19 results about "Deltamethrin" patented technology

The present application relates to the technical field of pesticides, and discloses application of a suspension composition containing cyromazine to the prevention and treatment of liriomyza trifolii. The suspension composition is composed of cyromazine, deltamethrin and an auxiliary agent, and is prepared into a suspension agent, wherein the weight ratio of cyromazine to deltamethrin is 10:1-14:1. The suspension composition of the present application fills the market gap of the currently available pesticide without mixed composition for the prevention and treatment of liriomyza trifolii, has a good prevention and treatment effect on liriomyza trifolii, delays drug resistance, reduces the use amount of pesticides, reduces the use cost of farmers, is conducive to environmental protection and food safety, and is environmentally friendly.

The invention relates to the technical field of microbial degradation detection, and provides a deltamethrin detection device for microbial degradation, the deltamethrin detection device comprises a control assembly and an extraction assembly installed on the lower side of the control assembly, the control assembly comprises a shell and a handle installed on the upper side of the shell; the extraction assembly comprises a mounting shell mounted on the lower side of the shell, a pressing assembly movably mounted on the mounting shell, a rotating piece rotatably mounted on the mounting shell, and a sampling assembly detachably mounted on the pressing assembly; the sampling assembly can be pushed by the pressing assembly to move relative to the rotating part, and the sampling assembly comprises a plurality of sampling bottles arranged in the axial direction of the rotating part. The deltamethrin detection equipment for microbial degradation provided by the invention can realize simultaneous sampling of solutions at different depths, and is convenient to carry by an operator.

The invention discloses a method for controlling flies by using an insecticide, the insecticide is sprayed outdoors, the insecticide comprises pyriproxyfen, deltamethrin, an auxiliary agent and other excipients, the insecticide is prepared into a suspending agent, the weight ratio of the pyriproxyfen to the deltamethrin is 7: 3, the spraying amount is 0.5 L / m < 2 >-5L / m < 2 >, and the outdoors can be a farm, a wasteyard and a fly breeding place. The fly control method can effectively inhibit eclosion of houseflies, and has a good lethal effect on sanitary pests such as fly larvae and mosquitoes.

The application discloses a nucleic acid aptamer specifically combined with bromocyclen and chlorocyclen, and a screening method and application thereof. The nucleic acid aptamer is named seq-8, and the nucleotide sequence is shown as SEQ ID NO. 1. The application takes bromocyclen and chlorocyclen as targets, and obtains the bromocyclen and chlorocyclen specific aptamer seq-8 through a non-immobilized Capture-SELEX technology. On the basis, a 29 bp nucleic acid aptamer 8-cut is obtained by truncation. The nucleic acid aptamer 8-cut has high affinity to bromocyclen and chlorocyclen, and the Kd values are 0.1394 nM and 0.2974 nM respectively. The aptamer provided by the application has high specific binding capacity to the two kinds of pesticides, and provides an important technical basis for rapid and nondestructive detection of bromocyclen and chlorocyclen in horticultural crops.

1. The name of the design product: packaging box (Kemida 1% deltamethrin bacteriostatic liquid outer packaging). 2. The use of the design product: for packaging box. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of pesticides, and discloses a pesticide composition and application thereof. The effective active components of the pesticide composition comprise thiamethoxam and deltamethrin, and the weight ratio of thiamethoxam to deltamethrin is (39: 5)-(1: 1), and optionally (39: 5)-(29: 5). The pesticide composition disclosed by the invention is combined and used according to a ratio to be prepared into a microcapsule suspension-suspending agent, has a more remarkable prevention and treatment effect, can effectively prevent and treat spinach aphids, is quick-acting and lasting, can better solve the problems of strong pesticide irritation and easiness in causing skin pain and itching in the pharmaceutical and use processes, can also reduce the cost, and has a good application prospect. The pollution of pesticide residues to the environment is reduced, the usability is improved, and pesticide poisoning accidents are reduced.

