74 results about "Quizalofop-ethyl" patented technology

A composite herbicide for rape field contains the pyrimidine benzylamine kind of herbicide, at least one of quizalofop-ethyl, fluazifop-p-butyl, haloxyfop, fenoxaprop and sethoxydim, acetochlor, alachlor, napropamide, ehaprochlor, metolachlor, ethamet sulfuron and benazolin. Its advantages are high effect, broad spectrum, low dosage and high safety.

Clear, high load water miscible emulsions of quinoxalinyl ester herbicides, particularly quizalofop-p-ethyl, as a single phase, translocatable composition which is free of xylene and alkylphenol ethoxylate surfactants and concentrate matrix for the active quinoxalinyl ester component at between about 9 and about 25 wt. % active concentration.

The invention relates to a convergence chromatography analytical method for residue of herbicides in tobacco and particularly relates to a method for detecting herbicides such as napropamide, alachlor, quizalofop-p-ethyl, diphenamid, metolachlor and clomazone in tobacco by virtue of a UPC<2>. The convergence chromatography analytical method comprises the following steps: firstly, carrying out extraction and primary decontamination on the herbicides contained in tobacco by virtue of a QuRChERS method; secondly, carrying out solid phase extraction purification on an extracting solution by virtue of a Florisil column so as to further reduce the interference of matrixes to a to-be-detected target; thirdly, detecting the herbicides by virtue of an ultra-performance convergence chromatographic instrument, and carrying out quantitative analysis by virtue of an external standard method. According to the convergence chromatography analytical method, all target substances can be analyzed within five minutes by virtue of the ultra-performance convergence chromatographic instrument, and the dosage of an organic solvent is extremely low in the analysis process; the convergence chromatography analytical method has the advantages of high efficiency, sensitivity and environment friendliness.

The invention relates to a new fragmentation chytrid variant. Especially, the invention relates to a fragmentation chytrid variant with improved DHA (docosahexaenoic acid) content and/or rapid growth speed and a method for producing DHA by utilizing the variant. Besides, the invention also relates to a method for producing the variant, comprising the steps of carrying out mutagenesis on fragmentation chytrid by adopting ultraviolet rays and screening a strain with rapid growth speed and high DHA content under selective pressure of an inhibitor (such as quizalofop) for fat synthesis key enzyme (acetyl coenzyme A carboxylase).

The invention relates to a synthetic method for quizalofop-p-ethyl, a high efficiency herbicide. The method comprises the four steps of water straining, substitution, rinsing and crystallization. According to the method, 6-chlorine-2-(4-hydroxyphenoxy)quinoxaline reacts with R(-)p-toluenesulfonyl ethyl lactate, alkali metal and salts thereof are employed as acid binding agents, a single organic solvent is employed as a reaction system, and solid-liquid separation is used for separating a product; the yield of the product exceeds 90%, the content of the product is about 97.5%, and the content of the active substance R is more than 94%. Compared to the conventional technology, the preparation method provided in the invention has the characteristics of little side reaction, a short flow, a stationary process, high yield of the product, high content of the active substance and low energy consumption.

A quizalofop-ethyl water suspending agent and a preparation method thereof belong to the technical field of herbicide containing a heterocyclic compound. The problem to be solved is as follows: the missible oil preparation in the prior art adopts a plurality of organic solvent and the active ingredient is low. The quizalofop-ethyl water suspending agent and the preparation method thereof have the key technical point that: quizalofop-ethyl is matched with a suitable moistening dispersing agent, an osmotic agent, a thickening agent, an antifreezing agent, a defoaming agent, water, etc., which are evenly dispersed in a water phase through mixing sand grind, thereby making a water based agricultural chemical preparation with high concentration. The preparation method uses less dosage, can save a plurality of wrappages and can effectively reduce the pollution of the environment and the disservice of a medicine applying person.

