36 results about "Coumaphos" patented technology

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 relates to a method for simultaneous detection of residual quantity of fluvalinate, triadimenol and coumaphos in royal jelly. So far, there has not been a method capable of simultaneously detecting residual quantity of fluvalinate, triadimenol and coumaphos in royal jelly. The reagents used in the invention comprise chromatographically pure acetonitrile, water, analytically pure anhydrous sodium sulfate, n-propanol, fluvalinate, triadimenol, coumaphos, analytically pure ammonia liquor and chromatographically pure methanol; the method comprises the processes of preparation of a standard stock solution, preparation of blended standard intermediate liquid, preparation of standard liquid, preparation of a standard curve, treatment of samples and detection of samples. The invention has the characteristics of simple operation, high detection efficiency, high detection precision, with detection limits for coumaphos, triadimenol and fluvalinate respectively being 1.6 mu g / kg, 2.1 mu g / kg and 2.0 mu g / kg by using the method of determining corresponding concentration on the basis of the equation of signal to noise ratio that S / N=3, and capacity of simultaneous detection of residual quantity of fluvalinate, triadimenol and coumaphos in royal jelly.

Annoying insects are controlled by attaching an insect control device to the body of the animal to be treated. The insect control is a molded article, preferably in the form of an ear tag, which has been formed from a powder mixture of coumaphos and diazinon, polyvinyl chloride, and a plasticizer. The coumaphos and diazinon are generally used in an amount that would prolong the insecticidal activity without detracting from the suitability of the device.

Annoying insects are controlled by attaching an insect control device to the body of the animal to be treated. The insect control device is a molded article, preferably in the form of an ear tag, which has been formed from a powder mixture of coumaphos and diazinon, polyvinyl chloride, and a plasticizer. The coumaphos and diazinon are generally used in an amount that would prolong the insecticidal activity without detracting from the suitability of the device.

Annoying insects are controlled by attaching an insect control device to the body of the animal to be treated. The insect control device is a molded article, preferably in the form of an ear tag, which has been formed from a powder mixture of coumaphos and diazinon, polyvinyl chloride, and a plasticizer. The coumaphos and diazinon are generally used in an amount that would prolong the insecticidal activity without detracting from the suitability of the device.

The invention discloses a pesticide combination containing spinetoram and pyridaben, and belongs to the technical field of pesticides. The pesticide combination is prepared from the combination of the spinetoram, the pyridaben, fluorine silicon iodine, sodium humate, rh-5849, trifloxysulfuron sodium, ethrimol, coumaphos, 41% isopropylamine salt of N-glycine, benzenesulfonic acid emulsifying agents and benzene hydrocarbon. To obtain pesticide combination finished products, assistant agents of the pesticide combination containing the spinetoram and the pyridaben, dispersing agents, adjuvant, simethicone and water are needed, and the weight radio of the spinetoram to the pyridaben to the rh-5849 is 10: 4: 1. According to the pesticide combination, the two agents with totally different action mechanisms are blended, combined actions can be conducted on pests in many ways, and the purpose of effective control over the pests is achieved; meanwhile, the using dosage of the agents in field is reduced, the economic cost is saved, the pollution of the agents to the environment is reduced, and the risk that the pests develop resistance to the agents is also lowered.

The invention discloses a preparation method of a pesticide for controlling rice leaf miner, which comprises the following steps: A. preparing 40% diazinon missible oil, 50% naled missible oil, clove oil, scutellarin, hawthorn flavone, cyprodinil, potassium hydroxide and coumaphos; B. diluting the 40% diazinon missible oil and 50% naled missible oil to a 50-time solution with water, adding the cyprodinil, cyprodinil and coumaphos, and stirring uniformly; C. diluting the clove oil, scutellarin and hawthorn flavone to a 10-time solution with water, and stirring uniformly; and D. mixing the substances obtained in the step B and step C, and sterilizing to obtain the pesticide for controlling rice leaf miner. The preparation method is simple; and the prepared product is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention discloses a pesticide composition containing pyrazosulfuron-ethyl and difenoconazole and belongs to the technical field of pesticide. The pesticide composition is compounded and prepared from the following effective ingredients: abamectin, pyrazosulfuron-ethyl, fluorine silicon iodine, sodium humate, 1,2-dibenzoyl-1-tert-butylhydrazine, trifloxysulfuron sodium, ethirimol, coumaphos, merida, a benzenesulfonic acid emulsifier and a benzene solvent. When a finished product of the pesticide composition is prepared, following auxiliary agents of the pesticide composition containing the pyrazosulfuron-ethyl and the difenoconazole, a dispersing agent, an additive, simethicone and water are needed, and a weight ratio of the abamectin to the pyrazosulfuron-ethyl to the 1,2-dibenzoyl-1-tert-butylhydrazine is 10 to 4 to 1. According to the pesticide composition, the two kinds of pesticides with completely different action mechanisms are mixed to achieve combined action on pests from multiple aspects to achieve the purpose of effectively preventing the pests; meanwhile, a use amount of the pesticides in fields is reduced, economical cost is saved, pollution of the pesticides to environment is reduced, and risk that the pests generate resistance to the pesticides is also reduced.

