30 results about "Alpha cypermethrin" patented technology

The invention provides an insecticidal composition having chlorantraniliprole and a preparation method and application thereof. The insecticidal composition is characterized by comprising a compound (A), namely chlorantraniliprole, and a mixture formed by a group of compounds (B) formed by at least one selected from alpha-cypermethrin, etofenprox, cypermethrin, beta-cypermethrin and cyhalothrin. The weight ratio of the compound (A) to the compounds (B) is generally 1-50:1-50. The insecticidal composition can be prepared into frequently-used wettable powder, soluble powder, emulsifiable concentrates, water dispersible powder, granules and emulsion in water according to the needs. The insecticidal composition has the characteristic of wide insecticidal spectrum and can effectively control various crop pests and the like. The control effect of the insecticidal composition is obviously superior to that of the single compound (A) or compound (B), and the application dosage of various bioactive substances can be reduced.

The invention discloses a technology for processing an antibacterial insect-resistant shell fabric. The technology comprises the following steps: (1) mixing the following components in parts by weight: 1-2 parts of polyoxyethylene glycol bisstearate, 12-15 parts of silver ion antibacterial agent and 8-9 parts of alpha-cypermethrin, controlling the temperature to be 45-50 DEG C, sequentially and slowly adding 15-17 weight parts of ethyltriethoxysilane, 20-25 weight parts of a silicone softener and 50-60 weight parts of deionized water, continuously mixing for 30-40 minutes, and finally regulating the PH value to be 5-5.5 by using triethanolamine to prepare an antibacterial insect-resistant finishing solution; (2) padding the shell fabric in the antibacterial insect-resistant finishing solution at the pressure of 1.5-2.5MPa and the liquid rate of 65-70 percent; (3) drying the shell fabric at the temperature of 85 DEG C; and (4) keeping the temperature of the shell fabric to be 135-140 DEG C for 1-2 hours. The processed shell fabric has antibacterial insect-resistant effects and has high durability comprising washing resistance, resistance to dry cleaning and weather resistance.

An insecticide for killing plutella xylostella and noctuid is prepared from ricinine, alpha-cypermethrin, tween-80, piperonyl butoxide and water through proportional mixing.

The invention relates to pesticide mixture agent for preventing ostrinia nubilalis and the application thereof. The pesticide mixture agent is missible oil mainly prepared by abamectin, high-efficientalpha cypermethrin, emulsifier, methyl alcohol and dimethylbenzene. The emulsifier is the mixture of triphenethyl phenmethyl polyoxyethylene ether, calcium dodecylbenzene sulfonate, benzene and alcohol solvent. By weight percentage, raw materials of the mixture agent are as follows: 1.0-2.0% of abamectin, 3.0-4.0% of alpha cypermethrin, 9-16% of emulsifier, 25-40% of methyl alcohol and 40-60% ofdimethylbenzene. When in use, the pesticide mixture agent is diluted with water at 600-900-fold and sprayed in maize bell-mouth period, tasseling stage and husking period in the fields, and thus can prevent ostrinia nubilalis, effectively reduce the population quantity of the ostrinia nubilalis and obviously reduce wood-boring steams, tassel and spike buds.

The invention discloses a polypropylene-fiber long-acting mosquito-dispelling mosquito curtain, comprising a mosquito curtain body, wherein a the mosquito curtain body contains polypropylene and alpha-cypermethrin; the mosquito curtain is obtained by the following steps: 1) adding thermoplastic resin, alpha-cypermethrin, antioxidant and a stabilizing agent into a stirring barrel; 2) stirring for 40-5 minutes so as to mix raw materials completely; 3) feeding stirred mixing material to a screw fusion extruding machine, and carrying out shearing, fusing, dispersing, and final extruding and wiredrawing steps; and 4) carrying out spinning, weaving, after treatment, and sewing so as to acquire the finished mosquito curtain. Compared with the prior art, the polypropylene-fiber long-acting mosquito- dispelling mosquito curtain has benefit effect that the alpha-cypermethrin is selected as insecticide; each technical parameter is configured in a processing procedure specifically to characteristics of the alpha-cypermethrin, so that the trace alpha-cypermethrin insecticide is fused into the polypropylene more effectively so as to achieve slow and effective release; in addition, the manufactured mosquito curtain has the advantages of long acting, durable use, safe for human bodies, no toxicity, and durable washing.

