53 results about "Metolcarb" patented technology

The invention relates to a preparation method of a metal organic framework molecularly imprinted polymer used for enriching trace amounts of Metolcarb. A main technical point of the invention is that: a metal organic framework is adopted as a supporting body, Metolcarb is adopted as a template molecule, methacrylic acid is adopted as a functional monomer, tetraethoxy silane is adopted as a cross-linking agent, and acetonitrile is adopted as a solvent; and an absorption functional material with high selectivity upon Metolcarb is synthesized with an embedding method. The method provided by the invention has the advantages of low cost, simple synthesizing process, and easy-to-control reaction conditions. The prepared Metolcarb molecularly imprinted polymer can be used in the combination of solid-phase extraction concentration and high-performance liquid chromatography, and can be used in separation and enrichment of trace amounts of Metolcarb in various foodstuff samples.

The invention discloses an insecticidal composition containing sulfoxaflor and carbamates. The insecticidal composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is the sulfoxaflor; the active ingredient B is any of the following insecticides: carbaryl, indoxacarb, metolcarb, fenobucarb, and isoprocarb; and the weight ratio of the active ingredient A to the active ingredient B is 1-50 percent:1-80 percent. The composition can control various insect pests, has a remarkable synergistic effect, widens a bactericidal spectrum, and has relatively high activity on cotton bollworms, aphids, rice planthoppers, rice leafhoppers, and Cnaphalocrocis medinalis as well as Plutella xylostella, cabbage caterpillars and beet armyworms on cruciferous vegetables; the using amount of pesticides is reduced, the residual amount of the pesticides on crops is reduced, and the environmental pollution is reduced; and the insecticidal composition is safe to people and livestock, has high environmental compatibility, and ensures that pests cannot produce the pesticide resistance easily.

The invention relates to compound pesticide, which is compounded by compounding one or two of chlorpyrifos, buprofezin, metolcarb, soprocarb, and fenobucarb with thiamethoxam. The compound pesticide of the invention not only can eliminate the resistance of sucking agricultural pests such as aphids, planthopper, leafhopper, whiteflies, and so on caused by the excessive application of the thiamethoxam; but also can improve the prevention effect obviously.

A film-spreading oil agent capable of preventing and curing rice planthopper comprises the components by weight percent: 10-60 percent of effective component, 3-85 percent of additive, 0-70 percent of filling material, 5-14 percent of water surface diffusant, and 0-15 percent of water, wherein the effective component is one, or combination of any two selected from chlorpyrifos, diazinon, dichlorvos, imidacloprid, thiamethoxam, clothianidin, thiacloprid, thiazoline, nitenpyram, dinotefuran, pymetrozine, isoprocarb, fenobucarb, metolcarb, methyl carbamate, sulfoxaflor and flonicamid, and the weight ratio of the two effective components under two ways is (1:10)-(10:1). The oil agent has the technical effects that the effect of preventing and curing the rice planthopper is improved, the operation is simple, labor and time are saved, no harm is caused for human body, and no pollution is caused for the ambient condition when the oil agent is applied; moreover, the utilization ratio of the effective component is improved, the labor intensity is reduced, the labor is saved, and the agricultural production cost is reduced.

The invention relates to an ultra-low-volume liquid containing lufenuron and carbamate pesticide. Lufenuron and an active ingredient II are compounded to form a chemical component of the ultra-low-volume liquid, and remaining components of the ultra-low-volume liquid include a surfactant and a solvent. The active ingredient II is optionally one of carbosulfan, benfuracarb, nitrilacarb, fenobucarb, isoprocarb, triazamate, pirimicarb, metolcarb, dimethacarb, carbaryl, methiocarb, methomyl or thiodicarb. The ultra-low-volume liquid is convenient to process, long in lasting effect and high in work efficiency, targets cannot generate pesticide resistance easily, the environmental pollution is low, the pesticide and water are saved, the pesticide utilizing rate is improved, and various pests of rice, wheat, corns, vegetables, tobaccos, tea trees, fruit trees and sugarcane can be controlled by ultra-low-volume spraying, low-volume spraying or ultra-low-volume electrostatic spraying.

