33 results about "Metribuzin" patented technology

This invention provides a pretreatment method for detecting metribuzin in soil and broad beans using liquid chromatography-mass spectrometry (LC-MS / MS). The method includes: weighing 10.0 g of soil into a 50.0 ml centrifuge tube, adding 10.0 ml of acetonitrile, vortexing for 3.0 min, adding 3.0 g of NaCl, vortexing for 1.0 min, centrifuging at 5000 rpm for 5.0 min, taking 1.5 ml of the supernatant and adding it to a 2.5 ml centrifuge tube containing 25.0 mg PSA, 25.0 mg C18, and 100 mg anhydrous MgSO4, vortexing for 1.0 min, centrifuging at 8000 rpm for 3.0 min, aspirating the supernatant with a 5.0 ml syringe, filtering through a membrane, and transferring to a 2.5 ml brown sample bottle. This invention is applicable to the detection of metribuzin residues in broad beans, a specialty crop grown in high-altitude regions.

The application discloses a kind of herbicidal compositions, the composition includes active ingredient A and active ingredient B, wherein active ingredient A is formula (I) compound, active ingredient B is selected from one or more of pendimethalin, flufenacet and oxaziclomefone.The mass ratio of active ingredient A and active ingredient B of the composition is 1:50-50:1.The component of the application is reasonable, and the activity and herbicidal effect are not simply superimposed of each component, compared with single preparation, with the characteristics of significant herbicidal effect, low drug dosage, broad spectrum of weeds, good crop safety.

The invention belongs to the field of pesticides, and particularly relates to a ternary weeding composition and application thereof. The ternary weeding composition comprises an active component A, an active component B and an active component C with effective weeding amounts, and the active component A is dichloro clomazone or dichloro clomazone; the active ingredient B is isoxaflutole, toprazole fluridone or mesotrione; the active ingredient C is metribuzin. The composition can be used for effectively preventing and removing various weeds such as gramineous weeds and broadleaf weeds, and has the characteristics of expanding the herbicide controlling spectrum, reducing the application amount, generating a synergistic effect, solving resistant weeds and the like.

The invention relates to a herbicide composition, the active ingredients of which contain butachlor, clomazone and oxaziclomefone, and an optional herbicide safener. Wherein the butachlor, the clomazone and the oxaziclomefone are compounded, so that a synergistic effect is achieved. The herbicide composition can further comprise an agriculturally acceptable auxiliary agent and a carrier, and can be prepared into agriculturally acceptable dosage forms. In addition, the invention also relates to an application of the herbicide composition for preventing and treating agricultural weeds.

The invention relates to the technical field of pesticides, and discloses a weeding composition and application thereof. The effective components of the weeding composition comprise mesosulfuron-methyl, isoproturon and metribuzin. The weeding composition can be applied to prevention and treatment of annual weeds in wheat crop fields. The invention provides a mesosulfuron, isoproturon and metribuzin ternary compound composition, a method for preparing the dispersible oil suspension and assistant optimization, the product stability is improved, the dispersible oil suspension can tolerate high and low temperature intervals, meanwhile, the dispersible oil suspension can tolerate different water qualities such as C water, D water and 3WHO water, the product suspension rate is high, and the dispersible oil suspension can be subsequently used in different countries and regions and has wide application prospects. And large-scale popularization and application are facilitated.

The present invention relates to a herbicidal composition comprising as active ingredient a mixture of components (A) and (B) wherein component (A) is a compound of formula (I) and component (B) is metribuzin or an agrochemically acceptable ester or salt thereof. (I)

The present application belongs to the technical field of metribuzin wastewater treatment, and particularly relates to an extractant for metribuzin wastewater treatment and a treatment method thereof. The metribuzin wastewater treatment method comprises the following steps: preparing a metribuzin wastewater extractant; uniformly dispersing the metribuzin wastewater extractant into acidic wastewater, continuously stirring, extracting impurities in the acidic wastewater by the metribuzin wastewater extractant, standing and separating after the extraction is completed, and collecting the water phase and the oil phase after the separation; and recycling sulfuric acid in the water phase by a high-temperature concentration process to obtain high-concentration sulfuric acid, wherein the water produced by the concentration process does not need to be discharged and can be continuously used. The present application removes impurities in metribuzin wastewater by preparing an extractant, purifies acidic wastewater, recycles water, sulfuric acid, methanol and the extractant by a high-temperature concentration and negative pressure distillation process, realizes resource recycling and utilization, improves production efficiency, reduces cost, and reduces environmental burden.

