15 results about "Metolachlor" patented technology

The invention discloses a method for preparing a chiral amine compound through asymmetric hydrogenation of ruthenium catalyzed imine. The chiral ruthenium catalyst is a chiral metal ruthenium complex prepared by reacting metal ruthenium salt with a chiral phosphine-phosphoramidite ester ligand and chiral diamine in a solvent and carrying out column chromatography. Compared with other chiral amine synthesis methods, the method provided by the invention has the characteristics of cheap catalyst, easy preparation of chiral ligand, mild reaction conditions, simple operation, high yield and enantioselectivity and the like, and can be applied to large-scale preparation of chiral amine compounds. The method is also suitable for synthesis of the key intermediate of the herbicide (S)-metolachlor, the yield can reach 92%, the enantioselectivity can reach 90%, and the method has good industrial application prospects.

This utility model relates to the field of pesticide production technology, specifically to a device for preparing a compound suspension of propyzamide and metolachlor, comprising a mixing tank, a sealing cover fixedly connected to the upper end of the mixing tank, and a stirring assembly provided on the surface of the sealing cover. The stirring assembly includes a servo motor, a first bevel gear, a stirring frame, a connecting shaft, a second bevel gear, a first stirring blade, a stirring shaft, a third bevel gear, and a second stirring blade. A device housing is fixedly connected to the upper surface of the sealing cover, and a feed chute is provided on the left side of the device housing. Viewing windows are provided on both the front and rear sides of the sealing cover. Through the cooperation of the servo motor, the first bevel gear, the second bevel gear, the third bevel gear, the stirring frame, and the stirring shaft, the first and second stirring blades are driven to rotate in opposite directions, preventing the pesticide solution from rotating in the same direction, facilitating rapid dispersion of the internal suspension, and effectively improving the mixing efficiency and mixing effect of the pesticide solution.

The invention relates to the technical field of microorganisms, and discloses an animal lactic acid bacterium ZS-1 and application thereof.The animal lactic acid bacterium ZS-1 has the characteristics of low temperature resistance, pH tolerance, salt tolerance and the like, can generate an excellent pesticide degradation effect, and particularly has high degradation capacity on cyhalothrin, metolachlor and chlorfenapyr.

The present invention relates to a herbicidal composition comprising as active ingredients a mixture of components (A) and (B), wherein component (A) is a compound of formula (I) [Formula 1] JPEG2026507059000017.jpg38160, and component (B) is S-metolachlor or an agrochemically acceptable ester or salt thereof.

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 application belongs to the technical field of chemical herbicides, and particularly relates to a compound herbicide containing S-Isopropyl Methylcarbamate. The present application provides a compound herbicide containing S-Isopropyl Methylcarbamate, which is composed of S-Isopropyl Methylcarbamate-propynyl oxadiazolone microcapsule suspensible granules and propynyl oxadiazolone suspensible granules, so that: 1, part of the propynyl oxadiazolone is effectively microencapsulated, prolonging the effective period of weed control; 2, the compound herbicide has relatively high intensity of broadleaf weeds, gramineous weeds, and sedge weeds control effect in the early stage of the 100-day effective period, and can appropriately control various annual and perennial weeds throughout the effective period, ensuring outstanding weed control effect in corn, sorghum, peanut and other dry land crops.

The invention belongs to the technical field of biology, and particularly relates to a metolachlor and chloroacetamide herbicide degrading bacterium, an enzyme and application. According to the present invention, the degrading bacterium Rhodococcus sp. L-9 capable of efficiently degrading metolachlor and other chloroacetamide herbicides is found through screening, and the degrading bacterium Rhodococcus sp. L-9 can be used for efficiently degrading metolachlor and other chloroacetamide herbicides. Furthermore, according to the invention, a gene cluster metABD for degrading the metolachlor and other chloroacetamide herbicides is cloned from a strain L-9, and the gene cluster metABD can encode three-component cytochrome P450 oxidase MetABD to catalyze the degradation of the metolachlor and other five chloroacetamide herbicides (alachlor, acetochlor, propisochlor, pretilachlor and butachlor); and enantiomer selectivity is achieved in catalysis of chiral herbicide metolachlor, and good social and economic benefits are achieved.

The invention relates to the technical field of herbicides, and discloses a missible oil type herbicide and a preparation method and application thereof.The missible oil type herbicide is mainly composed of clomazone and s-metolachlor, the clomazone and the s-metolachlor are compounded according to a scientific proportion, complementation of action mechanisms of broadleaf weeds and grassy weeds is achieved, and the effect of the missible oil type herbicide on the grassy weeds is achieved. The comprehensive control effect of the compound preparation on common barnyard grass, green bristlegrass, amaranthus retroflexus and other weeds in a rape field is obviously superior to that of each single agent and conventional barrel mixing, the herbicide controlling spectrum is wide, the lasting period is long, the synergistic effect of the two is obvious, and the highest control effect can reach 99%.