The invention discloses a synergistic pesticide composition and application thereof. The active components of the synergistic pesticide composition are flufiprole and carbamate pesticide, wherein the carbamate pesticide is one of fenobucarb, isoprocarb, carbosulfan, carbaryl, metolcarb, methomyl, pirimicarb and thiodicarb. The weight ratio of the flufiprole to the carbamate pesticide is (1:50) - (1:1), and the weight percentages of the flufiprole and the carbamate pesticide in the composition are both 2-80%. The synergistic pesticide composition is applied to preventing and controlling agricultural pests. Through the application of the synergistic pesticide composition, the control efficiency is obviously improved as compared with that of single dosage, the use amount of the pesticide is reduced, the influence of pesticide on environment is reduced, and the pesticide cost is lowered.

The invention discloses an insecticidal composition containing silvchongxian'an (with a full name of 3-bromo-N-(2,4-chloro-6-(methylformamide)phenyl)-1-(3,5-dichloro-2-pyridinyl)-1H-pyrazole-5-carboxamide and with CAS No. 1104384-14-6) and a carbamate. The effective active compositions comprise an active composition A and an active composition B, wherein the active composition A is silvchongxian'an, and the active composition B is any one compound selected from indoxacarb, isoprocarb, metolcarb, carbaryl and fenobucarb, and the weight ratio of the active composition A to the active composition B is 1:80-60:1. The composition has synergic effect on multiple insects harmful to agriculture production, the pesticide usage amount is reduced, the pesticide residual quantity on crops is reduced, the environment pollution is mitigated, and the composition is safe to people and livestock, good in environment compatibility and insusceptible to enable insects to generate pesticide resistance.

The invention discloses a high-efficiency insecticide composition which is composed of an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from tefluthrin, the active ingredient B is selected from any of the following compounds: indoxacarb, buprofezin, MTMC (Tolyl Methyl Carbamate) and isoprocarb, and the weight ratio of the active ingredient A to the active ingredient B is 1:70 to 70:1. The high-efficiency insecticide composition can prevent and control various insects, has an obvious synergism effect, expands an insecticidal spectrum, reduces the pesticide using amount, reduces the residual quantity of pesticide on the crop, and alleviates environmental pollution.

The invention provides a metolcarb piezoelectric immunosensor and a preparation method thereof. According to the metolcarb piezoelectric immunosensor, a multi-walled carbon nanotube and polyamide-amine dendrimer compound is dispensed on the surfaces of gold electrodes of piezoelectric quartz crystals, and a metolcarb polyclonal antibody is self-assembled and fixed by virtue of a large quantity of active amino groups on the surfaces of dendrimers, so that metolcarb in carbamate pesticides is directly and quantitatively detected. By virtue of the metolcarb piezoelectric immunosensor, the characteristics of high specific surface area of multi-walled carbon nanotubes and high-sensitivity detection of the active groups on the surfaces of the polyamide-amine dendrimers and a quartz crystal microbalance are effectively combined; the metolcarb piezoelectric immunosensor is simple to prepare; the conditions are liable to control; the prepared piezoelectric sensor has the advantages of high sensitivity and high reproducibility, and can be used for analyzing and detecting metolcarb in samples such as apple juice and orange juice.

The invention discloses an insecticidal composition containing bromantraniliprole and carbamates. The insecticidal composition contains an active ingredient A and an active ingredient B, wherein the active ingredient A is the bromantraniliprole; the active ingredient B is one of the following compounds: isoprocarb, metolcarb, indoxacarb and carbaryl; and the weight ratio of the active ingredient A to the active ingredient B is (1:70)-(50:1). The composition has an effect of synergizing various pests which endanger the agricultural production, is safe to people and livestock, and is high in environmental compatibility, the dosage of pesticides is reduced, the residual amount of the pesticides on crops is reduced, the environmental pollution is reduced, and the pests cannot produce pesticide resistance easily.