The invention discloses a preparation method of a compound pesticide for controlling vegetable leaf miner, which comprises the following steps: A. preparing 40% diazinon missible oil, 50% dichlorvos missible oil, tea polyphenol, radix astragali polysaccharide, phillyrin, tebuthiuron, nitenpyram and coumaphos; B. diluting the 40% diazinon missible oil and 50% dichlorvos missible oil to a 50-time solution with water, adding the c tebuthiuron, tebuthiuron and coumaphos, and stirring uniformly; C. diluting the tea polyphenol, radix astragali, polysaccharide and phillyrin to a 10-time solution with water, and stirring uniformly; and D. mixing the substances obtained in the step B and step C, and sterilizing to obtain the compound pesticide for controlling vegetable leaf miner. The preparation method is simple; and the prepared product is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention discloses a pesticide mixture containing abamectin and pyrazosulfuron-ethyl and belongs to the technical field of pesticides. The pesticide mixture is compounded from the following active ingredients: abamectin, pyrazosulfuron-ethyl, iodine silicon fluoride, sodium humate, dibenzoyl-1-tert-butylhydrazine, trifloxysulfuron sodium, ethirimol, coumaphos, Merida, a benzene sulfonate emulsifier and a benzene solvent. When the finished pesticide mixture is prepared, the following adjuvants are needed: the pesticide mixture containing abamectin and pyrazosulfuron-ethyl, a dispersing agent, aids, dimethicone and water. The pesticide mixture is capable of co-acting on injurious insects from multiple aspects, and the aim of effectively controlling the injurious insects is achieved. Meanwhile, the dosage of pesticides in the field is reduced, the economic cost is saved, the pollution of the agent on the environment is reduced, and risk of the injurious insects producing resistance to the drug is reduced.

The invention discloses a pesticide for controlling garden pea leaf miner, which comprises the following components in parts by weight: 3-6 parts of 50% naled missible oil, 3-6 parts of 50% omethoate missible oil, 2-5 parts of garlic oil, 1-3 parts of baicalin, 2-4 parts of creat lactone, 2-5 parts of stearic acid, 1-3 parts of ethirimol and 3-6 parts of coumaphos. The pesticide is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention discloses a preparation method of a pesticide for controlling leaf miner, which comprises the following steps: A. preparing 40% dimethoate missible oil, 40% diazinon missible oil, clove oil, anemone saponin, arteannuin, abamectin, sodium humate and coumaphos; B. diluting the 40% dimethoate missible oil and 40% diazinon missible oil to a 50-time solution with water, adding the abamectin, sodium humate and coumaphos, and stirring uniformly; C. diluting the clove oil, anemone saponin and arteannuin to a 10-time solution with water, and stirring uniformly; and D. mixing the substances obtained in the step B and step C, and sterilizing to obtain the pesticide for controlling leaf miner. The preparation method is simple; and the prepared product is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention discloses a pesticide for controlling leaf miner, which comprises the following components in parts by weight: 3-6 parts of 40% dimethoate missible oil, 3-6 parts of 40% diazinon missible oil, 2-5 parts of clove oil, 1-3 parts of anemone saponin, 2-4 parts of arteannuin, 2-5 parts of abamectin, 1-3 parts of sodium humate and 3-6 parts of coumaphos. The pesticide is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention relates to the field of biochips, and in particular relates to a surface plasma resonance biochip, and a preparation method and applications thereof. According to the biochip, a coumaphos-ovalbumin conjugate is immobilized on a solid-phase vector to obtain a biological probe, surface plasma resonant response is made by a gold film, the surface of the gold film is modified with sulfydryl by a self-assembled monolayer technology, and the probe is fixed on the biochip to obtain the biochip after the biochip is activated. The applications of the biochip comprise the application the surface plasma resonance biochip in detecting coumaphos monoclonal antibodies by adopting a direct method and the application of the surface plasma resonance biochip in detecting coumaphos by adopting an inhibition method. Due to the adoption of the direct detection method, the antibodies can be screened, and researches on immune reaction kinetics can be made; due to the adoption of the competitive inhibition method, the concentration of coumaphos micromolecules can be detected with limit of detection of 25 microgram / liter. The biochip has the characteristics of high speed, real-time performance and field detection capability, and is high in sensitivity, low in cost and free of environmental pollution.