The invention relates to a combined weed control formulation containing quizalofop-p-ethyl, fomesafen and clomazone and a preparation method thereof. The preparation method comprises the following steps: adopting an emulsifiable solution formulation, in which the total weight of the quizalofop-p-ethyl, the fomesafen and the clomazone is 18 percent; and the fomesafen is mixed with organic amine in advance to form salts according to the proportion of 1:5-5:1 by percentage by weight, so that the salts can be dissolved in vegetable oil or derivatives of the vegetable oil; and mixing the salts with the quizalofop-p-ethyl and the clomazone, adding 1 to 3 weight percent of isobutyl alcohol and 5 to 10 weight percent of emulsifier into the mixture to give the emulsifiable solution with transparent and uniform state, and taking the balance as the vegetable oil or the derivatives of the vegetable oil of a solvent. Compared with the prior art, the combined weed control formulation has the advantages that the reaction of raw medicines of diphenyl ether substances such as the fomesafen, and the like and the organic amine is performed to generate amine salts in advance, so that the amine salts can be dissolved in an environment-friendly vegetable oil solvent to realize the abandon of the prior solvent which is harmful to the environment and represented by DMF.

The invention discloses rice ACCase mutant protein. An amino acid sequence of the ACCase mutant protein has one or more types of mutations corresponding to mutations of the 1796th locus, the 1797th locus, the 1835th locus, the 1875th locus, the 2010th locus, the 2050th locus, the 2060th locus, the 2070th locus and the 2106th locus of a wild-type rice ACCase amino acid sequence. The invention further discloses a nucleic acid or a gene which codes the protein. By a transgenic method, the mutant gene is expressed in herbicide-sensitive rice, and plants containing the mutant protein are resistantto acetyl coenzyme A carboxylase herbicides. After application of 3mL quizalofop-ethyl/L water (twice of recommended concentration) to three-leaf rice seedlings containing the rice ACCase mutant protein, the plants still grow, develop and fruit normally.

The invention relates to the technical field of herbicides, and in particular relates to a weeding composition and a special herbicide for a nursery hedge. The weeding composition is composed of threeeffective components A, B and C, A is oxyfluorfen, B is any one of pendimethalin, metolachlor and S-metolachlor; and C is any one of quizalofop-p-ethyl, high-efficiency fluazifop-butyl, fluazifop-p-butyl and clethodim; and the weight ratio of A, B and C is (0.1-90) : (0.1-90): (0.1-90). The compound A, the compound B and the compound C are compounded, and the co-toxicity coefficient of the weeding composition is 120, the weeding composition has a synergistic effect; and the weeding composition is good in prevention and treatment effects and fast in effectiveness, the weeds can be killed thoroughly, the gramineous and broad-leaf weeds can be removed, the use amount of the pesticides can be reduced, the drug resistance of weeds can be delayed, and the safety is high.

The invention discloses a quizalofop-ethyl, quinclorac and phoxim composite microemulsion, which consists of the following components in percentage by weight: 5 to 10 percent of quizalofop-ethyl, 13 to 23 percent of quinclorac, 6 to 13 percent of phoxim, 2 to 10 percent of calcium dodecylbenzene sulfonate, 2 to 8 percent of phenethylphenol polyoxyethylene ether and the balance of cyclohexanone. The quizalofop-ethyl, quinclorac and phoxim composite microemulsion compound herbicide not only can treat broad-leaf weeds but also can be used for weeding in paddy fields, and therefore has multiple effects, and thereby the cost can be reduced.

A special flax weedicide and a preparation method thereof belong to the chemical medicine and production technology. The weedicide consists of isooctyl 2-methyl-4-chloro, quizalofop-ethyl, bromoxynil octanoate, emulsifier and dimethylbenzene solution. Partial dimethylbenzene solution is injected into a reaction kettle, all quizalofop-ethyl and bromoxynil octanoate are sequentially poured into the reaction kettle under the state of stirring to be stirred; after the quizalofop-ethyl and the bromoxynil octanoate are solved, all isooctyl 2-methyl-4-chloro and emulsifier and the rest dimethylbenzene solution are poured into the reaction kettle to be stirred and then a sample is taken for analyzing, if the sample is eligible, the preparation is obtained. The weedicide has the characteristics of wide weed control spectrum, low cost, high efficiency of killing weeds, improving the yield of the flax, ensuring economic benefit and simple preparation method.