The invention provides repellent insect-proof packaging paper, which is prepared from the following raw materials in percentage by weight: 50 to 70 percent of paper pulp fiber, 10 to 20 percent of insect-proof compound, 1 to 3 percent of nano-silver composite microsphere, 0.5 to 2 percent of synergistic ether, 5 to 15 percent of light calcium carbonate, 3 to 8 percent of starch glue and 1 to 3 percent of waterproof agent. The insect prevention compound is a deltamethrin / nano-zinc oxide compound coated by microcapsules, and the nano-silver composite microspheres are cellulose microspheres loaded with nano-silver. The preparation method comprises the following steps: uniformly mixing the raw material components, forming by a paper machine, squeezing, drying and calendering. Long-acting slow release of insect-repelling components is achieved through the microcapsule technology, the material is endowed with excellent antibacterial and insect-preventing performance through the nano-silver composite microspheres, meanwhile, the advantages of good mechanical strength, moisture resistance and production cost are considered, and the environment-friendly insect-preventing packaging material is suitable for environment-friendly insect-preventing packaging in the fields of grains, food, medicinal materials and the like.

The application relates to the technical field of insect-proof and bacteriostatic materials, and discloses a slow-release insect-proof and bacteriostatic material for specimen preparation and a preparation method thereof. The formula of the insect-proof and bacteriostatic material is as follows: modified diatomite-cellulose supported insect repellent, modified diatomite-cellulose supported insect repellent, modified diatomite-cellulose supported bacteriostatic agent, chitosan, glycerol and titanium dioxide. The modified diatomite-cellulose supported insect repellent, the modified diatomite-cellulose supported insect repellent and the modified diatomite-cellulose supported bacteriostatic agent can not only load active components through physical adsorption, but also load active components through hydrogen bond action and / or pi-pi stacking action, so that the problems of poor stability and durability of active components, such as bromocyclen insect repellent, menthol insect repellent and tea polyphenol bacteriostatic agent, are solved. The slow-release insect-proof and bacteriostatic material has a slow-release effect, can provide long-acting and stable insect-proof and bacteriostatic functions, and can be applied to animal fur specimens or plant leaf specimens.

The present disclosures present a insecticidal composition comprising a combination of active ingredients, Spinosad, Pyriproxyfen, and Deltamethrin and methods of preparing and using such compositions. The present disclosure aims to provide enhanced control of a variety of insect pests affecting crops, with a synergistic effect that improves efficacy compared to individual components.

The invention provides a biomass charcoal adsorption material and a preparation method thereof, and belongs to the field of pesticide degradation. The preparation method comprises the following steps: preparing biochar, preparing modified biochar and compounding. The compounding method comprises the following steps: adding modified biochar, bacillus subtilis, pseudomonas FH2, bacillus licheniformis and phanerochaete chrysosporium into deionized water, stirring, filtering, adding a filter cake into a chitosan solution, then adding Tween 60, stirring for 2-3 hours at the speed of 500-600r / min, slowly dropwise adding a glutaraldehyde solution, continuously stirring for 8-10 hours after dropwise adding, finally centrifuging at the speed of 7000-8000r / min, and drying to obtain the biochar composite material. Collecting solids, and drying to obtain a biomass charcoal adsorption material; the biomass charcoal adsorption material disclosed by the invention has broad spectrum on pesticide degradation, the degradation rate on trichlorfon reaches 87 to 89 percent, the degradation rate on acetamiprid reaches 89 to 93 percent, the degradation rate on deltamethrin reaches 93 to 96 percent, and the degradation rate on DDT reaches 65 to 70 percent.

The present invention relates to an amorphous form of deltamethrin, which is a pyrethroid compound useful as a pest control agent. The present invention further relates to a process of preparing the novel amorphous form, and to methods of controlling pests using the novel amorphous form.