The invention discloses a method for using a calamus fly eradication composite. The method comprises the steps that A, a stock solution is taken to be used, wherein the stock solution comprises metolachlor, cypermethrin, omethoate, baicalin, pirimicarb, stearic acid, ethirimol and coumaphos; B, at the early stage of fly attack, due to the fact that eggs are mainly laid on the back sides of leaves, the stock solution is diluted to 1000 times of the volume to be sprayed, wherein the stock solution is sprayed once every three days for 3-5 times totally; C, at the adult stage, the stock solution is diluted to 1300 times of the volume to be sprayed; D, after temperature is higher than 26 DEG C, spraying interval needs to be prolonged, and the number of times of spraying needs to be increased, wherein spraying is continuously conducted once every four days for 4-5 times totally. The method is simple, material matching is easy, using is convenient, leaf miner control effect is good, and control effect is improved by 12-16% compared with that of traditional pesticides.

The invention discloses an application method of a prevention drug for leaf miner. The application method comprises the following steps: A. stock solution is taken for future use: the stock solution consists of 40% dimethoate missible oil, 40% diazinon missible oil, clove oil, pycnonotus sinensis saponin, artemisinin, abamectin, sodium humate and coumaphos; B. the spraying period is 3-5 times and the spraying is implemented every 3 days: at the beginning of paroxysm, as eggs are mainly laid on the back surfaces of leaves, the stock solution is diluted to 1000 times of volume for spraying; C. in the imago phase, the stock solution is diluted to 1300 times of volume for spraying; D. after the temperature is higher than 26 DEG C, the spraying time and the spraying period are required to be increased; the spraying is implemented every 4 days, and is continuously implemented for 4-5 times. The application method is simple to apply, simple in preparation of used products, convenient to use, and good in leaf miner preventing effect and is 115-118% of the prevention effect of the traditional pesticide.

The invention discloses leaf miner eradication composition for acorus calamus. The leaf miner eradication composition comprises components in parts by weight as follows: 3-6 parts of metolachlor, 3-6 parts of cypermethrin, 2-5 parts of omethoate, 1-3 parts of baicalin, 2-4 parts of pirimicarb, 2-5 parts of stearic acid, 1-3 parts of ethirimol and 3-6 parts of coumaphos. According to the leaf miner eradication composition for acorus calamus, the ratio is simple, the use is convenient, the control effect on leaf miners is good, a traditional Chinese medicine intermediate and a pesticide intermediate are added on the basis of traditional pesticides, the components are mixed to obtain the novel pesticide for the leaf miners, and the control effect is good and is improved by 12%-16% compared with the traditional pesticides.

The invention relates to a method for preparing coumaphos by an aqueous phase method, belonging to the field of chemical vermifuge synthesis technologies. The method comprises the following steps: (A) feeding materials: feeding water into a reaction kettle, starting a stirrer, then feeding an acid-binding agent, 3-chlorin-4-methyl-7 hydroxy coumarin and a phase transfer catalyst, and adding ethylchloride; (B) controlling temperature: reacting at room temperature after feeding the materials, increasing the temperature to 50-80 DEG C and then reacting for 20-150 minutes, and discharging the materials; (C) discharging, washing and drying the materials: placing the materials into a vacuum filter to filter out waste water, then washing the coumaphos as a target product to be neutral by clear water, and then delivering the coumaphos as the target product into a drying chamber for controlling the temperature and drying. The invention has low reaction temperature, short reaction time and high yield, prevents a large quantity of organic solvents from being used, eliminates flammable and explosive hidden troubles and is outstanding in environmental protection effect.

