32 results about "Acetochlor" patented technology

The present application provides a kind of herbicidal composition comprising trifluralin, acetochlor and thifensulfuron-methyl, active ingredients comprising trifluralin, acetochlor and thifensulfuron-methyl, and the mass ratio of trifluralin, acetochlor and thifensulfuron-methyl is 10-30:20-40:0.5-2.The herbicidal composition of the present application can be used for the control of annual weeds in crop fields, and has a significant synergistic effect.

The application belongs to the technical field of contaminated soil remediation, and particularly relates to modified montmorillonite for synergistically remediating heavy metals and organic pollutants in soil as well as a preparation method and application thereof. Hexadecyl trimethyl ammonium bromide (CTAB) and dodecyl trimethyl ammonium bromide (DTAB) are used as modifiers to prepare organic modified montmorillonite, and mercury ions (Hg 2+ ) and acetochlor (ACR) are used as representative substances of heavy metals and organic pollutants to study the effects of the two kinds of organic modified montmorillonite on remediation of Hg 2+ and ACR compound contaminated soil. The results show that the two kinds of organic modified montmorillonite have good removal effects on Hg 2+ and ACR in real soil samples, and can simultaneously remove Hg 2+ and ACR in soil. The removal rates of CTAB modified montmorillonite and DTAB modified montmorillonite can both reach more than 90%. The organic modified montmorillonite prepared by using CTAB and DTAB as modifiers can simultaneously remove Hg 2+ and ACR in soil, and can synergistically remediate Hg 2+ and ACR compound contaminated soil.

This invention provides a reagent kit, its preparation method, and its application, as well as a method for detecting acetochlor, relating to the fields of analytical chemistry and biosensor technology. The reagent kit includes a detection solution and a test strip; the detection solution includes CuCo@PDA conjugated with an anti-acetochlor antibody; the test strip includes a sample pad, a detection pad, and an absorbent pad arranged sequentially; from the sample pad to the absorbent pad, the detection pad has a detection line and a control line arranged sequentially; the detection line is immobilized with an ATC-BSA conjugated antigen and protein-modified ATT-AuNCs; the protein includes BSA or ovalbumin; the control line is immobilized with a secondary antibody that specifically recognizes the anti-acetochlor antibody. This reagent kit utilizes the internal filtration effect to construct a dual-mode detection mechanism of "off" colorimetric signal / "on" fluorescence signal, and the signal can be collected and analyzed via a smartphone, making it suitable for rapid on-site screening of acetochlor residues in traditional Chinese medicinal materials.

The invention discloses an application of rice OsTIP2; the invention discloses application of the gene 1, 2 in improving the resistance of rice to acetochlor and a rice breeding material thereof. The method comprises the following steps: knocking out OsTIP2; according to the OsTIP2 gene, the resistance of rice to acetochlor can be improved; the amino acid sequence of the gene 1, 2 is as shown in SEQ ID NO: 2; and by matching with acetochlor for use, simplified planting of the rice can be assisted, and important economic value is achieved. The herbicide resistance characteristic of rice edited by the gene can be stably inherited through sexual or asexual reproduction, and the gene can be used for constructing resistant rice germplasm resources.

The utility model discloses a condenser for acetochlor production, which relates to the technical field of condensers, and comprises a box body, a condensing pipe is fixedly mounted in the box body, the condensing pipe is distributed on the horizontal plane in the box body in a snake shape, and a plurality of stabilizing mechanisms are detachably mounted in the condensing pipe. The stabilizing mechanism comprises a fixing cylinder, a lifting column, a lower positioning plate and an upper positioning plate, a fixing groove matched with the fixing cylinder is formed in the inner wall of the lower end of the box body, the fixing cylinder is clamped in the fixing groove, the lifting column is in threaded connection with the interior of the fixing cylinder, the upper end of the lifting column is rotationally connected with the lower positioning plate, and the upper end of the lower positioning plate is hinged to the upper positioning plate; the bottom end of the upper positioning plate is fixedly connected with a clamping block, and a clamping groove matched with the clamping block is formed in the upper end of the lower positioning plate. And the risk of collision and friction is increased.

