273 results about "Phoxim" patented technology

The invention relates to a pesticide composition containing indoxacarb, mainly used in crops disinfestation, which comprises emulsifiable concentrate, wettable powder and suspension agent. The active ingredients of the pesticide composition are indoxacarb and active ingredient B which is any one or composition of more than one with any proportion of Methylamino abamectin benzoate, hexaflumuron, nitenpyram, avermectin, fipronil, chlorfenapyr, acetamiprid, profenofos, phoxim, high-efficiency cypermethrin, cyhalothrin, triazophos and chlorpyrifos. The pesticide composition has the advantages of enlarging the application range, having strong contact toxicity and stomach poisoning action, having low mammalian toxicity and better compatibility of environment, being effective to the pest of every growth period, increasing the effect of every component of the composition significantly, reducing the production cost and agricultural cost of the pesticide, having wide insecticidal spectrum and high efficiency, delaying the occurrence of the drug resistance of the pests, prolonging the service life of the pesticide agent, enabling the high yield and high quality of the crops, having strong activity, long persistent period and stable drug efficacy to the pests.

The invention provides a medicinal fertilizer and application thereof. The medicinal fertilizer comprises the following components in percentage by weight: 0.1 to 1 percent of abamectin, 1 to 20 percent of phoxim and / or chlorpyrifos, 15 to 40 percent of macro-element fertilizer, 1 to 5 percent of micro-element fertilizer and 34 to 72.4 percent of carrier. In the medicinal fertilizer, the abamectin, the phoxim and / or the chlorpyrifos, the macro-element fertilizer and the macro-element fertilizer are compounded so that the pesticide effects of the abamectin and the phoxim and / or the chlorpyrifos on nematode or / and underground insects are enhanced effectively and the medicinal fertilizer acts growth effect on crops. The medicinal fertilizer has excellent performance and pesticide effect so that the medicinal fertilizer can be applied in the prevention and control of the underground insects or / and nematode. The invention also provides a method for preparing a particle medicinal fertilizer and a powder medicinal fertilizer. The preparation method has the advantages of simple process, easily-controlled condition and suitability for industrialized production.

The invention relates to a method for reducing vegetable phoxim residue by utilizing glomus mosseae or glomus intraradices. Arbuscular mycorrhiza homobium is formed by mainly utilizing glomus mosseae or glomus intraradices and a vegetable crop to reduce phoxim residue in a vegetable. The method of the invention comprises the following steps of: propagating the glomus mosseae or the glomus intraradices; using a glomus mosseae microbial inoculum or a glomus intraradices microbial inoculum on vegetables; and applying phoxim and managing the vegetable until the growth period of the vegetable crop is finished. The method of the invention is suitable for vegetable crops easy to form arbuscular mycorrhiza of a potato family, a lily family, a gourd family, a bean family, and the like. The method of the invention can reduce phoxim residue in soil and vegetables, prevent pesticide from being transferred to environments of water bodies, atmosphere, and the like and lessen harm to the health of human bodies and is simple, convenient and environment-friendly.

The invention discloses an oil-tea camellia container seedling substrate and a preparing method. The oil-tea camellia container grow seedling substrate is composed of yellow subsoil, pinery surface soil, edible fungi remained materials, peat and dung soil 5 to a scale. The preparing method includes steps of: A respectively weighing components of yellow subsoil, pinery surface soil, edible fungi remained materials, peat and dung soil in proportion; B mashing the raw materials, using a sieve with pore diameter as 5-8 mm for sieving, and drying the raw materials; and C respectively sieving the raw materials and disinfecting dung soil with phoxim soil [0.5g*(100g)-1]. A seedling substrate can be obtained by mixing and evenly stirring substrates of yellow subsoil, pinery surface soil, edible fungi remained materials, peat and dung soil in proportion. During use, the seeding substrates are filling in a bag in mixing mode and are disinfected with 3%-5% of ferrous sulfate before being transplanted to a bowl. The oil-tea camellia container seedling substrate is low in cost, fast in effect showing, good in effect and convenient to use.