The invention provides a bactericide for gray mold of actinidia chinensis. The bactericide is prepared from the following components by weight: 400-600g of deionized water, 4-6g of emulsifier, 15-25g of chloroisobromine cyanuric acid, 2-4g of cyrtomium rhizome extract, 2-4g of perilla extract, 2-4g of cypress bark extract, 2-4g of derris trifoliata extract, 4-6g of matrine, 4-6g of amoxicillin, 3-5g of clavulanic acid, 2-4g of tigecycline, 4-6g of alpha-cypermethrin, 3-5g of compound sodium nitrophenolate, 2-4g of benzoic acid, 2-4g of copper sulfate, 2-4g of tobramycin, 2-4g of anthocyanin from purple sweet potatoes and 2-4g of ethylparaben. The bactericide is prepared by the steps of heating the deionized water to 50-65 DEG C, putting the rest components into the deionized water, conducting continuous stirring for about 10 minutes, and conducting cooling to normal temperature to obtain the bactericide. By adopting the bactericide, gray mold of actinidia chinensis can be effectively prevented and controlled, and germs can be killed. The bactericide cannot be remained in a plant body under a normal application technical condition, and has small influence on the natural environment and other organisms.

The invention relates to a long-acting mosquito and fly killing liquid which is prepared by taking meperfluthrin, 95% of alpha-cypermethrin, pyrethrin, piperonylbutoxide, permethrin, 90% of octachlorodipropyl ether, TX-10, 95% of alcohol, ZH-S1, sodium benzoate, polyvinyl formal and a mosquito ball spore bacterium liquid as raw materials and stirring the raw materials repeatedly and uniformly. The long-acting mosquito and fly killing liquid is long in efficacy time, small in toxicity, colorless, tasteless, innocuous to human body and low in cost and mosquitoes and flies are killed as long as the mosquitoes and the flies are contacted with spaces sprayed with the medicine.

The alpha-cypermethrin anti-fouling preparation is one kind of efficient environment friendly marine use anti-fouling preparation prepared with artificially synthesized derivative of pyrethrin as the pyrethrum extract and has low cost, high efficiency and environment friendship. Alpha-cypermethrin has the molecular expression of C22H19Cl2NO3, molecular weight of 416.35 and molecular structure as shown.

The invention provides a cycloxaprid-containing insecticidal composition, which comprises cycloxaprid and alpha-cypermethrin, wherein the mass ratio of cycloxaprid to alpha-cypermethrin in the composition is 80: 1-1: 80. The cycloxaprid-containing composition has obvious synergy effect through complex formulation of cycloxaprid and alpha-cypermethrin, LC50 can be obviously reduced, pesticide amount is reduced, and the composition has characteristics of wide insecticidal spectrum, high efficiency, low toxicity, low prevention and treatment cost.

The invention provides a preparation method of an upconversion fluorescent sensing material for detecting alpha-cypermethrin. The preparation method comprises the following steps: firstly, dissolvingalpha-cypermethrin and acrylamide in a methanol/acetonitrile mixed solution, meanwhile, dissolving an upconversion-metal organic framework composite material in a methanol/acetonitrile mixed solution,carrying out ultrasonic for 1 hour, then dropwise adding the mixed solution with the dissolved alpha-cypermethrin and acrylamide into the mixed solution with the dissolved upconversion-metal organicframework composite material, adding divinyl benzene and azodiisobutyronitrile, then introducing nitrogen to remove oxygen for 30 minutes, carrying out Soxhlet extraction for 48 hours by using a mixedsolution of methanol and acetic acid after a reaction is finished, finally putting the obtained substance into a vacuum drying oven at a temperature of 50 DEG C, and carrying out drying for 12 hoursto obtain the imprinted polymer with high selectivity to alpha-cypermethrin. The preparation method has the advantages that the fluorescent composite material with high selectivity, high sensitivity,low cost and rapid fluorescence sensing detection is synthesized, and the fluorescent composite material is expected to be used as a rapid detection technology of alpha-cypermethrin (alpha-CPM) for being applied to field detection of food safety.