The application provides a hybridoma cell strain secreting monoclone antibody of diquat and application thereof, and relates to the technical field of immune detection. The monoclone antibody secreted by the hybridoma cell strain has good sensitivity to diquat, the IC 50 1.13 ng / mL, so that the monoclone antibody can detect trace diquat. In addition, the monoclone antibody has no cross reaction to structural analogs of diquat, such as alachlor, acetochlor, butachlor, propanil, diquat and diquat, so that the monoclone antibody can accurately detect low concentration diquat.

The invention relates to the technical field of agricultural chemistry, and discloses an application of an N-[3-(5-methoxy-2-(substituted phenyl)-1H-indole-1-yl) propyl] acetamide compound, and the N-[3-(5-methoxy-2-(substituted phenyl)-1H-indole-1-yl) propyl] acetamide compound can significantly reduce the phytotoxicity of acetochlor and other herbicides to crops, and has a good application prospect. Meanwhile, an excellent weeding effect is kept, and the weeding composition can be well applied to herbicide safeners. In addition, the invention also discloses a weeding composition.

The present application relates to a bacillus strain capable of degrading prometryn and / or acetochlor. The bacillus strain is preserved in the China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 30590, which can be used for degrading prometryn and / or acetochlor.

The invention discloses acetochlor reductive dechlorination enzyme ArdA as well as a coding gene and application thereof. The nucleotide sequence of the arcA is SEQ ID NO.1, the full length of the arcA is 681 bp, the amino acid sequence of the arcA is SEQ ID NO.2, and 226 amino acids are encoded. ArdA is the acetochlor reductive dechlorination enzyme found for the first time, can be used for degrading acetochlor residues in soil and water, and has very important theoretical and application values.

The present invention provides a salt- and alkali-tolerant strain of Streptomyces cavourensis and its applications. The strain, named Streptomyces cavourensis PY4, was deposited with the China Center for Type Culture Collection at Wuhan University in Wuhan, China on November 21, 2024, with a deposit number of CCTCC NO: M 20242608. This strain can still effectively degrade the herbicide acetochlor in a highly saline and alkali environment. After 15 days of application, it can reduce the residual acetochlor in the soil by 91.50%. It can be used to solve the problem of excessive acetochlor residues in soil and other environments, and has broad application prospects in the field of agricultural production.

A process for the preparation of chloromethyl ethyl ether is disclosed. The process comprises reacting paraformaldehyde with ethanol and thionyl chloride. The present invention further discloses a process for the preparation of substantially pure acetochlor comprising the step of treating a crude mixture of acetochlor and 2-chloro-N-(2-ethyl-6-methylphenyl)acetamide with chloromethyl ethyl ether in the presence of a base and a solvent at a temperature of about 0°C to about 40°C, thereby making the process simple, economical and industrially viable and thereby providing acetochlor with reduced content of 2-chloro-N-(2-ethyl-6-methylphenyl)acetamide.

The invention discloses a herbicide composition for strip-shaped composite planting of soybeans and corns in the eastern Hebei province and an application method of the herbicide composition. The herbicide composition is formed by compounding 990g / L of acetochlor EC (100mL / 667m) and 75% thifensulfuron methyl WG (2g / 667m), and the weight ratio of the effective components is 10.8: 0.22 / 667m. The application method comprises the following steps: (1) sowing according to a strip-shaped mode in which four rows of soybeans and four rows of corns are alternated, wherein the row spacing is 57 cm; and (2) diluting the composition to 30L / 667m within 2 days after sowing, and spraying. Efficient soil closed weeding in the soybean and corn symbiotic period can be achieved, the weeding rate is larger than or equal to 92%, and crop safety is good.

The present invention belongs to the field of water treatment technology and relates to a method for the far-ultraviolet photodegradation of iohexol and acetochlor. The method comprises the following steps: S1, adjusting the pH of a treated aqueous solution containing target pollutants to 4-10; S2, conducting the reaction at an ultraviolet wavelength of 200-230 nm. Compared with existing technologies, the present invention not only efficiently degrades iohexol and acetochlor, but also can treat other new pollutants with different structures in surface water. It has multiple advantages, including no secondary pollution, low cost, simple process, and no risk of mercury leakage, ensuring safe and stable use.