The present application relates to a kind of chiral cyan compounds and its preparation method and application in the prevention and treatment of aphid, chiral cyan compound has nitrogen nitrogen bond, cyan group and quaternary carbon chiral center etc. Characteristic, it can be used as important chiral synthesis building block, also can become the candidate skeleton of new pesticide active molecule. Based on its structural characteristics, it can be used as the active ingredient of insecticide, especially suitable for the prevention and treatment of aphid;Through the detection of insecticidal rate and LC50 value, it is found that some compounds show better insecticidal activity than deltamethrin, showing strong application potential.

The present application relates to the technical field of pesticides, and discloses a kind of methoxyfenozide-containing insecticidal composition, specifically to a kind of methoxyfenozide and deltamethrin insecticidal composition for controlling pests is applied, the sweet potato night moth of the pests.The insecticidal composition is composed of methoxyfenozide, deltamethrin, adjuvant and other excipients, and is made into suspension concentrate, wherein the weight ratio of methoxyfenozide and deltamethrin is 27:3~3:19.The insecticidal composition can improve the efficiency of pesticide use, improve the effect of controlling sweet potato night moth, has obvious synergistic effect, reduces the amount of pesticide use, reduces the cost of farmers' medication, and is beneficial to environment, food safety and environmental protection.

The invention provides a cold fuming agent and a preparation method and grain storage application thereof, and belongs to the technical field of cold fuming agents. The cold fuming agent provided by the invention comprises the following components in percentage by mass: 3-20% of an insecticidal active compound, 10-16% of a fuming agent, 10-15% of a combustion improver, 20-40% of a filler and 10-30% of a stabilizer, the insecticidal active compound comprises one of spinosad and pirimiphos-methyl and deltamethrin. According to the present invention, the two insecticidal active compounds are adopted, the compounding of the two active compounds provides the synergistic effect, the variety of the insecticidal active compounds is controlled, and the antagonism effect can be avoided by selecting the insecticides with different insecticidal mechanisms, such that the use dosage of the insecticidal active compounds is reduced, the prevention and control effect is improved, and the cold fuming agent has characteristics of simple operation and good safety.

The invention relates to a magnetic solid-phase extraction method for pyrethroid insecticides in fruits and vegetables based on a Fe3O4-coated CS-coated AA material. The magnetic solid-phase extraction method comprises the following steps: S1, synthesizing a Fe3O4-coated CS-coated AA magnetic adsorbent; s2, preparing a fruit and vegetable sample; s3, magnetic solid phase extraction; s4, determining by using a gas chromatography-mass spectrometry method; fe3O4 nano magnetic particles are embedded in chitosan gel, then acrylic acid is grafted on chitosan molecules for modification, the Fe3O4 CS AA magnetic adsorbent is prepared through glutaraldehyde curing and crosslinking, and based on the fact that the chitosan molecules contain a large number of-OH and-NH2 and-COOH active groups in acrylic acid, the Fe3O4 CS AA magnetic adsorbent and pyrethroid pesticide compounds form intermolecular hydrogen-bond interaction, so that the magnetic adsorbent can be used for adsorbing the pyrethroid pesticide compounds. Therefore, target component extraction is realized, and the method for determining deltamethrin and cyhalothrin pesticide residues in fruits and vegetables by combining magnetic solid-phase extraction with gas chromatography-mass spectrometry is established.

The invention discloses an aspergillus niger repairing agent for deltamethrin-polluted soil and a preparation method thereof, and relates to the field of logistics monitoring, and the preparation method comprises the following steps: preparing a liquid culture system containing deltamethrin, setting deltamethrin concentration gradient ladder domestication and continuous passage, executing domesticated thallus collection and dry thallus mass normalization, and obtaining the deltamethrin-polluted soil. And executing esterase activity detection and activity improvement amplitude confirmation of unit dry thalli. Through gradient domestication and esterase activity threshold screening, a functional flora with high adaptability and high hydrolysis ability to deltamethrin is constructed, and the functional flora is combined with a magnetic response porous carrier and a cross-linked microcapsule structure to realize thallus activity protection, directional release and engineering addition. By synchronously monitoring the change trend of deltamethrin and 3-phenoxy benzoic acid and implementing segmented addition and reactivation utilization, the pollutant removal efficiency is effectively improved, the accumulation risk of intermediate products is reduced, meanwhile, recovery and recycling of a repairing agent are achieved, and the repairing effect, cost control and field operability are considered.

