36 results about "Coumaphos" patented technology

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 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 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 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 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 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 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 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.