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 belongs to the technical field of soil remediation, and particularly relates to a method for remedying acetochlor-contaminated soil by compounding growth-promoting bacteria and soybeans. The efficient growth promoting function of the Klebsiella sp.D5A strain is utilized, the Klebsiella sp.D5A strain secretes growth hormone to promote soybean growth, and the adaptive capacity of soybeans to the acetochlor polluted environment is enhanced; after being combined with an acetochlor-tolerant soybean variety, the soybean repairing agent can realize synchronous improvement of the repairing efficiency and the soybean yield through a'growth promotion-stress resistance 'dual synergistic mechanism and by means of the acetochlor degradation capability of the tolerant soybean variety, and solves the problems of single microbial function and disjunction of repairing and production in the prior art.

The invention discloses a method for removing acetochlor in water by using ferrous ion activated persulfate, and belongs to the field of water treatment. Ferrous ions activate persulfate through single electron transfer, sulfate free radicals SO4 <-> with strong oxidizing property are generated, SO4 <-> attacks acetochlor molecules, ring opening and mineralization are achieved through electron transfer, hydrogen extraction or addition reaction, and a good removal effect on acetochlor in water is achieved. The operation method comprises the following steps: adding ferrite, hydroxylamine hydrochloride and persulfate into a pre-acidified water sample containing acetochlor according to a certain concentration, and stirring to react for a certain time, so as to remove acetochlor in the water sample. Compared with the prior art, the method has the characteristics of simplicity in operation, high reaction rate, good removal effect and low cost, the removal rate of 98-99% can be realized by only about 15 minutes for a natural water body with low background concentration of acetochlor, and the acetochlor index in effluent meets the requirements of Standard for Sanitary Drinking Water (GB 5749-2022).

The present application relates to a kind of herbicide composition and its preparation method and application.The active ingredient of the herbicide composition includes acetochlor, oxaziclomefone, 2,4-D isooctyl ester;Wherein, the mass ratio of acetochlor, oxaziclomefone, 2,4-D isooctyl ester is (1-60) :(1-25) :(1-35).The herbicide composition has good control effect on annual weeds in spring soybean field and spring corn field, and each active ingredient synergistic effect can significantly reduce the use dosage, and the dispersion effect is good, the weeding effect is excellent, has no influence on the following crops, is environment-friendly, high safety and stable system.

The invention belongs to the technical field of environmental microorganisms, and particularly relates to a metolachlor anaerobic degradation strain SRB-9 and application thereof. According to the present invention, a strain SRB-9 capable of efficiently and anaerobically degrading metolachlor (MET) is separated from anaerobic sediments, and the morphological and molecular biological identification results show that the strain belongs to nitrate desulfurization vibrio, is named as Nitatidesulfurvibrio sp. SRB-9, is preserved in the China Center for Type Culture Collection (CCTCC), and has a preservation number of CCTCC M 20251781. The invention further provides a preparation method of the metolachlor-metolachlor anaerobic degradation strain SRB-9, and the metolachlor-metolachlor anaerobic degradation strain SRB-9 can be used for efficiently and anaerobically degrading metolachlor-metolachlor anaerobic degradation strain SRB-9, the bacterial strain can rapidly degrade MET under anaerobic conditions, and the degradation half-life period of the bacterial strain to MET with the concentration of 100 [mu] M is 9.6 d. And the strain can also be used for rapidly and anaerobically degrading five kinds of chloroacetamide herbicides such as alachlor, acetochlor, propisochlor, pretilachlor and butachlor. The strain disclosed by the invention is beneficial to repairing wastewater or soil polluted by various chloroacetamide herbicides, enriches a resource library of pesticide degrading bacteria, and has a good application prospect.

The present invention relates to a method for post-emergent weed control, which comprises applying an effective amount of a composition comprising herbicide A (component A), acetochlor (component B) and optionally at least one herbicide C (component C) to emerged weeds, or an area, where weeds are growing.

