for preparing nano diflubenzuron microcapsules, which is characterized by (1) re-separating out the raw pesticides in the form of crystals and adjusting the particle size by adopting a probe type ultrasonic method or a vibration method, (2) using diflubenzuron as the template particles, using two biocompatible macromolecules with opposite charges as the wall materials and forming an extremely thin protective outer film on the surface of diflubenzuron, thus obtaining the diflubenzuron microcapsules. The method is simple in process, mild in reaction conditions, easy in operation and good in repeatability, provides material base and technical support for developing the efficient green pesticides and has good application prospect.

The invention relates to an insecticidal composition with synergistic effect. The basic active components of the insecticidal composition are destruxins and diflubenzuron which are mixed according to a ratio of 1-9 g: 1-9 g. Adjuvants and excipients are added into the active components for preparation of a wettable powder, a suspending agent or an emulsion in water. The insecticidal composition can be applied to prevention and treatment of diamondback moth, prodenia litura, Lithocolletis ringoniella, grubs, wireworms, Trialeurodes vaporariorum, Liriomyza sativae, root maggots and Bradysia odoriphaga, preferably to prevention and treatment of lepidoptera insects like diamondback moth and prodenia litura on cruciferous vegetable, and has the advantages of stable efficacy, fast action, long action period, safety, environmental protection, etc.

The invention provides a method for controlling woods termites through poison baits. Termite poison baits are thrown in positions with termite mud roads or swarming holes or objects bitten by termites in termite activity areas. The termite poison baits comprise termite killing chemicals, poison carriers and bait devices. Chronic-effect chemicals or insect growth regulators are adopted as the termite killing chemicals, and ivermectin, imidacloprid, sulfluramid, fipronil, hydramethylnon and thiram are adopted as the chronic-effect chemicals; fenoxycarb, pyriproxyfen, chlorbenzuron, hexaflumuron, noviflumuron and diflubenzuron are adopted as the insect growth regulators; the bait devices are cylindrical so as to be inserted in soil or walls easily, gaps or holes are formed in the walls of the devices, the baits are contained in hollow positions of the bait devices, and openings, exposed out of the ground, of the bait devices are sealed with specially made covers. Through the method, termitaria do not need to be dug for tracking termites so that the field does not need to be damaged, the dosage is small, the working efficiency is high, and environmental pollution is little. The method is easy and convenient to operate and remarkable in effect. Besides, natural enemies such as woodland toads, frogs, spiders, bats and birds of termites are protected, and harm caused by termites can be well controlled.

The invention provides an insecticidal composition. The insecticidal composition comprises insect pheromones, thiamethoxam and diflubenzuron. The results of the embodiments in the invention are as follows: after the insect pheromones, thiamethoxam and diflubenzuron are compounded, an indoor drug effect test result shows that composition has synergistic prevention and control effects on insect pests, and a result of field experiments shows that the synergistic effect even exceeds 50% when applied to imagoes and other target insects having certain migratory flight capability, especially in aviation plant protection.

The invention discloses a diflubenzuron water dispersible granule and the preparation method of the diflubenzuron water dispersible granule; the invention is characterized in that, 5% to 90% of diflubenzuron by weight is added to 10% to 95% accessories; after well mixing, ultrafine grinding, granulation and drying, regular or irregular water dispersible granule is obtained. The granule has the advantages that, the drawbacks of diflubenzuron suspension agent are overcome; during processing and using process, consumption cost of farmers and environmental pollution are reduced; the invention has the advantages of high content of active components, fast disintegration speed, good dispersion property, high heat storage stability and other advantages; during usage, insecticidal effect is good and safety is high.

The invention discloses a benzoyl urea insecticide degrading bacterial strain M6. The benzoyl urea insecticide degrading bacterial strain M6 is identified as achromobacter dolens, is preserved in the China Center for Type Culture Collection on May 11, 2016, and has a preservation number of CCTCC NO: M 2016257. The invention further discloses an application of the bacterial strain M6 in production of a benzoyl urea insecticide degrading bacterial agent, the degrading bacterial agent can degrade a variety of benzoyl urea insecticides such as hexaflumumron, diflubenzuron and chlorbenzuron, and the degradation rate of residual hexaflumumron, diflubenzuron and chlorbenzuron in soil or a water body environment can be up to 90% or above in a short time; the degrading bacterial agent can be produced by using general fermentation equipment of the fermentation industry, and has the advantages of low production cost, convenient use and good removal effects.

The invention relates to an insecticidal composition containing diflubenzuron and deltamethrin and an application thereof. The composition contains diflubenzuron and deltamethrin in a weight ratio of (40 to 1)-(1 to 20). The composition can be applied to controlling pests of crops, such as economic crops, cereals or melons, fruits and vegetables, has a wide range of application, good effects and low residues, is low in cost and is safe to human, livestock, environment, and the like.

The invention provides a diflubenzuron urea granule and a preparation method thereof. The invention is to solve the problems that cyromazine is always used to control and kill fly maggots; no pesticide with same effect can be alternated; pesticide resistance is easily generated; and a conventional diflubenzuron suspension is not applicable to killing the fly maggots in manure of livestock and poultry. The diflubenzuron urea granule provided by the invention uses urea as a carrier and a core, and has the outer layer adhered with a pesticide namely diflubenzuron. The diflubenzuron urea granule is directly subjected to dry spreading into the manure of the livestock and the poultry to control and kill the fly maggots, can slowly sink into the manure and diffuse due to heaviness of the granules, and has better effect to control the fly maggots located at the deep position of the manure; meanwhile, through dry spreading for use, no stress is generated to the livestock and the poultry; no irritation is generated to respiratory tracts of the livestock and the poultry; the content of urea in the manure can be increased; and the fertilizer efficiency of the manure is improved.