The invention discloses sugarcane pesticidal compound fertilizer and a preparation method thereof. The sugarcane pesticidal compound fertilizer comprises 8-20% of inorganic fertilizer, 5-15% of organic fertilizer, 0.1-1% of pesticide phoxim, 0.1-1.0% of secondary elements, 3-10% of trace elements and 0.01-0.05% of lanthanide. The sugarcane pesticidal compound fertilizer has strong killing effects on underground insects such as sugarcane turtles, grubs, juvenile longicorns, white ants and cutworms, has sufficient nitrogen, phosphorus, potassium and the trace elements needed for growth of sugarcane, has humic acid and rare earth which can effectively activate sugarcane plant enzyme, can improve utilization rate of nutrients such as nitrogen, phosphorus and potassium by more than 20%, enables sugarcane stems to be strong and tall and yield per mu to be increased by 0.5-1 ton, can gather moisture and nutrients in soil around sugarcane roots, and can adjust opening and closing of leaf stoma of the sugarcane, so that drought resistance and stress resistance of the sugarcane are greatly improved.

The invention discloses a nematicide composition containing oligosaccharides and application thereof. The composition contains a controlling-effective amount of oligosaccharides and nematicide; the content of the oligosaccharides accounts for 1 to 10% of the gross weight of the composition, and the oligosaccharides comprise chitosan oligosaccharide, sodium alginate oligosaccharide and pectin oligosaccharide; and the content of the nematicide accounts for 0.5 to 30% of the gross weight of the composition, and the nematicide is one or more selected from the group consisting of avermectin, carbosulfan, emamectin benzoate, methomyl, chlopyrifos, trichlorfon, lambda-cyhalothrin and phoxim. The composition is applied to field crops, commercial crops and fruits and vegetables suffering from damage by nematode and can effectively prevent occurrence of nematode; as the oligosaccharides capable of inducting disease resistance of plants and promoting root growth are introduced into a nematode controlling drug, growth and nutrient absorption of plants are promoted and a controlling effect is exerted on soil-borne diseases while nematode is killed.

The pesticide composition containing tebufenozide includes tebufenozide as the first active component and one kind of the second active component selected from monosultap, bisultap, triazophos, chlorpyrifos, trichlorfon, phoxim and other five kinds of pesticides. The present invention has reasonable component, low use, cost, and high pesticidal effect higher than the accumulation of its components.

The invention provides a special insecticide fertilizer for radish and a preparation method thereof. The special insecticide fertilizer for radish comprises the following raw materials by weight percent: 2-4% of lorsban, 6-10% of carbosulfan, 4-8% of phoxim, 25-35% of urea, 20-30% of calcium superphosphate, 15-25% of potassium sulfate and 5-15% of peat soil. The fertilizer and insecticide are organically combined through blending, agglomeration and granulation. The special insecticide fertilizer for radish and the preparation method thereof, which are provided by the invention, are novel and reasonable in design. The granular insecticide fertilizer is formed by granulating through a disk. The insecticide fertilizer can be administrated conveniently, the phyllotreta striolata and soft rot of radish can be obviously prevented and treated, the radish commercial property is increased, the economic benefit, social benefit and ecological benefit are all obvious, and the application value of the special insecticide fertilizer is higher.

The invention relates to an insecticide-fertilizer composition containing organic heterocyclic insecticides. The composition comprises an active ingredient, synergistic ingredients and a fertilizing ingredient, wherein the active ingredient comprises one or more of fipronil, chlorpyrifos, diazinon, phoxim, carbosulfan, benfuracarb, imidacloprid, acetamiprid, bisultap, thiamethoxam, pymetrozine, bifenthrin or tefluthrin; the synergistic ingredients consist of fulvic acid and chloromethylsilatrane; and the fertilizing ingredient contains any one or more of ammonium sulfate, potassium sulfate, urea, ammonium nitrate, ammonium bicarbonate, potassium chloride, potassium dihydrogen phosphate, superphosphate and calcium magnesia phosphate fertilizer. The insecticide-fertilizer composition has beneficial effects that with fulvic acid and chloromethylsilatrane as the synergistic auxiliary agents of an insecticide, and at the same time in cooperation with the use of a compound fertilizer, the insecticide-fertilizer composition can increase the crop yield, and at the same time can also improve the pest preventing effect.