The invention discloses water-dispersible granules containing glufosinate-ammonium, fluoroglycofen-ethyl and quizalofop-p-ethyl and belongs to the field of weeding. The water-dispersible granules contain the following ingredients in percentage by weight: 30%-60% of glufosinate-ammonium, 1%-10% of fluoroglycofen-ethyl, 5%-12% of quizalofop-p-ethyl, 2%-5% of humectant, 2%-5% of dispersant, 1%-3% ofdisintegrant, 2%-4% of organosilicone surfactant and the balance of fillers. The water-dispersible granules containing the glufosinate-ammonium, the fluoroglycofen-ethyl and the quizalofop-p-ethyl, disclosed by the invention, are good in weeding effect, the consumption of pesticides is lowered, and the potency is stable.

The invention discloses an achromobacter. The achromobacter is classified and named as Achromobacter sp, has a strain name of MBZ-2, is preserved in the China General Microbiological Culture Collection Center on August 13, 2020, and has a preservation number of CGMCC No. 20529. The achromobacter can effectively degrade p-toluenesulfonic acid and a downstream product herbicide quizalofop-p-ethyl.

The invention discloses a weeding composition containing bentazone, acifluorfen-sodium and quizalofo-P-ethyl. The weeding composition adopts the bentazone, the acifluorfen-sodium and the quizalofo-P-ethyl as main effective components, wherein a mass ratio of the bentazone to the acifluorfen-sodium to the quizalofo-P-ethyl is 1:60:1-60:1-60. The weeding composition provided by the present invention can be applicable for weeding in the soybean field after seedling, specifically provides significant effects for prevention and elimination of various grassy weeds, broadleaf weeds and papyrus in the soybean field. Compared to the single weed killer, in the premise of improvement of the efficacy, the weeding composition provided by the present invention delays the resistance generating of the weeds, and has wide weeding spectrum and long effective duration, and provides safeties for the soybean and the succeeding crops.

The invention belongs to the field of analytical chemistry and the technical field of pesticide residue detection, particularly discloses a method for splitting and determining chiral pesticide quizalofop-ethyl and fluazifop-butyl enantiomers by super high performance combined chromatography-tandem mass spectrometry, and relates to a splitting and quantifying method for enantiomers of chiral pesticides. According to the method, quizalofop-ethyl and fluazifop-butyl in tobacco and dried fruit are extracted by adopting a QuEChERS method; enantiomers of two chiral pesticides of the quizalofop-ethyl and the fluazifop-butyl are simultaneously detected by combining combined chromatography chiral stationary phase with triple quadrupole tandem mass spectrometry; the detection limits of the method are respectively 0.0018 and 0.0016 mg/kg. By the method, the quizalofop-ethyl and the fluazifop-butyl are chirally separated rapidly by adopting combined chromatography for the first time; the use of alarge number of organic solvents is reduced by taking supercritical CO2 as a moving phase, so that the method is green and environmentally friendly. The method provided by the invention is high in analysis speed by adopting the combined chromatography; the time consumption is only five minutes; the sensitivity is high; the separation degree between chiral isomers is high.

The invention belongs to the technical field of pesticides and discloses a mixed herbicide containing sulfentrazone and quizalofop-p-ethyl. The sulfentrazone and the quizalofop-p-ethyl are employed in the herbicide as main active components according to the mass ratio of 0.1-80:0.1-80. The mixed herbicide can be applied for weeding fields of sugarcanes, corns, soybeans, peanuts, citrus, sorghums and sunflowers, safe and environment-friendly, and is an excellent chemical herbicide for the sugarcanes, corns, soybeans, peanuts, citrus, sorghums, sunflowers, and the like crops.

