57 results about "Sulfometuron methyl" patented technology

This invention discloses a highly efficient catalytic synthesis process for nicotinamide intermediates using the field of organic synthesis technology. The process includes: adding appropriate amounts of dichloronicotinic acid, organic solvent, lanthanum-doped composite metal fluoride-diatomaceous earth supported catalyst, and encapsulated 4A molecular sieve to a reaction vessel under nitrogen protection; purging with nitrogen, heating, and stirring; introducing anhydrous dimethylamine gas, controlling the pressure, and continuing stirring; after the reaction is complete, washing with sodium bicarbonate aqueous solution, washing with deionized water, drying, concentrating, and recrystallizing to obtain the target product. The lanthanum-doped composite metal fluoride-diatomaceous earth supported catalyst prepared by this invention is recyclable, has mild reaction conditions, high product yield, is environmentally friendly, and suitable for industrial production.

The invention relates to the field of pesticides, and in particular relates to a weeding composition containing benzopyridim, the weeding composition comprises an active component A and an active component B. The active component A is benzopyridim, the active component B is pyrazosulfuron-ethyl, and the mass ratio of the active component A to the active component B is 1: 60-40: 1. The weeding composition disclosed by the invention expands a weed control spectrum, has an excellent control effect on annual weeds in a paddy field, is obvious in synergistic interaction, is safe to crops and is environment-friendly.

The invention provides a weeding composition which comprises a component A and a component B. The component A is one of a compound 1, a compound 2 and a compound 3, the component B is selected from one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA, and the component B is one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA. The component A and the component B in the composition have a good synergistic effect, and the composition has a good application prospect.

The invention discloses a nicosulfuron pseudomonas (Pseudomonas nisulfuron HD1) with a capability of degrading multiple pollutants and an application of the nicosulfuron pseudomonas (Pseudomonas nisulfuron HD1, and belongs to the technical field of screening and application of functional microorganisms. The strain is derived from a chicken manure aerobic composting environment, the preservation number is GDMCC No: 67351, and nitro polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons and tetracycline antibiotics can be efficiently degraded at the same time. In a single pollutant with the concentration of 50 mg / L, the degradation rates of tetracycline and doxycycline exceed 97% in 8 h, the degradation rate of nitrofluoranthene reaches 99.01% in 48 h, and the degradation rate of phenanthrene reaches 66.17%. In nitrofluoranthene-phenanthrene composite pollutants, the 48-hour degradation rate is kept to be 78% or above. The strain is high in degradation efficiency and strong in environmental adaptability, provides a new microbial resource for bioremediation of a combined pollution site, and has a wide application prospect.

The invention discloses a compound herbicide and a preparation method thereof and relates to the technical field of pesticides. The compound herbicide is compounded by taking rimsulfuron, pyroxsulam and fluroxypyr-mepthyl as effective components and supplementing a safener, a surfactant, an emulsifier, a stabilizer and a solvent. The action mechanisms of the three active ingredients are complementary and synergistic, and annual gramineous weeds and broadleaf weeds in a corn field can be effectively prevented and removed. Through scientific compounding, the application dosage of a single component is remarkably reduced, pesticide residues in the environment and crops are reduced, meanwhile, potential phytotoxicity to the crops is effectively relieved by adding the safener, and the bactericidal composition has the advantages of being efficient, safe and environmentally friendly.

The invention provides a weeding composition which comprises a component A and a component B. The component A is one of a compound 1, a compound 2 and a compound 3, the component B is selected from one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA, and the component B is one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA. The component A and the component B in the composition have a good synergistic effect, and the composition has a good application prospect.

The application provides a herbicide composition for preventing and treating cyperus iria, a preparation method and application thereof, and aims to solve the technical problem of lacking effective and controllable herbicide for cyperus iria and various monocotyledonous and dicotyledonous weeds in the field. The herbicide composition is composed of effective components and necessary adjuvants, wherein the effective components are composed of atrazine, halosulfuron, thifensulfuron-methyl and fluroxypyr according to a weight ratio of 9.0-54.0:0.75-3.0:0.75-3.8:1.5-6.5. The herbicide composition has rapid and effective prevention and control effects on common annual grass weeds and broadleaf weeds in the millet field, and can eradicate the malignant weed cyperus iria. The herbicide composition is safe to the millet, and can also play a certain role in controlling the growth of the millet, reduce the plant height of the millet, reduce the risk of lodging of the millet, and improve the yield of the millet.