The invention discloses a microemulsion pesticide. The microemulsion pesticide consists of the following ingredients in percentage by weight: 2.2-10% of active pharmaceutical ingredients, 2.5-20% of cyclohexanone, 2-10% of polyoxyethylene nonyl phenyl ether, 0.5-5% of agricultural emulsion No. 500, 2-10% of agricultural emulsion No. 602 and the balance of water, wherein the active pharmaceutical ingredients comprise one or two of beta-cypermethrin, iambda-cyhalothrin, cyfluthrin, methomyl, carbosulfan, pyriproxyfen, fluacrypyrim, diafenthiuron, hexaflumuron, phoxim, abamectin and acetamiprid. The microemulsion pesticide has the advantages of wide application scope, stable formulation and simple formula, and is convenient to operate.

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.

Disclosed is a method for cultivating pigment marigolds in the sand of a high and cold region. The method includes the steps that ground temperature rises and watering is sufficient 10 days before sowing; sowing is carried out on a fine day without wind, well-prepared soil is sieved by a sieve to cover a seedbed, a disinfectant is sprayed, a pesticide-clay mixture is scattered, and the seedbed is covered by straw; foliage top-dressing is conducted through DAP adding with water in the seedling stage, ventilation is achieved in a seedling growing greenhouse, films are uncovered, seedling exercising is conduced, seedling bacteria are sprayed so that damping-off can be prevented, soil insects can be trapped and killed by the way that phoxim is stirred and mixed with fried bran, and 200ppm of chlormequat chloride is sprayed for treating moderate seedling growth; compound fertilizer water is watered for facilitating growth, and the seedling age is 45-50 days for transplanting; field planting is carried out, the greenhouse is well built, soil preparation is completed, base fertilizer is fully applied, standard moisture in the soil is arranged according to the soil moisture width of 90cm, ponds are built on the water moisture surface in a twin-row mode according to the row spacing being 70cm and the line spacing being 60cm, film uncovering and seedling exercising are conducted 7 days before transplanting, and powder mancozeb is sprayed for disease prevention; field management is conducted, film rupturing and ridging are carried out, watering is achieved according to the dry and wet condition, diseased or infected plants are burned and buried, timber pile wires are pulled, the plants are fixed, and monopotassium phosphate is sprayed after defloration so that diseases can be prevented from endangering the plants. The method provides a mature technology for planting the marigolds in the sand of the high and cold region like Inner Mongolia.

The invention discloses a cultivation method for kadsura. The method comprises the following steps: treating inter-planting land: filling a gully between two trenches with a medium; in the day before inter-planting, fully mixing the following components at weight ratio: activated carbon, cane sugar, naphthylacetic acid and indolebutyric acid, and then uniformly spraying to the medium; trans-planting: trans-planting at the ratio of pistillate plant to staminiferous plant of 6:1; pinching and topping: fertilizing at fixed period. According to the invention, before inter-planting in the prior art, sandy soil, straw ash and plant ash are added into the trenches so as to form the loosened and fertile growth soil for kadsura; insecticides, including cypermethrin, fenvalerate, isocarbophos, phoxim, hexythiazox, diluents and the like, are added, so that the roots and leaves are prevented from being damaged by insects; in the day before inter-planting, activated carbon, cane sugar, naphthylacetic acid and indolebutyric acid are sprayed to the trenches, so that the growth of the root of the kadsura is benefited; after the completion of inter-planting, the kadsura is periodically fertilized, different fertilizers are applied in different periods and the growth of the kadsura is benefited.

The invention discloses an environmental-friendly particulate agent for controlling sugarcane pests. The particulate agent comprises the following components in percentage by weight: 0.1 to 10% of effective active component, 5% to 20% of auxiliary agent, and the balance being filling material; wherein the effective active component is one or two components selected from the following components: clothianidin, phoxim, high efficient cyhalothrin, abamectin, chlorpyrifos and bifenthrin; and the filling material is the residue of plants which have been extracted for essential oil. In this preparation method, the residue of plants, which have been extracted for essential plants, is taken as the pesticide absorption carrier; because the plant residue has a good absorbing performance, and the residual essential oil has a certain expellant and killing effect on pests at the same time, the effect of more efficiently controlling the sugarcane pests is achieved; moreover the plant residue is mainly composed of lignin, which is easy to decompose in the environment and is pollution-free; furthermore, the plant residue carrier has a lower cost than those of other carriers, is more environment-friendly and safer, and does not be restricted by the resources.