The invention provides a special seed-dressing agent for high yield of disease-resisting triticale. When 100kg of wheat seeds are dressed, the special seed-dressing agent is composed of the following components by weight: 4kg of magnetized water, 0.2kg of selenium-enriched yeast powder, 0.1kg of purple sweet potato anthocyanin, 0.3kg of sodium selenite, 0.05kg of tea alkaloid, 0.2kg of soybean lecithin, 0.2kg of hydrolyzed silk protein, 0.2kg of mint juice, 0.4kg of seaweed micro-powder, 0.2kg of stearin, 0.5kg of chelated zinc, 0.3kg of ethylparaben, 0.2kg of cashew nut oil, 0.4kg of ginger juice, 0.03kg of a preservative, 0.2kg of castor oil, 150ml of alpha-cypermethrin, 0.6kg of benzoic acid and 0.3kg of crowndaisy chrysanthemum extract. The special seed-dressing agent has a scientific formula and simple components; with the adoption of the seed-dressing agent, soil insects of wheat, such as grubs, mole crickets, wireworms and cutworms, can be effectively prevented and controlled; the germination can be effectively accelerated, the yield of the wheat is improved and the quality is improved; and the seeds are dressed by using the formula so that the emergence rate of the wheat is improved by 12% and the yield is increased by more than 10%.

The invention discloses a wheat seed dressing agent capable of increasing the rate of seedling emergence and yield of wheat and relates to the technical field of agriculture. The dressing of 100kg of wheat seeds dressing agent needs the following ingredients in usage amount: 100-140ml of alpha-cypermethrin, 20-40g of 25% tebuconazole wettable powder, 2-6ml of compound sodium nitrophenolate, 160-180g of potassium dihydrogen phosphate and 2-4kg of water. The wheat seed dressing agent is scientific in formula and simple in ingredient; through dressing the seeds with the formerly mentioned formula, the rate of seedling emergence of the wheat is increased by 12%, the yield is increased by more than 10%, the yield increasing effect is remarkable, and the quality of the wheat can be extremely improved.

The invention discloses an alpha-cypermethrin suspension preparation containing vegetable oil and derivatives thereof, as well as a preparation method and application of the alpha-cypermethrin suspension preparation. The alpha-cypermethrin suspension preparation comprises the following components in percentage by weight: 1-50% of alpha-cypermethrin, 1-40% of vegetable oil and derivatives thereof, 0.5-10% of wetting agent, 0.5-10% of dispersant, 2-15% of emulsifier, 0.05-5% of thickener, 0.05-5% of defoaming agent, 1-10% of anti-freezing agent, 0.1-10% of preservative and the balance of water, wherein the water is supplemented till 100%. The alpha-cypermethrin suspension preparation disclosed by the invention has the advantages of evaporation resistance, strong spreading and adhesive capacity of a medicament, strong permeability and the like by improving the original composition and adding the vegetable oil and the derivatives thereof, so that the biological activity of an original preparation product is improved, the using effect of the preparation in a field is significantly improved, and the preparation is used for controlling lepidoptera and hemiptera pests against a variety of crops.

The invention relates to a preparation technology of a long-acting mosquito and fly killing liquid. The preparation technology comprises the steps as follows: the long-acting mosquito and fly killing liquid is prepared by taking weighed meperfluthrin, 95% of alpha-cypermethrin, pyrethrin, piperonylbutoxide, permethrin, 90% of octachlorodipropyl ether, TX-10, 95% of alcohol, ZH-S1, sodium benzoate, polyvinyl formal and a mosquito ball spore bacterium liquid as raw materials and stirring the raw materials repeatedly and uniformly. According to the preparation technology, the medicine cost and the equipment cost are low, technological processes are few, and no harmful effect to the human body exists in a preparation process.

The invention relates to a long-acting liquid capable for killing mosquitoes and flies, and a preparation method thereof. The preparation method comprises the following steps: taking weighted meperfluthrin, 95% alpha-cypermethrin, pyrethrin, piperonyl butoxide, permethrin, 90% octachlorodipropyl ether, TX-10, 95% ethyl alcohol, sodium polyacrylate, sodium benzoate, polyvinyl formal and mosquito killing macrophomina phaseolina liquid as raw materials, and repeatedly and evenly stirring. The medicine has the advantages of low cost, low equipment cost and few technical processes, a manufacture process does not have a harm effect on a human body, and mosquitoes and flies immediately die if the mosquitoes and flies are in contact with the long-acting liquid.