The present application belongs to the technical field of herbicide safener, and particularly relates to the use of chlorindole hydrazide as a herbicide safener, chlorindole hydrazide as a safener of nicosulfuron, carfentrazone-ethyl, benzenesulfonamide and quizalofop-p-ethyl, which can relieve or eliminate the crop phytotoxicity caused by the above herbicides, and is applied after or before the crop phytotoxicity is caused. The application amount of chlorindole hydrazide (converted into the original drug) is 1-2 g / mu, the mass concentration of chlorindole hydrazide is 0.00667-0.01333% when applied, and a very good control effect can be achieved.

The invention provides a weeding composition which comprises a component A and a component B. The component A is one of a compound 1, a compound 2 and a compound 3, the component B is selected from one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA, and the component B is one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA. The component A and the component B in the composition have a good synergistic effect, and the composition has a good application prospect.

The invention provides a weeding composition which comprises a component A and a component B. The component A is one of a compound 1, a compound 2 and a compound 3, the component B is selected from one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA, and the component B is one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA. The component A and the component B in the composition have a good synergistic effect, and the composition has a good application prospect.

The invention provides a weeding composition which comprises a component A and a component B. The component A is one of a compound 1, a compound 2 and a compound 3, the component B is selected from one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA, and the component B is one of tembotrione, isoxaflutole, dicamba, foramsulfuron, nicosulfuron, rimsulfuron, topramezone, 2, 4-D isooctyl ester, fenoxaprop-p-ethyl and MCPA. The component A and the component B in the composition have a good synergistic effect, and the composition has a good application prospect.

This invention discloses a strain of *Pseudomonas nicosulfuron-methyl* capable of degrading multiple pollutants. Pseudomonas nicosulfuronedens HD1 and its applications belong to the field of functional microbial screening and application technology. This strain, originating from an aerobic composting environment of chicken manure (accession number GDMCC No:67351), can simultaneously and efficiently degrade nitropolycyclic aromatic hydrocarbons (NPH), polycyclic aromatic hydrocarbons (PAHs), and tetracycline antibiotics. In single pollutants at a concentration of 50 mg / L, the degradation rates of tetracycline and doxycycline exceeded 97% after 8 hours; the degradation rate of nitrofluoranthene reached 99.01% after 48 hours; and the degradation rate of phenanthrene reached 66.17%. In nitrofluoranthene-phenanthrene composite pollutants, the degradation rate remained above 78% after 48 hours. This strain exhibits high degradation efficiency and strong environmental adaptability, providing a new microbial resource for the bioremediation of multi-contaminated sites and possessing broad application prospects.

The invention belongs to the technical field of herbicides, and particularly relates to a preparation method of a sugarcane field herbicide containing mesotrione, triclopyr and halosulfuron-methyl, and the preparation method comprises the following steps: S1, preparing mesotrione salt; s2, preparing triclopyr acetate; s3, preparation of a dosage form: adding auxiliary components which are allowed to be added in pesticide science into the mesotrione salt, the triclopyr and the halosulfuron-methyl active compound to prepare the pesticide preparation. According to the invention, the stability problem of compounding of three effective components, namely mesotrione, triclopyr and halosulfuron-methyl, is successfully solved, the compound herbicide with stable performance is prepared, and the market blank is filled; the production process is simplified, the production and packaging material cost is reduced, the production of packaging waste is reduced, and the environmental protection requirement is met; when farmers use the pesticide, independent proportioning is not needed, the operation is more convenient, and the pesticide application efficiency is improved; the product accords with national supervision policies on pesticide products, and can provide support for standard operation of production enterprises and scientific pesticide application of farmers.

This invention belongs to the field of plant genetic engineering and plant stress resistance biotechnology, and discloses... ZmCYP81Q32 Application of genes in improving nicosulfuron resistance in plants. This invention provides... ZmCYP81Q32 The nucleotide sequence of the gene, as shown in SEQ ID NO:1, encodes a cytochrome P450 enzyme that can directly bind to sulfonylurea herbicides and promote their hydroxylation metabolism. This reduces the accumulation of the parent herbicide in the plant, alleviates herbicide-induced growth inhibition, leaf chlorosis, and oxidative damage, and significantly improves plant tolerance to sulfonylurea herbicides, especially enhancing plant resistance to nicosulfuron. This invention can be widely used for crop herbicide resistance improvement, herbicide-tolerant germplasm creation, and related molecular breeding.