The invention relates to a preparation method for Chinese herbal medicament yield-increasing fertilizer containing hogfennel root. The yield-increasing fertilizer comprises the following compositions in percentage by weight: 19 to 22 percent of dry rabbit manure, 10 to 12 percent of dry pig manure, 16 to 19 percent of soybean, 1 to 3 percent of bone meal, 2 to 4 percent of rice bran, 4 to 6 percent of corncob, 6 to 8 percent of cottonseed cake, 10 to 12 percent of compound fertilizer, 8 to 10 percent of urea, 2 to 4 percent of monopotassium phosphate, 3 to 5 percent of glucose powder, 1 to 3 percent of phoxim and 4 to 6 percent of neoprene. The preparation method comprises the following steps: taking the powder agents according to the proportion and combining all powder agents together; putting the mixture in a stirrer to stir for 70 minutes; taking out and putting the mixture in a pulverizer to crush the mixture into particles about 60-mesh; putting the particles in the stirrer again to stir for 160 minutes; taking all particles out and pouring all particles in a fermenting tank; adding 1:1.5 human excrement solution to stir up and down and piling up the evenly stirred mixture; and finally patting the mixture, compacting and tightly covering the mixture by a plastic cloth to carry out fermentation for 26 hours.

The invention discloses an enzyme-linked immunosorbent assay kit for detecting diethoxy phosphorothioate organic phosphorus pesticide, which comprises a kit body, an ELISA plate coated with the antigen of the diethoxy phosphorothioate organic phosphorus pesticide, an antibody solution against diethoxy phosphorothioate organic phosphorus pesticide, a second anti-solution, a standard solution, a concentrated extracting solution, a substrate solution, a buffer solution of the substrate, a concentrated washing liquid and a stopping liquid. The organic phosphorus pesticide refers to the organic phosphorus pesticide containing the common structure of diethoxy phosphorothioate, in particular parathion, coumaphos, quinalphos, triazophos, phoxim, dichlofenthion, phorate, chlorpyrifos, bromophos ethyl, isazofos, diazinon, sulfotep and a mixture thereof. The enzyme-linked immunosorbent assay kit can be used to detect the organic phosphorus residues in fruits, vegetables, soil and water, and isconvenient in operation, high in sensitivity, low in price and is suitable for high-throughput screening monitored on spot.

The invention belongs to the technical field of agriculture and relates to nutrient soil for Chinese roses and a preparation method of the nutrient soil. The preparation method comprises steps as follows: 8-13 parts of pine needles, 8-15 parts of plant ash and 18-25 parts of mountain clay are taken as main matrixes and uniformly stirred, and then 10-15 parts of soybean cake powder, 15-24 parts of river sand, 5-10 parts of bone meal, 4-9 parts of maize straw meal and 1-3 parts of chicken manure are added; the mixture is put into a sealed tank to be fermented, 0.2-0.3 parts of a phosphate fertilizer is added, the mixture is disinfected, sealed, spread to be aired and smashed, 0.001-0.002 parts of 5% phoxim granules are added, the mixture is screened, granules are obtained, and the nutrient soil for the Chinese roses is prepared. The nutrient soil is prepared from various materials through steps of mixing, blending, fermentation, disinfection and the like, the formed mixed nutrient soil has rich nutritional ingredients such as nitrogen, phosphate, potassium and the like, the formula is reasonable, the water drainage and air permeability are good, the soil texture is loose, the permeability is good, and diseases and pests can be prevented in the growth stage of the Chinese roses.

The present invention relates to a composite pesticide containing fipronil. Its composition includes (by wt%) 0.1%-30% of effective component A, 0.2%-10% of fipronil, 0.1%-3% of organic silicon synergistic agent, 5.0%-20% of emulsifying agent and 50%-90% of solvent, in which the described effective component is one of abamectin or profenofos or phoxim or more than one of them; the described emulsifying agent is one of sodium alkylbenzenesulfonate, polyoxyethylene castor oil ether, fatty alcohol-polyoxyethylene ether and polyoxyethylene nonylphenol ether or more than one of them; and the described solvent is one of methyl alcohol, ethyl alcohol, dimethyl benzene, dimethyl sulfoxide, dimethyl formamide, rapeseed oil, soybean oil and cotton seed oil or more than one of them.