This invention relates to the field of pesticide technology and discloses a herbicidal composition and its application. The active ingredients of the herbicidal composition include mesosulfuron-methyl, isoproturon, and metribuzin. The herbicidal composition can be applied to control annual weeds in wheat-growing fields. This invention provides a ternary compound composition of mesosulfuron-methyl, isoproturon, and metribuzin, and provides a method for preparing a dispersible oil suspension and preferred adjuvants, improving product stability and enabling it to withstand high and low temperature ranges. Furthermore, this invention can withstand different water qualities such as C-type water, D-type water, and 3WHO-type water, and the product has a high suspension rate, which can subsequently meet the needs of different countries and regions, facilitating widespread application.

The invention discloses a synthesis method of a metribuzin isomer. Triazinone is used as a raw material, dimethyl carbonate is used as a methylation reagent, and the metribuzin isomer is prepared under base catalysis. The synthesis method is simple and convenient to operate, the used dimethyl carbonate replaces a traditional virulent methylation reagent, virulent by-products are eliminated, the method has the characteristics of low cost and environmental protection, a standard substance is provided for qualitative and quantitative analysis of impurities in metribuzin production, an optimized technical scheme is provided for production of triazinone herbicides, and the method is suitable for industrial production. The method is suitable for industrial application.

A method for controlling weeds, which comprises the application of an effective amount of a herbicide composition comprising at least metamitron in an earlier stage, to a locus where the weed is to be controlled, and the application of an effective amount of at least one additional herbicide in a late stage.

The present application belongs to the field of agricultural weeding technology, and particularly relates to a weeding composition and application thereof in preventing and removing weeds in paddy fields. The weeding composition comprises, by mass ratio, active A, active B and active C in a mass ratio of (0.1-2):(0.5-10):(1-125), wherein the active A is oxaziclomefone, the active B is selected from bensulfuron-methyl and / or pyrazosulfuron-ethyl, and the active C is selected from propachlor and / or butachlor. The composition of the present application is used in the closure of water-seeded rice fields, and has a significant synergistic effect on common weeds in water-seeded rice fields compared with each single agent and conventional compounding schemes of propachlor-bensulfuron-methyl and butachlor-bensulfuron-methyl, and is safe for rice.

This application relates to intermediates in the isolation of metribuzin and 4-aminomethylated metribuzin. Metribuzin p-toluensulfonate.

The present invention provides a synergistic herbicidal composition comprising of phenylpyrazoline class of herbicide such as Pinoxaden, Triazinone class of herbicide such as Metribuzin and at least one herbicidal compound is selected from Isoproturon or Metsulfuron-methyl.

The invention relates to the technical field of pesticides, in particular to a herbicidal composition, preparation and application thereof. The herbicidal composition comprises a component A and a component B, wherein, the component A is benzylazole, and the component B is at least one of acetochlor, butachlor, metolachlo, dimethylphenoxychlor, mesotrione, nicosulfuron, atrazine, terbuthylazine, metribuzin, S-metolachlor and dimethylphenoxychlor. The weight ratio of the component A to the component B is 1:(1-80).

The invention provides a soybean field multi-element compound water dispersible granule and a preparation method thereof, the water dispersible granule is prepared by compounding flufenacet and metribuzin, the control effect is good, the physical and chemical properties are stable, the water dispersible granule is not easy to decompose and deteriorate to generate phytotoxicity, and the suspension rate reaches more than 95%; in the use process, the water dispersible granule only needs to be dispersed once, the use process is simple, and the water dispersible granule is a granular solid, is good in flowability, does not stick to the wall after being poured, and does not remain in a packaging container to form secondary pollution.