A cultivation method for preventing peanut field weeds belongs to the technical field of peanut field weed prevention and efficient cultivation. The method comprises, before peanut is seeded, sufficiently applying base fertilizer composed of elements such as urea, diammonium phosphate, ammonium sulfate and sustained-release potassium sulfate, and organic fertilizer composed of plant ash and castor cakes; instantly covering earth after sowing, one-time spraying 23.5% oxyfluorfen emulsifiable concentrate, 33% pendimethalin emulsifiable concentrate, 96% s-metolachlor emulsifiable concentrate, 10.8% quizalofop-p-ethyl emulsifiable concentrate, 30% phoxim microcapsule suspension, 4.5% efficient cypermethrin emulsifiable concentrate and 50% carbendazim emulsifiable concentrate. The cultivation method for preventing the peanut field weeds is simple in operation, saves labor and can comprehensively prevent diseases, insect pests and weeds in peanut fields and obtain obvious economic benefits.

The invention discloses an aryloxyphenoxypropionate herbicide degradation strain and a fungicide production method thereof, the aryloxyphenoxypropionate herbicide degradation strain is classified and named as Sphingobium sp., and is preserved in the China Center for Type Culture Collection on October 22, 2019, and the preservation number of the strain is CCTCC NO: M 2019847. A process for producing the fungicide from the herbicide residue degrading strain comprises slant strain, shake flask strain, seed tank, production tank and product, and the packaging dosage form is a liquid microbial agent or a solid adsorption microbial agent. Aiming at the actual problems and requirements of environment restoration, the novel pesticide residue restoration fungicide is developed and researched, by using the fungicide, the residual quantity of aryloxy phenoxypropionate herbicides such as quizalofop-p-ethyl, fenoxaprop-p-ethyl and fluazifop-p-butyl can be reduced by 85% or above, and the production and use cost is low.

Mutant rice resistant/tolerant to ACCase inhibiting herbicides, in particular FOP herbicides, are listed in Table 1. The ACCase inhibitng herbicides used for selection include quizalofop. An exemplary mutant rice tolerant to an ACCase herbicide is disclosed, with a rice genome having G2096S or the equivalent, in the carboxyl transferase domain of the ACCase coding gene, using the Black-Grass numbering system. This mutation shows differential response to FOPs vs. DIMs herbicides, and a greater differential with comparable non-resistant rice lines. Methods to control weeds and methods to produce herbicide resistant rice including transgenic rice, are disclosed.

The invention relates to the technical field of herbicides, in particular to a weeding composition and a preparation thereof. The weeding composition is prepared from three active components of A, B and C; A is fluroxypyr or fluroxypyr-mepthyl; B is any one of oxyfluorfen, pyrazosulfuron-ethyl and bensulfuron-methyl; C is any one of quizalofop-p-ethyl, haloxyfop-R-methyl, fluazifop P butyl and quizalofop-P-tefuryl; and the weight ratio of A to B to C is (0.1 to 90):(0.1 to 90):(0.1 to 90). According to the composition, the compounds A, B, and C are compounded, the cotoxicity coefficient is larger than 120, and the obvious synergy effect is shown; and the number of pesticide applying times can be decreased, the pesticide applying amount is decreased, the weeding labor and material costs arereduced, and the weeding composition is suitable for prevention and control of ground cover plants.

The present invention is dry quizalofop-ethyl suspension and its preparation process. The preparation process of the dry quizalofop-ethyl suspension includes first airflow crushing of quizalofop-ethyl, emulsifier and additive, the subsequent stoving and final preparation of dry quizalofop-ethyl suspension in a pelletizing apparatus. The dry quizalofop-ethyl suspension has herbicidal effect higher than that of copper solution, effective period as long as 60-70 days and other advantages.

The invention discloses a weeding composition containing quizalofop-p-ethyl and flumetsulam and a preparation method of the weeding composition. The product can disperse an oil suspending agent weeding composition, a water suspending agent weeding composition, a wettable powder weeding composition and a water dispersible granule weeding composition. The active ingredients in the dispersible oil suspending agent weeding composition, the water suspending agent weeding composition, the wettable powder weeding composition and the water dispersible granule weeding composition comprise quizalofop-p-ethyl and flumetsulam, and the mass ratio of quizalofop-p-ethyl to flumetsulam is (5-100): (0.1-10). The herbicidal composition provided by the invention has the advantages that the pesticide effect is improved, the weed resistance is delayed, the service life of each component is prolonged, the herbicidal spectrum is expanded, almost all weeds in the field can be solved by using the herbicidal composition once, the pesticide cost is saved, the time and labor are saved, the safety is high, and the herbicidal composition is high in cost performance, low in toxicity and high in efficiency.