The invention discloses a soaking preparation method of a mosquito repellent net. The soaking preparation method comprises the following steps: firstly, adding 100 g/L of alpha-cypermethrin suspendingagent and a curing agent into a soaking tank; diluting into 10 times of liquid with deionized water; stirring uniformly; putting a finished mosquito net into the soaking tank; completely immersing the mosquito net in the soaking liquid; soaking for 15 min; transferring the finished mosquito net to a drying barrel after soaking; drying; putting the dried finished mosquito net into an oven; curingat high temperature; finally cooling to obtain a mosquito repellent net; feeding into a packaging workshop; and folding and packaging the mosquito repellent net. The soaking preparation method provided by the invention has advantages of simple processing process, low preparation cost and long service time of finished products, combines physical prevention and chemical prevention of mosquitoes, cankill mosquitoes while repelling mosquitoes, has a lasting effect, and is also safe, tasteless and non-irritating to people.

The invention relates to a synergistic insecticidal composition containing lufenuron and a pyrethroid insecticide and its application. The synergistic insecticidal composition takes lufenuron and a pyrethroid insecticide as main effective components. The pyrethroid insecticide is any one of beta-cypermethrin, cyfluthrin, cyhalothrin, bifenthrin, alpha-cypermethrin, deltamethrin, fenvalerate, cypermethrin, fenpropathrin, silafluofen, lambda-cyhalothrin and ethofenprox. Specifically, the lufenuron and the pyrethroid insecticide are in a weight ratio of 0.1-80:0.1-50. The insecticidal composition can generate a high synergetic effect, overcomes and delays the insecticide resistance of pests, expands the prevention and control spectrum, has a fast insecticidal speed, and reduces the drug cost. The insecticidal composition provided in the invention can be used for controlling aphids, whiteflies and the like with similar resistance to Homoptera pests, and has an effect obviously higher than that of a single reagent.

The invention discloses a compound insecticidal composition containing pyridalyl and alpha-cypermethrin, and application thereof. The insecticidal composition uses pyridalyl and alpha-cypermethrin as insecticidal active components, wherein a weight ratio of pyridalyl to alpha-cypermethrin is 1-80: 1-80. The insecticidal composition can produce high synergistic effect, overcomes and delays pest resistance to insecticide, has a fast insecticidal speed and a long persistent period, reduces insecticidal cost and exerts obviously better prevention and treatment effects compared with prevention and treatment effects of each single insecticide in the composition. The insecticidal composition provided by the invention can prevent and treat lepidoptera pests attacking crops, especially cotton bollworm and stem borers, and has obviously better prevention and treatment effects compared with prevention and treatment effects of each single insecticide in the composition.

The invention provides a potato virus-free test-tube seedling direct transplanting method.The method is characterized in that after a potato virus-free test-tube seedling is cultured for 9-11 days in a tissue culture room under the conditions that the temperature is 22-24 DEG C and illumination intensity is 2200-2500 Lx, the potato virus-free test-tube seedling continues to be cultured for 5-8 days in the tissue culture room under the conditions that the temperature is 16-18 DEG C and illumination intensity is 2800-3000 Lx, the potato virus-free test-tube seedling is transplanted into a greenhouse, sprayed and sterilized with a mixture obtained after carbendazim with the concentration being 0.23-0.30g/m<2>, Yinfali with the concentration being 0.09-0.11 mg/m<2>, mancozeb with the concentration being 0.18-0.27 g/m<2> and alpha-cypermethrin with the concentration being 0.07-0.11 ml/m<2> are mixed and diluted by adding water with the concentration being 45-60 ml/m<2> before being transplanted to a seedbed medium.By means of potato virus-free test-tube seedling transplanting, the survival rate is high, the seedling hardening step and the seedling washing step are reduced, the production period is shortened, labor investment is reduced, and production cost of mother seeds of potatoes is reduced.

The invention discloses a peony-seed variety breeding medium. The peony-seed variety breeding medium is prepared from, by weight, 5-10 parts of ligusticum wallichii, 8-12 parts of alpha-cypermethrin, 1-3 parts of coptis chinensis powder, 3-5 parts of potassium chloride, 7-10 parts of sodium bicarbonate, 2-3 parts of polyethylene glycol and 4-6 parts of phenazine methosulfate. According to the peony-seed variety breeding medium, peony seeds only need to be put into the medium, and variety breeding can be completed, and is simple and convenient; the obtained peony seeds are high in variety variability, stable inheritance can be achieved, and the seed setting rate and the oil yield of peony plants are increased.