The application discloses application of a GPR120 agonist in preventing or treating intestinal-liver immunological injury induced by poultry acetochlor poisoning. According to the intestinal-liver toxicity of chicken acetochlor, the normal expression of G protein-coupled receptor 120 is mainly changed. Subsequently, programmed cell death occurs in the intestinal tract and the liver, and a large amount of inflammatory factor release is caused; the intestinal-liver axis immunological injury is improved by activating the G protein-coupled receptor 120 in vivo and in vitro, so as to rescue the chicken acetochlor poisoning reaction. The application provides a prevention and treatment basis for poultry acetochlor poisoning immunological injury diseases, provides medical data for developing poultry immunological activity drugs or supplements, and also provides more technical means for developing and utilizing environment-friendly, efficient, targeted and slow-release new veterinary drug preparations.

The present invention relates to a method for post-emergent weed control, which comprises applying an effective amount of a composition comprising herbicide A (component A), acetochlor (component B) and optionally at least one herbicide C (component C) to emerged weeds, or an area, where weeds are growing.

The present invention provides a plasma treatment method and equipment for removing pesticide residues in Yunzhi fungus powder. The present invention is combined with a pulse power supply by a dielectric barrier discharge plasma generator, connected to a water treatment reactor, and a 304 stainless steel gasket is added to help introduce an electric field and shorten the discharge distance, thereby increasing energy. The plasma activated water treatment reaction conditions are optimized, and the plasma activated water after analysis and treatment is used to analyze the degradation effect of chlorpyrifos and acetochlor pesticides in Yunzhi fungus powder, and the effect of the treatment on the content of β-glucan in Yunzhi fungus powder is detected. It is proved that the method has a good agricultural residue degradation effect. The present invention adopts a water treatment reactor with a 304 stainless steel gasket having a thickness of 2 to 3 mm, and plasma activated water is made after being treated by a pulse power supply dielectric barrier discharge plasma. Yunzhi fungus powder with chlorpyrifos and acetochlor residues is soaked. After soaking, the chlorpyrifos content decreases by 91.7%, and the acetochlor content decreases by 90.1%.

The present invention relates to a method for post-emergent weed control, which comprises applying an effective amount of a composition comprising herbicide A (component A), acetochlor (component B) and optionally at least one herbicide C (component C) to emerged weeds, or an area, where weeds are growing.

The invention discloses a gas chromatography-mass spectrometry detection method for acetochlor in domestic drinking water, which comprises the following steps: automatically configuring a gas chromatograph by adopting temperature control parameters, setting the temperature of a sample inlet and the heating rate of a chromatographic column through a programmed temperature control module, adjusting the flow velocity of a carrier gas according to the volatility characteristic of a pretreated sample, and determining the flow velocity of the carrier gas according to the volatility characteristic of the pretreated sample. An optimized chromatographic separation condition parameter combination is obtained; starting a mass spectrum detection program according to the optimal ion source working parameters, performing quantitative analysis on acetochlor characteristic ions by adopting a selected ion monitoring mode, and performing baseline correction and noise filtering treatment on original mass spectrum signals through a signal processing algorithm to obtain purified mass spectrum response signal data.

The present invention discloses an enrichment culture method and application of an acetochlor-degrading bacterial system. The enrichment culture method comprises enriching and culturing a substrate-containing material in an enrichment medium; the enrichment medium comprises sodium salts, trace elements, potassium salts, ammonium salts, calcium and magnesium solutions, and vitamins; and the material is soil or activated sludge. Through the use of enrichment culture, the acetochlor-degrading bacterial system can significantly reduce acetochlor. Within this bacterial system, Sphingomonas accounts for a high proportion, and compared to existing enrichment culture methods, this bacterial system significantly improves the degradation rate and stability of acetochlor.

The present invention discloses a phosphorus-doped modified biochar material, its preparation method and application. The raw materials of this material include potassium dihydrogen phosphate and rice straw, and the mass ratio is 1:(100-800). Its preparation method includes the following steps: (1) Wash and dry the rice straw, and crush it into powder; (2) Add potassium dihydrogen phosphate particles into ultrapure water to make a potassium dihydrogen phosphate solution; (3) Add the rice straw powder into the potassium dihydrogen phosphate solution, stir and dry to obtain the dried phosphorus-doped rice straw material; (4) Carbonize the dried phosphorus-doped rice straw material to obtain a phosphorus-doped rice straw carbonized material; (5) Wash the phosphorus-doped rice straw carbonized material to remove ash, dry and crush it to obtain the modified biochar material. By using the rich pore distribution, high specific surface area and abundant surface functional groups of this material, the purpose of removing acetochlor, butachlor and metolachlor in environmental water bodies is achieved.