The invention relates to an ultra low volume concentrate containing metaflumizone and carbamate insecticides. The concentrate is characterized in that metaflumizone and an active ingredient II are compounded to form a chemical ingredient; other ingredients comprise a surfactant and a solvent; and the active ingredient II is any one of carbosulfan, benfuracarb, nitrilacarb, fenobucarb, isoprocarb, triazamate, pirimicarb, MTMC, dimethacarb, carbaryl, methiocarb, methomyl and thiodicarb. The concentrate has the following advantages that the concentrate is convenient to process, has long duration and high work efficiency, ensures the targets not to have drug resistance easily, is low in environmental pollution, saves drugs and water, improves the utilization rate of the pesticides and can be used for controlling various pests on rice, wheat, corn, vegetables, tobaccos, tea trees, fruit trees and sugarcanes through ultra low volume spraying, low volume spraying or ultra low volume electrostatic spraying.

The invention discloses a compound insecticidal composition containing flonicamid and metolcarb, and an application thereof. The synergistic insecticidal composition employs flonicamid and metolcarb as main effective components, wherein a weight ratio of flonicamid to metolcarb is 0.1-80 : 0.5-80. The insecticidal composition can produce a relatively high synergistic interaction effect, overcomes or delays pest resistance, has fast insecticidal speed and long efficacy duration, reduces pesticide cost and has a prevention effect obviously higher than that of a single dosage. The insecticidal composition can be used for preventing homoptera pests generated on crops, and is particularly suitable for preventing rice hopper and aphid, with an effect obviously higher than that of the single dosage.

The invention relates to a pesticide composition which is characterized by containing MTMC and pymetrozine with increased effect and effective dose, wherein preference of the weight ratio of the MTMC and the pymetrozine is 50:1 to 1:10; the better preference is 20:1 to 1:10; the specially better preference is 15:1 to 1:1; and the best preference is 11:1 to 1:1. The pesticide composition can be used for preparing dosage forms of missible oil, microemulsion agents, wettable powder agents, water dispersible granules agents, granular agents or suspending agents according to methods known by technicists in the technical field.

The invention discloses an insecticidal composition containing dicyclanil and a carbamate compound. The insecticidal composition contains an active component A and an active component with a weight ratio of 1:70-50:1, wherein the active component A is dicyclanil, and the active component B is any one compound selected from the following compounds: isoprocarb, metolcarb, indoxacarb and carbaryl. The composition of the invention has synergy effect on multiple insects harmful to agriculture production, helps to reduce pesticide use amount and reduce residual quantity of pesticides on crops, is safe to people and livestock, good in environmental compatibility and insusceptible to arousing drug resistance in the insects.

The invention discloses a method for detecting N-methyl carbamate pesticide residues. The method includes treating a water sample by means of extracting solid in advance; preparing a series of mixed methanol standard solutions of the N-methyl carbamate pesticide residues; analyzing the standard solutions by an ultra-fast chromatographic ultraviolet detector, and drawing a standard curve by using mass concentrations of the standard solutions as horizontal coordinates and peak areas of the standard solutions as vertical coordinates to obtain a standard curvilinear regression equation; and analyzing the water sample to be analyzed by the ultra-fast chromatographic ultraviolet detector and respectively computing mass concentrations of the N-methyl carbamate pesticide residues in the water sample to be analyzed according to the peak areas. By the aid of the method, a gap in the technology for detecting the N-methyl carbamate pesticide residues in environmental water is filled, mass concentrations of trace metolcarb, isoprocarb, diethofencarb and fenobucarb can be obtained simultaneously by one-step detection, and the method has the advantages of simplicity, capability of saving time, sensitivity and high efficiency. In addition, the ultra-fast liquid chromatographic ultraviolet detection method is universal and is popularized and applied easily.