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.

This invention belongs to the field of pesticide formulation technology and provides a herbicidal extrusion floating granule and its preparation method. The herbicidal extrusion floating granule comprises the following raw materials by mass percentage: 0.1-50% active ingredient, 5-30% silica, 5-25% floating material, 3-10% dispersant, 3-10% disintegrant, 1-5% wetting agent, 1-5% emulsifier, 1-5% binder, 0-1% pH adjuster, 0-1% defoamer, with the remainder made up with filler. The active ingredient includes a first active ingredient and a second active ingredient; the first active ingredient includes pyrimisulfuron and / or bensulfuron-methyl; the second active ingredient includes pretilachlor and / or metolachlor. The prepared floating granule product has good floating and dispersing properties. Field trial results show that the prepared floating granule sample has a good control effect on weeds in paddy fields when applied by broadcasting, and is labor-saving, time-saving, labor-saving, and environmentally friendly.

This invention provides a compound herbicide, its preparation method, and its application, relating to the field of pesticide technology. The compound herbicide provided by this invention combines metolachlor or butachlor, nicosulfuron, and propyzoxystrobin or propyzoxystrobin. Through extensive experiments, the inventors discovered that these herbicides, with their different mechanisms of action and weed-killing spectra, not only have a synergistic effect when combined, but also broaden the weed-killing spectrum. Furthermore, all three have short residual periods, do not affect subsequent crops, and facilitate crop rotation. Under different formulations, it can be used in sorghum fields, sunflower fields, corn fields, potato fields, rice fields, etc., adding new agents and options for weed control, reducing pesticide application rates, and promoting sustainable agricultural development.

The invention provides a weeding composition containing dichloro-clomazone and s-metolachlor. The weight ratio of the active ingredients of the dichloro-clomazone to the s-metolachlor in the composition is 1: (0.2-15). The weeding composition has an obvious synergistic effect, can widen the weeding spectrum, reduce the dosage of medicaments, reduce the production cost, reduce pesticide residues and environmental pollution, and has a better popularization prospect.

This invention discloses a method for separating and purifying sodium chloride and sodium acetate from metolachlor wastewater. The method includes: first distilling the metolachlor wastewater and filtering it at 65-80°C to obtain sodium chloride; adding an additive to the filtrate, the additive having a solubility at least higher than that of sodium acetate and not decomposing below 100°C; second distilling and filtering at 65-80°C, the filter cake being a mixed salt; crystallizing and filtering the resulting first mother liquor at room temperature to obtain sodium acetate trihydrate and a second mother liquor; adding methanol to the mixed salt for reflux washing and filtering at 40-50°C to obtain sodium chloride filter cake; distilling the third mother liquor to recover methanol; filtering at room temperature to separate sodium acetate; and returning the fourth mother liquor to the methanol reflux washing section for reuse. The method of this invention has good separation and purification effects, high purity and yield, and is easy to apply in engineering.

Abstract A herbicidal composition comprising S-metolachlor, metribuzin and cloransulam-methyl. Abstract 20 26 20 50 31 26 J un 2 02 6 A b s t r a c t 2 0 2 6 2 0 5 0 3 1

This invention discloses a method for suppressing allergenic Artemisia species and establishing vegetation through aerial seeding around urban areas, belonging to the field of Artemisia control technology. The method includes: S1, applying a soil-sealing herbicide by drone before or at the early stage of Artemisia germination; the soil-sealing herbicide is one or more of pendimethalin, acetochlor, or S-metolachlor, combined with an adjuvant of fatty alcohol polyoxyethylene ether at 0.5%-1% of the total amount; a compound formulation of the adjuvant; S2, before continuous rainfall during the rainy season in July and August, using drones to aerially seed a combination of seeds consisting of pioneer species *Alternanthera philoxeroides*, dominant species *Leymus chinensis* and *Cephalotaxus fortunei*, and associated species such as *Alfalfa* and *Lysimachia nummularia*, at a seeding rate of 1.5-2.5 kg / mu; S3, monitoring and managing the vegetation in the restoration area. This invention cuts off allergens at the source, effectively suppresses Artemisia germination by constructing a structurally stable alternative community, significantly improves vegetation coverage, species diversity, and soil fertility, achieving the dual goals of ecological restoration and allergen control.