The application discloses an agricultural automatic dispersion type multi-element compounded herbicide composition and a preparation method thereof, and belongs to the technical field of pesticide herbicides. The composition is prepared from dithiopyr potassium salt, nicosulfuron potassium salt, carfentrazone ethyl potassium salt, maleic anhydride esterified starch grafting acrylic acid-styrene sodium sulfonate copolymer, polyacrylic acid sodium salt, naphthalene sulfonate formaldehyde condensate, sodium lignosulfonate, fatty alcohol sulfonate or fatty alcohol sulfate and a filler. The three herbicides with complementary action mechanisms are compounded in the form of potassium salt, broadleaf weeds and gramineous weeds can be effectively prevented and removed at the same time; through construction of a multi-level composite dispersant system, rapid automatic disintegration and dispersion of the granules after water is met are realized; and the pre-potassium salt treatment improves water solubility and dispersion uniformity of active ingredients. The herbicide has the advantages of excellent automatic dispersion performance, high-efficiency herbicidal performance, environmental protection and the like.

The invention discloses a weeding composition containing oxazole sulcotrione and application of the weeding composition, and relates to the field of pesticides, the effective components of the weeding composition comprise a herbicide A and a herbicide B. The herbicide A is the oxazole sulcotrione, and the herbicide B is an ALS inhibitor; the weight ratio of the herbicide A to the herbicide B is (1-80): (80-1); the ALS inhibitor is selected from one or more of penoxsulam, pyribenzoxim, bispyribac-sodium, pyriminobac-methyl, bensulfuron methyl, pyrazosulfuron methyl, halosulfuron-methyl, metazosulfuron methyl, triafamone, flucetosulfuron and propyrisulfuron methyl. According to the composition disclosed by the invention, the oxazole sulcotrione is compounded with two medicaments with different mechanisms, so that the composition has an obvious gain effect on preventing and removing weeds such as barnyard grass and the like in a paddy field, and the usage amount of active ingredients can be reduced.

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 provides a herbicidal composition for controlling weeds in dryland rice fields in mountainous areas, its preparation method, and its uses. The herbicidal composition consists of pendimethalin suspension concentrate, pyrimisulfuron-methyl oil dispersible suspension concentrate, and a special agricultural synergist, with a volume ratio of (30-70):(5-10):(20-55). The herbicidal composition of this application achieves a comprehensive control efficacy of over 97% against grasses and broadleaf weeds in direct-seeded rice fields in dryland areas, and is particularly suitable for soil treatment in direct-seeded rice fields in mountainous areas, exhibiting excellent comprehensive control efficacy. It maintains excellent control efficacy even with a 29% reduction in herbicide dosage. Furthermore, this composition is suitable for aerial spraying, helping to reduce pesticide costs and environmental pollution.

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 application relates to the field of pesticide formulations, and particularly discloses a dispersible oil suspension agent containing nicosulfuron, mesotrione and atrazine and a preparation method thereof. The dispersible oil suspension agent containing nicosulfuron, mesotrione and atrazine comprises the following raw materials in mass percentage: 38.2-45.1% of effective substance, 0.5-1% of dispersant, 12-14% of emulsifier, 0.3-0.5% of thickening agent, and the rest is methyl oleate, wherein the effective substance is mesoporous silica loaded with effective components; in addition, the preparation method has the advantages of improving the stability of the composite herbicide.

The application belongs to the technical field of land pesticide residue degradation, and particularly relates to a preparation for reducing pesticide residues and application of cladophora in reducing pesticide residues. Scenedesmus obliquus It is found that the cladophora can effectively degrade four typical pesticides of atrazine, thiamethoxam, cypermethrin and nicosulfuron, has wide applicable temperature (such as 5 DEG C to 30 DEG C), short action time, high safety and low cost.

The application discloses a copper-based nano-enzyme, a product containing the same, a preparation method and application, and belongs to the technical field of pesticide detection, and a high-activity and high-stability peroxidase-like material is obtained by self-assembly of a copper source, H3BTC and PVP at room temperature. 2+ / Cu + Redox cycle, significantly improving the catalytic activity of TMB-H2O2 system. The method is simple to operate, does not require complex instruments, can realize high sensitivity, high selectivity and rapid detection of nicosulfuron, and is suitable for on-site screening of pesticide residues in water and agricultural products, overcoming the defects of the prior art, such as strong dependence on equipment, high cost and poor portability.

The invention provides a continuous preparation method of a nicosulfuron intermediate 3-(dimethylaminoformyl) pyridine-2-sulfonyl chloride, which comprises the following steps: S1, mixing and pre-cooling an aqueous solution of 2-sulfydryl-N, N-dimethyl nicotinamide and an organic solvent to obtain a mixed raw material; s2, pumping the mixed raw material into a micro-channel reactor, introducing chlorine for reaction, and then collecting reaction liquid; and S3, separating the reaction liquid at a low temperature to obtain the 3-(dimethylamino formyl) pyridine-2-sulfonyl chloride. According to the preparation method, the accurate control of the reaction process is realized, the heat transfer efficiency and the conversion rate of the reaction are improved, the problems of long reaction time and low yield in the prior art are solved, and the production efficiency is remarkably improved.