The invention relates to a special fertilizer for potatoes. The special fertilizer is prepared from the following components in percentage by weight: 12-18 parts of urea, 14-20 parts of monoammonium phosphate, 14-20 parts of potassium sulfate, 12-18 parts of potassium chloride, 12-18 parts of gypsum, 2-4 parts of sodium borate, 1-3 parts of phoxim, 3-6 parts of plant additive, and 3-6 parts of soil conditioner. By using the technical scheme, the special fertilizer for potatoes can raise biological fertilizers for the growth of the potatoes by vegetative organic matters, and can be used for improving the land quality of potato cultivation by virtue of various soil additives, so tat both the yields of potatoes and subsequent crops can be improved.

The invention provides a degradation bacillus which can dispel the phoxime pesticide residue and its prodegradant. The used strain is Gram's staining reaction hysteroptosis X-12 which is Ochrobactrum.sp. The main biology characteristic is G-; the thaliana is the rod type whose size is (1.58-2.61)mu m*(0.79-1.23)mu m; it has flagellation around it and facultative anaerobes; the hydrogen peroxidase, oxidative enzyme, oxidation of ethanol and V.P. reaction is positive; the ketole reaction is negative; it can not be hydrolysed starched and oxide glucose to generate the acid so that the coagulate dydimic acid cow's milk; the Genbank landing number of the strain 16S rDNA is DQ093374.

The invention belongs to the technical field of crop planting and discloses a high-yield planting method of a thin-shelled walnut. The method comprises the following steps of garden establishment: selecting well-structured and fertile sandy soil with strong water retaining capacity, performing deep ploughing and applying base fertilizer containing a soil conditioner, transplanting: performing transplanting and field planting from September to November, water and fertilizer management: performing top dressing before walnut germinating and blossom drop and in a fruit hardness period, applying different additional fertilizer according to walnut growth requirements in different periods, applying enough organic fertilizer before land freezing, shaping and pruning: performing no pruning at the year of the field planting and the transplanting, and disease and pest control: spraying 0.5-1B lime sulphur once after leaf falling and before the germinating, and spraying 0.5% phoxim powder or 50% thiophanate methyl 800-multiple liquid for prevention and control every other week from the middle of June. The planting method of the walnut improves a soil environment, ensures nutritional requirements of the walnuts in the different periods, promotes early blooming and fruitfulness of the walnut, increases a walnut yield, improves walnut quality, reduces fertilizer input and improves economic benefits.

The invention discloses an agricultural composition containing albendazole for preventing and controlling plant root-knot nematodes. It is a solid preparation or a liquid preparation, and its components include 1% to 49.7% of albendazole and 0.3% to 0.3% of auxiliary active ingredients. 49%, functional additives 1% to 20%, solid preparations include the rest of the filler, liquid preparations include the rest of the solvent, and the auxiliary active ingredients are selected from abamectin, emamectin benzyl ester One or two of salt, thiazophos, triazophos, chlorazophos, phoxim, Bacillus thuringiensis, and diphenhydramine. The composition of the invention has the advantages of obvious insecticidal effect, high activity, good safety, broad spectrum and high efficiency, and the like.

The invention relates to multifunctional corn composite granules, which comprise the following raw materials in percentage by weight: 0.1 to 3.0 percent of carbendazol, 0.1 to 3.0 percent of mancozeb, 0.5 to 3.5 percent of ethephon, 0.1 to 3.0 percent of compound sodium nitrophenolate, 1.0 to 3.5 percent of imidacloprid, 0.5 to 3.0 percent of phoxim or monosultap and the balance of auxiliary materials. Bactericide, pesticide and growth adjustor are compounded in the granules to integrate pest removal, pathogenic bacteria prevention and control and growth adjustment, and the granules are applied at one time and can simultaneously prevent and control multiple pests and pathogenic bacteria of corn; and the total prevention and control rate of the granules on the corn pests reaches over 90 percent, and the average yield increase range of the corn is 25 to 35 percent. the granules have broad spectrum, high efficiency, low toxicity, good compatibility, complementary effect and long acting time, can ensure that the corn is not harmed by the pests such as stem borers, aphids and the like during the whole corn growth period by early application, and thoroughly solve the problem of difficult prevention and control of plant diseases and insect pests in the medium and later stages of the corn growth.