The invention discloses a weeding composition, the effective components of the weeding composition comprise an active component A, an active component B and an active component C. The active component A is pyroxasulfone, the active component B is clomazone, and the active component C is metribuzin or oxyfluorfen. The weeding composition can be used for preventing and removing various annual or perennial weeds in corn and soybean banded multiple cropping fields, has a remarkable preventing and removing effect, and has the advantages of being wide in use suitable period, long in lasting period, safe to crops and the like.

The invention relates to a weeding composition. The active ingredients of the weeding composition comprise metamifop, oxaziclomefone and cyhalofop-butyl. In the weeding composition provided by the invention, the weight ratio of the three active ingredients is (12-24): (0.5-5): (8-16). The weeding composition provided by the invention can further comprise an agriculturally acceptable auxiliary agent and a carrier, and can be prepared into agriculturally acceptable dosage forms. The invention also relates to an application of the weeding composition for preventing and treating agricultural weeds.

The invention belongs to the field of pesticides, and particularly relates to a high-stability pesticide herbicide and a preparation method thereof. The pesticide herbicide provided by the invention is prepared from the following raw materials in parts by mass: 20-40 parts of compound pesticide raw medicine, 5-15 parts of an emulsifier, 25-60 parts of a solvent and 8-20 parts of a cosolvent, and the compound pesticide raw medicine is prepared from pretilachlor, oxadiargyl and oxaziclomefone; the solvent comprises DMF or DMAC; the pesticide herbicide product is not easy to separate out active compound crystals at low temperature, and has an excellent weeding effect after being applied.

A composition comprising pinoxaden, metribuzin and an adjuvant; wherein the adjuvant is a built-in oil-type adjuvant

The present invention belongs to the field of pesticides, and specifically relates to a ternary herbicidal composition and the use thereof. The ternary herbicidal composition comprises herbicidally effective amounts of active ingredient A, active ingredient B and active ingredient C, wherein the active ingredient A is (I) or bixlozone; the active ingredient B is isoxaflutole, fenpyrazone, (II) or mesotrione; and the active ingredient C is metribuzin. The composition can effectively control a variety of weed problems such as gramineous and broadleaf weeds, and has the characteristics of an expanded herbicidal spectrum, a reduced application amount, synergistic effects, the ability to solve the problem of resistant weeds, etc.

The present invention provides an aqueous pyroxasulfone-metribuzin-based suspension concentrate (SC) composition comprising a particular wetting agent(s). The compositions of the invention are useful in controlling weed.

The invention relates to the technical field of surfactant combinations combined with rheological modifiers combinations for crop protection formulations with increased shelf life and reduced crystallization, in particular herbicidal formulations, and formulations containing said surfactant combinations, as well as methods for producing said formulations.

The invention relates to the technical field of pesticides, and discloses a pyraclonil, pretilachlor and oxaziclomefone ternary compound weeding composition and application thereof. The weeding composition comprises three active ingredients, namely pyraclonil, pretilachlor and oxaziclomefone, in percentage by mass, 1.5%-3% of pyraclonil, 25%-40% of pretilachlor and 0.5%-5% of oxaziclomefone, preferably 2.5% of pyraclonil, 30% of pretilachlor and 1.5% of oxaziclomefone. The composition exists in a form of emulsion in water and comprises a fenclorim safener, an ultraviolet light absorber, a solvent, a surfactant and water. By adopting the technical scheme, the weeding composition is beneficial to synergistic interaction, broad-spectrum prevention and removal of resistant weeds in paddy fields and delay of resistance development, and has the beneficial effects of being environmentally friendly, safe to rice, long in lasting effect, low in cost and suitable for flight control operation.

The invention provides a weeding composition containing foxacarb, pyroxasulfone and metribuzin. The mass ratio of the foxacarb to the pyroxasulfone to the metribuzin is (1-5): (1-10): (1-10). The weeding composition disclosed by the invention has a remarkable synergistic effect, can be used for remarkably improving the weeding effect of a medicament, reducing the dosage of the medicament, slowing down the generation of pesticide resistance and relieving environmental pollution, can be used for preventing and removing annual weeds of corn, and has an excellent weeding effect.