This invention relates to the application of a stabilizer for preventing or inhibiting discoloration in amide herbicide formulations and the herbicide itself, belonging to the field of pesticide formulation technology. The stabilizer is epichlorohydrin and / or BHT; the application involves using the stabilizer in amide herbicide formulations to prevent or inhibit discoloration. The amide technical grade is one or more of acetochlor, metolachlor, butachlor, and propachlor. The amide herbicide comprises, by mass fraction: 20%–90% amide technical grade, 3%–30% emulsifier, 0.1%–2% stabilizer, and 1%–75% solvent. This invention significantly improves color stability: epichlorohydrin and BHT effectively inhibit the oxidative discoloration process of amide herbicides, allowing the technical grade to maintain a golden-yellow appearance during storage under light, preventing it from turning red or purplish-red. Maintaining the integrity of efficacy: Epichlorohydrin and BHT act only on the oxidation pathway of impurities and do not interfere with the main active ingredients of amide herbicides (such as acetochlor and butachlor), ensuring that the weeding effect is not affected.

The present application discloses an acetochlor production line and its production process, which relates to the field of pesticide production devices. The production line includes a raw material tank, an etherification reaction kettle, an acylation reaction kettle, a condensation reaction kettle, and a technical material tank that are sequentially connected through pipelines. An inspection device is provided between the condensation reaction kettle and the technical material tank; the inspection device includes a transparent container connected between the condensation reaction kettle and the technical material tank, an irradiation lamp and an imaging module for obtaining and comparing the imaging of the mixed liquid in the transparent container, and a control module for controlling the liquid inlet and outlet of the transparent container according to the imaging of the imaging module. The acetochlor production line of the present application can monitor the situation of the mixed liquid in the condensation reaction kettle during the entire stage when the intermediate chloromethyl ethyl ether, primary amide, and lye are mixed and undergo a condensation reaction in the condensation reaction kettle, and control the on-off of the liquid path between the condensation reaction kettle and the technical material tank according to the real-time monitoring results, effectively reducing production losses.

This invention provides a ternary herbicidal suspension emulsion containing 2,4-D isooctyl ester, terbutaline, and acetochlor. Its preparation components include: 2,4-D isooctyl ester, terbutaline, acetochlor, a dispersant; an emulsifier; a stabilizer; a dispersion medium; other adjuvants; and water. The stabilizer comprises vitamin E polyethylene glycol succinate and modified silica. This invention, through the specific ratio of 2,4-D isooctyl ester, terbutaline, and acetochlor, expands the weeding range and improves the weeding effect, offering advantages such as rapid and thorough weed control with low toxicity. The specific stabilizer used in this invention results in finer particle size and higher suspension rate during the grinding process. By selecting a suitable emulsifier and considering the characteristics of cornfields and the properties of the active ingredient, this invention achieves excellent weeding performance without affecting crop growth and development.

The invention relates to the technical field of pesticide preparations, and particularly discloses a high-oil-phase and high-content weeding suspoemulsion and a preparation method thereof.The high-oil-phase and high-content weeding suspoemulsion is prepared from, by mass, 71.2-80% of an active component, 2-6% of an emulsifier, 0.1-3% of a spray additive and the balance deionized water, the active components comprise 2-methyl-4-chloro-isooctyl, acetochlor and an atrazine suspension liquid containing a surfactant; the mass percentage content ratio of the 2-methyl-4-chloro-isooctyl to the acetochlor to the atrazine suspension liquid containing the surfactant in the suspoemulsion for weeding is (8.7%-10.5%): (39.9%-44.1%): (22.6%-25.4%). The suspoemulsion for weeding provided by the invention can still keep good stability and viscosity convenient for atomization under the conditions of high oil phase and high active component content.