The invention discloses an application method of a compound pesticide for controlling vegetable leaf miner, which comprises the following steps: A. taking raw liquor for later use, wherein the raw liquor is composed of 40% diazinon missible oil, 50% dichlorvos missible oil, tea polyphenol, radix astragali polysaccharide, phillyrin, tebuthiuron, nitenpyram and coumaphos; B spraying the raw liquor 3-5 times every 3 days, wherein in the disease development early stage, since the ova are mainly produced to the leaf back, the raw liquor is diluted to 1000 times by volume and then sprayed; C. in the imago stage, diluting the raw liquor to 1300 times by volume, and spraying; and D. after the temperature is higher than 26 DEG C, increasing the spraying time and period, and continuously spraying 4-5 times every 4 days. The application method is simple; the used product is simple in proportioning and convenient to use, and has favorable control effect on leaf miner; and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention relates to a method for simultaneous detection of residual quantity of fluvalinate, triadimenol and coumaphos in royal jelly. So far, there has not been a method capable of simultaneously detecting residual quantity of fluvalinate, triadimenol and coumaphos in royal jelly. The reagents used in the invention comprise chromatographically pure acetonitrile, water, analytically pure anhydrous sodium sulfate, n-propanol, fluvalinate, triadimenol, coumaphos, analytically pure ammonia liquor and chromatographically pure methanol; the method comprises the processes of preparation of a standard stock solution, preparation of blended standard intermediate liquid, preparation of standard liquid, preparation of a standard curve, treatment of samples and detection of samples. The invention has the characteristics of simple operation, high detection efficiency, high detection precision, with detection limits for coumaphos, triadimenol and fluvalinate respectively being 1.6 mu g / kg, 2.1 mu g / kg and 2.0 mu g / kg by using the method of determining corresponding concentration on the basis of the equation of signal to noise ratio that S / N=3, and capacity of simultaneous detection of residual quantity of fluvalinate, triadimenol and coumaphos in royal jelly.

The invention discloses a composition for controlling vegetable leaf miner, which comprises the following components in parts by weight: 3-6 parts of 50% dimethoate missible oil, 3-6 parts of 25% carbendazim, 2-5 parts of cinnamaldehyde, 1-3 parts of saikosaponin, 2-4 parts of matrine, 2-5 parts of urotropine, 1-3 parts of trifloxysulfuron sodium and 3-6 parts of coumaphos. The composition is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

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 discloses a fly-proof pesticide for oat. The fly-proof pesticide comprises components in parts by weight as follows: 3-6 parts of citrin, 3-6 parts of artemisia scoparia oil, 2-5 parts of pyrethrins, 1-3 parts of baicalein, 2-4 parts of chlorpyrifos, 2-5 parts of cyprodinil, 1-3 parts of potassium hydroxide and 3-6 parts of coumaphos. The fly-proof pesticide is simple in proportioning, convenient to use and good in leaf miner prevention effect. A traditional Chinese medicine intermediate and a pesticide intermediate are added on the basis of conventional pesticide and mixed, a new pesticide for controlling leaf miner is obtained, and the control effect is good and is improved by 22%-24% when compared with that of the conventional pesticide.

The invention discloses a preparation method of a fly-proof pesticide for oat. The preparation method comprises steps as follows: A, citrin, artemisia scoparia oil, pyrethrins, baicalein, chlorpyrifos, cyprodinil, potassium hydroxide and coumaphos are prepared; B, citrin and artemisia scoparia oil are diluted by 50-fold with water, and cyprodinil and coumaphos are added and uniformly stirred; C, pyrethrins, baicalein and chlorpyrifos are diluted by 10-fold with water, and the mixture is stirred uniformly; D, substances obtained from the step B and the step C are mixed together and sterilized, and the fly-proof pesticide for the oat is obtained. The preparation method is simple, and the prepared fly-proof pesticide is simple in proportioning, convenient to use and good in leaf miner prevention effect. A traditional Chinese medicine intermediate and a pesticide intermediate are added on the basis of conventional pesticide and mixed, a new pesticide for controlling leaf miner is obtained, and the control effect is good and is improved by 22%-24% when compared with that of the conventional pesticide.

The invention discloses a process for combating parasitosis in bees, comprising providing a means for contacting the bees or their brood or habitat with an amount effective therefor of coumaphos which is in combination with a plastic material.