The invention discloses a quizalofop-ethyl-fluorine EC, comprising the following components in percentage by weight: 13-17% of fomesafen, 1-5% of quizalofop-ethyl, 2-6% ofcalcium dodecyl benzene sulfonate, 3-9% of phenethyl phenol polyoxyethylene ether and 67-77% of dimethylbenzene. The effective components of the product provided by the invention are fomesafen and quizalofop-ethyl. The fomesafen, the quizalofop-ethyl and fillers are compounded to be a quizalofop-ethyl-fluorine sulfanilamide compound pesticide according to a certain proportion, which delays the drug resistance of crops, improves the control efficiency of the pesticide, develops the advantages of each drug, reduces the cost, has obvious work-saving benefit and improves the economic benefit.

The invention discloses a suspending agent auxiliary agent prepared by compounding glufosinate ammonium with quizalofop-p-ethyl and oxyfluorfen. The auxiliary agent is composed of the following components in percentage by mass: 1%-40% of styrylphenol polyoxyethylene ether phosphate, 1%-45% of a polycarboxylate dispersant, 1%-20% of lauramide propyl amine oxide, 1%-20% of dioctyl sodium sulfosuccinate and water. The auxiliary agent provided by the invention enables the dispersion and suspension performance of the pesticide composition to be stable, has an obvious synergistic effect, obviously delays the generation of weed resistance, reduces the number of times of repeated use of pesticides, and reduces the agricultural cost.

The invention relates to the technical field of preparation and application of chiral high performance liquid chromatography column materials, and discloses preparation and application of two beta-CD-MOFs high performance liquid chromatography chiral column materials, and an HPLC chiral column prepared from the beta-CD-MOFs materials can be used for splitting enantiomers of chiral substances. The preparation comprises the following steps: 1, constructing a chiral environment by using the beta-CD-MOFs material, bonding the chiral environment with high performance liquid chromatography silicon beads to form a stationary phase filler, and further preparing the chiral column which is applied to high performance liquid chromatography; 2, finding the optimal formula and conditions through proper characterization means, and optimizing the method and the conditions; 3, the preparation method of the oxaprop-p-ethyl and chlorpheniramine maleate single enantiomer can be established by using the prepared beta-CD-MOFs chiral column. and 4, the prepared beta-CD-MOFs chiral column can be used for separating the chiral compound, and a method for separating and qualitatively and quantitatively analyzing enantiomers of nine chiral substances, namely oxaprop-p-ethyl, quizalofop-p-ethyl, fluralan, bifenthrin, ranolazine, ornidazole, doxazosin, chlorpheniramine maleate and dropropizine is established.

The invention belongs to the technical field of pesticides, and relates to a honeysuckle herbicide composition and application. The composition is an AB or AC type honeysuckle stem and leaf broad-spectrum herbicide employing bentazone (A), efficient haloxyfop-methyl (B) and quizalofop-p-ethyl (C) as active ingredients, and is safe to honeysuckles. The composition can be industrially produced into a complex agent or an auxiliary, and can also be used after being ready. The composition is characterized in that the active ingredients in the AB or AC type composition are used for preventing and removing different communities of weeds, and have unremarkable synergistic effects, so that the active ingredients are required to be mixed for use according to the active ingredient using standards of A, B and C in independent weed prevention and removal when the composition is prepared. A using method is flexible, namely A and B or A and C can be separately sprayed, and can also be used after being mixed, and each weed plant is required to be in contact with the herbicide during spraying. According to the composition, the active ingredients have remarkable complementary effects, the composition is wide in weeding spectrum and convenient to use, and has remarkable effects, and good technical support is provided for the chemical weeding of honeysuckles.