This invention relates to a herbicidal composition comprising an active component (A) propyzoxystrobin and an active component (B) one or more of the following: oxadiazon, propyzoxystrobin, pendimethalin, triazolyl chlorpyrifos, cypermethrin, quizalofop-p-ethyl, bensulfuron-methyl, tetrazolyl chlorpyrifos, bispyribac-sodium, dicyclosulfuron, and pyrimisulfuron-methyl, wherein the weight ratio of the active component (A) to the active component (B) is 100:1 to 1:100. This invention also relates to the use of the herbicidal composition in controlling the germination or growth of weeds in beneficial plants selected from wheat, barley, rye, triticale, oats, corn, rice, soybean, peanut, rapeseed, radix rubra, potato, sugar beet, sugarcane, cotton, flax, sorghum, forage grass, and lawn; particularly suitable for controlling the germination or growth of weeds in rice crops.

The invention relates to a herbicidal composition comprising Aminopyralid or agriculturally acceptable salts and esters thereof in the range of 0.1% w / w to 65% w / w of the total composition; Metribuzin or agriculturally acceptable salts thereof in the range 0.1% w / w to 80% w / w of the total composition; and at least one agrochemically acceptable excipient; wherein the composition comprises particles in the size range of 0.1 micron to 50 microns. The invention further relates to a process of preparation of the herbicidal composition and to a method of treating weeds or the unwanted vegetation or the plant propagation material, locus or plant parts thereof, a seed, seedling or surrounding soil with the herbicidal composition.

The application discloses Klebsiella pneumoniae M1 and an application thereof, wherein the Klebsiella pneumoniae M1 has a preservation number of CCTCC NO: M20251762 and is preserved in the China Center for Type Culture Collection on August 4, 2025. The Klebsiella pneumoniae M1 in the application is derived from natural soil, has strong environmental adaptability and metabolic capacity, can effectively utilize metribuzin as a carbon and nitrogen source to grow and degrade, and adds diversified candidate bacterial resources to the field of microbial remediation.

The invention relates to the technical field of pesticides, and discloses a weeding composition and application thereof. The effective components of the weeding composition comprise mesosulfuron-methyl, isoproturon and metribuzin. The weeding composition can be applied to prevention and treatment of annual weeds in wheat crop fields. The invention provides a mesosulfuron, isoproturon and metribuzin ternary compound composition, a method for preparing the dispersible oil suspension and assistant optimization, the product stability is improved, the dispersible oil suspension can tolerate high and low temperature intervals, meanwhile, the dispersible oil suspension can tolerate different water qualities such as C water, D water and 3WHO water, the product suspension rate is high, and the dispersible oil suspension can be subsequently used in different countries and regions and has wide application prospects. And large-scale popularization and application are facilitated.

The invention belongs to the technical field of fluorescence sensing detection, and particularly relates to an Ln-MOF material for detecting metamitron herbicide and a preparation method of the Ln-MOF material. The preparation method comprises the following steps: dissolving Tb (NO3) 35H2O, Eu (NO3) 35H2O, diphenyldicarboxylic acid and o-fluorobenzoic acid in a DMF (Dimethyl Formamide) solvent, carrying out heat treatment, and carrying out vacuum drying to obtain the Ln-MOF material Eu < 0.001 > Tb < 0.999 >-BPDC. According to the invention, the lanthanide bimetal organic framework (Eu < 0.001 > Tb < 0.999 >-BPDC) is used for synchronous detection of metamitron for the first time, the response time to metamitron is only 10 seconds, the stable performance is still maintained after repeated recycling, and the defects of slow response and poor stability of a traditional fluorescence sensor are overcome. The probe can be directly detected in a DMF (Dimethyl Formamide) solution, can be repeatedly used, and provides a novel platform for on-site rapid screening of herbicide metamitron in the environment.