The invention discloses a compound pesticide for controlling vegetable leaf miner, which comprises the following components in parts by weight: 3-6 parts of 40% diazinon missible oil, 3-6 parts of 50% dichlorvos missible oil, 2-5 parts of tea polyphenol, 1-3 parts of radix astragali polysaccharide, 2-4 parts of phillyrin, 2-5 parts of tebuthiuron, 1-3 parts of nitenpyram and 3-6 parts of coumaphos. The pesticide is simple in proportioning and convenient to use, and has favorable control effect on leaf miner. The traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of the traditional pesticide and mixed to obtain the new pesticide for leaf miner with favorable control effect, and the control effect is enhanced by 15-18% as compared with the traditional pesticide.

The invention discloses a method for preparing a drug for killing phytomyza peniculatae sasakawa. The method comprises the following steps: A, preparing the following materials: acetamiprid, triadimefon, sodium dihydrogen phosphate, saikoside, sophocarpidine, cyproconazole, trifloxysulfuron sodium and coumaphos; B, diluting acetamiprid and triadimefon to a solution, the amount of which is 50 times of those of the acetamiprid and triadimefon, through water, adding cyproconazole and coumaphos, and uniformly stirring; C, diluting sodium dihydrogen phosphate, saikoside and sophocarpidine to a solution, the amount of which is 10 times of those of the sodium dihydrogen phosphate, saikoside and sophocarpidine, through water,and uniformly stirring; D, mixing the substances prepared in the steps B and C, and disinfecting the mixture to obtain the drug for killing phytomyza peniculatae sasakawa. According to the invention, the preparation method is simple, the prepared drug is simple in ratio, and convenient to use, and has the excellent effect for preventing phytomyza peniculatae sasakawa; a traditional Chinese medicine intermediate and a pesticide intermediate are added on the basis of the traditional pesticide, then, the traditional Chinese medicine intermediate and the pesticide intermediate are mixed with the traditional pesticide to obtain a novel drug for killing phytomyza peniculatae sasakawa, and the novel drug is excellent in preventing effect, and the control effect of the novel drug is increased by 20-23% compared with that of the traditional pesticide.

The invention discloses a formula and process of coumaphos. Coumaphos is suitable for various melons, fruits and vegetables and mainly has good insecticidal effects on fly pests. Coumaphos is mainly used for controlling various leaf miners on various melons and fruits, solanaceous vegetables, beans and leaf vegetables, such as liriomyza sativae Blanchard, liriomyza huidobrensis Blanchard, Melanagromyza sojae (Zehntner) de Meijere, Liriomyza chinensis (Kato) and American serpentine leaf miners and for controlling root maggots (red-eye grass mosquitoes on leeks), and the like on leeks, scallions and garlic in present melon, fruit and vegetable production. A broad-spectrum, efficient and multifunctional insecticide for livestock is prepared by adopting the formula and the process.

The invention relates to a method for preparing coumaphos by an aqueous phase method, belonging to the field of chemical vermifuge synthesis technologies. The method comprises the following steps: (A)feeding materials: feeding water into a reaction kettle, starting a stirrer, then feeding an acid-binding agent, 3-chlorin-4-methyl-7 hydroxy coumarin and a phase transfer catalyst, and adding ethylchloride; (B) controlling temperature: reacting at room temperature after feeding the materials, increasing the temperature to 50-80 DEG C and then reacting for 20-150 minutes, and discharging the materials; (C) discharging, washing and drying the materials: placing the materials into a vacuum filter to filter out waste water, then washing the coumaphos as a target product to be neutral by clear water, and then delivering the coumaphos as the target product into a drying chamber for controlling the temperature and drying. The invention has low reaction temperature, short reaction time and highyield, prevents a large quantity of organic solvents from being used, eliminates flammable and explosive hidden troubles and is outstanding in environmental protection effect.

The invention discloses pesticide for killing astragalus sinicus leafminer. The pesticide for killing the astragalus sinicus leafminer comprises, by weight, 3-6 parts of acetamiprid, 3-6 parts of triadimefon, 2-5 parts of sodium dihydrogen phosphate, 1-3 parts of saikosaponins, 2-4 parts of sophocarpidine, 2-5 parts of cyprokonazol, 1-3 parts of trifloxysulfuron sodium and 3-6 parts of coumaphos. The pesticide is simple in proportion, convenient to use and good in leafminer prevention and control effect. According to the pesticide, traditional Chinese medicine intermediates and pesticide intermediates are added on the basis of traditional pesticide, the novel pesticide for the leafminer is obtained after the traditional Chinese medicine intermediates and the pesticide intermediates are mixed, and the control effect is good and is improved by 20-23% compared with the control effect of the traditional pesticide.