The invention relates to a cold smoke smoking insect killing device of a bucket elevator. The cold fuming smoking tank volatilizes deltamethrin dust and is arranged in the fuming cavity, the fuming cavity is provided with a smoke outlet, the smoke conveying pipe comprises an inner pipe and an outer pipe which are sleeved with each other, the first end of the inner pipe is flush with the first end of the outer pipe and is communicated with the smoke outlet at the same time, and the second end of the inner pipe extends out of the second end of the outer pipe; the second end of the outer pipe is communicated with an inlet of the bucket elevator, the second end of the inner pipe is inserted from the inlet of the bucket elevator so as to extend into a communication channel on the lower portion of a left cavity and the lower portion of a right cavity of the bucket elevator, the inner pipe is a hose, and a plurality of smoke distribution openings are formed in the upper side of the second end of the inner pipe at intervals in the length direction of the inner pipe. The smoke distribution openings cover communicating channels on the lower portions of the left cavity and the right cavity of the bucket elevator, and a plurality of electromagnets are arranged on the lower side of the second end of the inner pipe in the length direction at intervals so that the second end of the inner pipe can be driven to be attracted to a bottom plate of the bucket elevator after being powered on. And deltamethrin dust can be more uniformly distributed in the bucket elevator.

The invention relates to the technical field of insect-proof and antibacterial materials, and discloses an insect-proof and antibacterial material for slow-release specimen preparation and a preparation method of the insect-proof and antibacterial material. The formula of the insect-proof and bacteriostatic material comprises a modified diatomite-cellulose supported insecticide, a modified diatomite-cellulose supported insecticide, a modified diatomite-cellulose supported bacteriostatic agent, chitosan, glycerol and titanium dioxide. By preparing the modified diatomite-cellulose supported insecticide, the modified diatomite-cellulose supported insect repellant and the modified diatomite-cellulose supported bacteriostatic agent, not only can active components be loaded through physical adsorption, but also the active components can be loaded through hydrogen-bond interaction and / or pi-pi accumulation. The problems that the stability and durability of the active components deltamethrin insecticide, menthol insecticide and tea polyphenol bacteriostatic agent are poor are solved, the slow release effect is achieved, the long-acting and stable insect prevention and bacteriostasis functions can be provided, and the insecticide can be applied to animal fur specimens or plant leaf specimens.

A method for determining residual pesticides in primary agricultural products by an LPME-GC method based on pre-column separation comprises the following steps: preparing a sample solution: the primary agricultural products are tomatoes, oranges, rice, tea leaves and bulbus fritillariae thunbergii, the residual pesticides are fenpropathrin, fenvalerate and deltamethrin, and a solvent is n-hexane; the LPME technology is a hollow fiber membrane liquid-liquid two-phase liquid phase microextraction method, and the extraction agent is n-hexyl-3-methylimidazolium hexafluorophosphate room temperature ionic liquid; pre-column separation of the extraction agent: carrying out pre-column separation of the extraction agent by adopting a full-automatic split type extraction agent separator, wherein filter cotton for preventing the extraction agent from entering a chromatographic column is arranged in the separator; residual pesticide GC analysis: the residual pesticide in the concentrated solution is driven by carrier gas, flows through a GC instrument sample inlet, flows into a GC instrument and then is subjected to chromatographic analysis. The method provided by the invention has the advantages of convenient sample pretreatment, high sensitivity, good linearity and high precision, and is suitable for determination of residual pesticides in primary agricultural products.