The invention discloses indoxacarb-containing aqueous emulsion and preparation method thereof. The aqueous emulsion contains: A) indoxacarb and B) chlorpyrifos, or triazophos or phoxim or chlorfenapyr or nitenpyram or buprofezin. By adding appropriate auxiliary agents of emulsifier, thickener, antifreeze and defoamer and allowance water and through certain processing technique, stable aqueous emulsion can be prepared. In the process of preparing the aqueous emulsion, non-pollution solvent is adopted, thus avoiding the bad influences from harmful solvent to the environment and to the health of the applier and the producer, and if used under the condition of the same dilution ratio, the aqueous emulsion has similar insecticidal effect to conventional missible oil. The aqueous emulsion has efficient broad spectrum insecticidal performance, can be used for comprehensive prevention and control and resistance control of pests and is suitable for use on green vegetable, fruit trees, crops and cotton.

The invention relates to a pesticide combination, comprising a compound which consists of the neonicotine pesticide thiamethoxam and at least one pesticide selected from organophosphorus pesticides of pyridaphethione, malathion and phoxim; the compound can be processed into aqueous emulsion, water dispersible granule and suspension emulsion. The field experiment of the pesticide compound of the invention for treating different objects proves that the killing efficiency is high and the preventing and controlling scope is very wide, therefore, the invention can effectively prevent and control main pests such as rice borer, rice plant hopper, cotton aphid, apple aphid, diamond-back moth, European red mite, orange coccid, pieris rapae, bemisia tabaci and the like.

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 discloses a gastrodia elata planting method. The method comprises the steps that 3.5-3.5 kg of rice and corn straw mixed and smashed materials are added in per 100 m<2> of soil, so that soil organic matter is improved, and the soil constitutive property can be improved. The surface of soil is coated with a mulching film for 10-15 days to enable the soil to be in the anaerobic condition, some pathogenic bacteria are removed, 0.15 kg of 90-93% dipterex crystals or 50% phoxim is attenuated with water within per 100 m<2> of soil to be mixed with 10-15 kg of fine soil to prepare a pesticide-clay mixture to be sprayed, grubs, mole crickets and other pests in a greenhouse can be killed, the temperature of the greenhouse is adjusted to be 8 DEG C and then adjusted to be 10-25 DEG C, gastrodia elata starts to sprout and grow at 8 DEG C and stops growing after 30 DEG C, the same steps are executed on the second layer and the third layer, the gastrodia elata yield can be improved, and the uppermost layer of a bed is coated with 6-10 cm of humus or river sand and then covered with a layer of tree leaves to promote growth of gastrodia elata. By creatively improving a traditional gastrodia elata culture method, the gastrodia elata yield is improved, and benefits are increased.

The invention relates to a tolfenpyrad-containing pesticide composition for preventing and controlling nematodes, and an application thereof. The pesticide composition comprises an effective active component A and an effective active component B, the active ingredient A is tolfenpyrad, the active component B is selected from one of thiodicarb, monosultap, abamectin, fosthiazate, fluazaindolizine,fluensulfone, fluxapyroxad, trifluoro nematicide, Tioxazafen, phoxim, spirotetramat, dithiocyano-methane, berberine and carvacrol, and the weight ratio of the active component A to the active component B is 1:40 to 40:1. The pesticide composition disclosed by the invention has a relatively good prevention effect on crop root-knot nematodes, pine wood nematodes, cyst nematodes, stem nematodes and the like, and provides a preparation and an application mode which have a synergistic effect, are convenient to use, safe and efficient for preventing and controlling crop nematodes.

The invention discloses an insecticidal composition containing metaflumizone, which comprises effective constituents of a component A and a component B, wherein the component A is the metaflumizone, and the component B is any one of chlorphrifos, phoxim, triazophos, profenofos, diazinon, cidial and pyridaphethione; the component A and the component B have the weight ratio of 80:1-1:80; and the accumulated weight percent of the effective constituents is 1-80 percent. The insecticidal composition has the advantages of synergistic effect and obviously improved pest control effect and can reduce drug amount and delay the development of the drug resistance of pests. The insecticidal composition can control the pests on crops and particularly be applied to control cnaphalocrocis medinalis, riceborer, cotton bollworms, spodoptera litura and spodoptera exigua.