This application discloses a herbicidal composition, herbicide, and application for controlling dodder, relating to the field of pesticide compounding technology. The active ingredients of this herbicidal composition are cyclosulfonyl, nicosulfuron, and atrazine, with a mass ratio of (5-9):(2-6):(11-39). By compounding cyclosulfonyl, nicosulfuron, and atrazine in a specific ratio, a triple-blocking synergistic mechanism is formed, achieving synergistic eradication of both the above-ground parts and underground haustoria of dodder. In this application, cyclosulfonyl, nicosulfuron, and atrazine exhibit significant synergistic effects in controlling dodder within a specific ratio range. Field trials have demonstrated that it can efficiently eradicate dodder, is safe for crops, and can significantly increase crop yield.

The present application discloses a kind of herbicidal composition containing 5-phenyl-4,5-dihydroisoxazole-3-carboxylic acid ethyl ester and component B, the component B is selected from one or several of the following: nicosulfuron, sulfometuron, foramsulfuron, fenoxaprop-p-ethyl, benzobicylon, isoxaflutole, dicamba, carfentrazone-ethyl, 2,4-dichlorophenoxyacetic acid and its salt, 2,4-d and its salt, 2,4-d isooctyl and mesosulfuron etc..The composition of the present application has good synergistic effect, is safe to crops, and has broad application prospect.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active ingredient A, an active ingredient B and an active ingredient C. The active ingredient A is saflufenacil, the active ingredient B is nicosulfuron, and the active ingredient C is any one of topramezone or mesotrione; the mass ratio of the active component A to the active component B to the active component C is 1: (0.25-4): (0.25-16). The composition disclosed by the invention is high in safety to crops, accords with a green agriculture trend, and promotes sustainable development and improves comprehensive ecological benefits by delaying resistance and reducing dosage.

The present application discloses a kind of herbicidal composition containing 5-phenyl-4,5-dihydroisoxazole-3-carboxylic acid ethyl ester and component B, the component B is selected from one or several of the following: nicosulfuron, sulfometuron, foramsulfuron, fenoxaprop-p-ethyl, benzobicylon, isoxaflutole, dicamba, carfentrazone-ethyl, 2,4-dichlorophenoxyacetic acid and its salt, 2,4-d and its salt, 2,4-d isooctyl and mesosulfuron etc..The composition of the present application has good synergistic effect, is safe to crops, and has broad application prospect.

The present application discloses a kind of herbicidal composition containing 5-phenyl-4,5-dihydroisoxazole-3-carboxylic acid ethyl ester and component B, the component B is selected from one or several of the following: nicosulfuron, sulfometuron, foramsulfuron, fenoxaprop-p-ethyl, benzobicylon, isoxaflutole, dicamba, carfentrazone-ethyl, 2,4-dichlorophenoxyacetic acid and its salt, 2,4-d and its salt, 2,4-d isooctyl and mesosulfuron etc..The composition of the present application has good synergistic effect, is safe to crops, and has broad application prospect.

The invention discloses an efficient and safe weeding method for a tropical upland rice field, and belongs to the technical field of agricultural planting. The method comprises the following steps: spraying glufosinate-ammonium to kill germinated weeds 10-15 days before sowing; (after sowing and before emergence of seedlings, spraying butachlor and bensulfuron methyl to form a pre-emergence closed pesticide film; 15-20 days after seedling emergence, spraying a compound preparation of quinclorac and pyrazosulfuron-ethyl in a ratio of 1: 1 and a compound preparation of MCPA and fluroxypyr in a ratio of 1: 1; 30-35 days after seedling emergence, a cyhalofop-butyl / haloxysulfuron-methyl and penoxsulam compound agent is sequentially applied, and brassinolide and monopotassium phosphate are sprayed 3 days after secondary pesticide application; supplementing and preventing in the middle and later tillering periods, and spraying naphthylacetic acid, urea and monopotassium phosphate 3 days after weeding. The water adding amount in each stage is dynamically adjusted according to the soil water content, the method is suitable for the tropical upland rice area with the annual average temperature larger than or equal to 25 DEG C, the annual rainfall larger than or equal to 1500 mm and the humidity larger than or equal to 80%, and through five-stage time sequence cooperation and precise intervention of the conditioning agent, the weed control effect larger than or equal to 95.2% is achieved, and the phytotoxicity grade is 0 grade.