21 results about "Clomazone" patented technology

The invention relates to the technical field of pesticide compounding, in particular to a dichloro clomazone and isoproturon weeding composition and a preparation method and application thereof.The preparation method comprises the steps that an isoproturon raw medicine, a dispersing agent, a wetting agent and water are mixed, pre-dispersed and sanded till D90 is smaller than or equal to 5 micrometers, and fine isoproturon slurry is prepared; and mixing a dichloroclomazone raw medicine, the fine slurry and other auxiliary agents, homogenizing, adjusting the pH value, and filtering. The method effectively solves the problem of preparation instability caused by a conventional blending process. The composition disclosed by the invention has a synergistic effect on gramineae and broadleaf weeds such as alopecurus aequalis, beckmannia syzigachne and descurainia sophia in wheat fields, and is excellent in control effect and convenient to use.

The invention relates to the technical field of gene editing, and particularly provides a method for creating fluazifop-p-butyl herbicide resistant rice through gene editing of an OsACCase gene promoter region. The method comprises the following steps: constructing a crRNA plasmid library covering an OsACCase gene promoter region on the basis of a CRISPR / LbCas12a system, performing agrobacterium-mediated transformation on rice callus, and performing resistance screening, fluazifop-p-butyl herbicide screening and molecular identification to obtain a fluazifop-p-butyl resistant rice strain. The strain is subjected to-4bp / -5bp double allelic deletion mutation in an upstream 1865-site region of an initiation codon ATG of the OsACCase gene, and a homozygous mutant strain and a double allelic deletion mutant strain can normally grow after being sprayed with 6 times of field recommended dose of fluazifop-p-butyl. The herbicide resistance is realized by editing the gene promoter region, the growth defect of coding region mutation is avoided, the breeding technology is enriched, and weed prevention and control are assisted.

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 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 present embodiments provide methods for selectively controlling weeds in improved turfgrass, comprising applying clomazone to the improved turfgrass. Until now, clomazone has not been considered for use in improved turf due to unacceptable / anti-aesthetic bleaching properties, which are overcome by the methods described herein. The methods include consideration and management of clomazone application timing relative to turf type, turf dormancy, and overseeding timing and planting depth. The present methods provide the use of clomazone in the control of Poa (Poa annua and P. trivialis) in warm-season and cool-season improved turf types, such as Bermuda grass, Zoysia grass, St. Augustine grass, Centipede grass, Ryegrass, Fescue turf types, Kentucky Bluegrass, or mixtures of thereof. The methods further facilitate the use of clomazone to control Poa and other weeds in overseeding practices, such as overseeding with Ryegrass or Kentucky Bluegrass. These methods achieve desired turfgrass tolerance and turf aesthetics while still achieving desired selective weed control efficacy, supporting a new use for clomazone in improved turfgrass markets.

The invention belongs to the technical field of chemical synthesis, and particularly relates to a method for chiral resolution of a clodinafop-propargyl enantiomer. According to the present invention, the high performance liquid chromatography-mass spectrometry technology is adopted to separate the clodinafop-propargyl enantiomer, the chromatographic column is the polysaccharide derivative chiral chromatographic column, the mobile phase A is the organic solvent, the mobile phase B is pure water, the volume ratio of the mobile phase A to the mobile phase B is 40: 60-100: 0, isocratic elution is performed, the column temperature is 30-35 DEG C, and the flow rate is 0.5-0.8 mL / min. The invention provides the method for effectively separating the chiral propargyl enantiomer, and the method has the advantages of high sensitivity, simplicity in operation, high separation speed and the like.

The utility model discloses a kind of catalyst filtering devices suitable for clomazone synthesis, specifically related to filter equipment technical field, including cylinder, be located in the inlet pipe of cylinder top surface and be located in the outlet pipe of cylinder bottom surface, the inside of the cylinder is equipped with three mounting frames, and the inside of three mounting frames is equipped with the filter plate for clomazone synthesis catalyst filtering, the inside both sides of mounting frame are fixedly installed with plug-in block.The utility model discloses a kind of catalyst filtering devices suitable for clomazone synthesis, in actual work, staff will arm through processing mouth and enter the inside of cylinder, and push two dials to move in the way of mutually far away, limit rod can be pulled out from the limiting hole of filter plate, and then filter plate can be extracted from the inside of mounting frame, new filter plate is inserted into mounting frame through processing mouth, the quick replacement of filter plate can be completed, to effectively avoid the influence of filtering efficiency due to the slow filter plate replacement speed.

This invention provides an emulsifiable concentrate formulation comprising the active ingredients chlorpyrifos, oxazolidinyl acetamiprid, and isoxaflutole, wherein the weight ratio of chlorpyrifos, oxazolidinyl acetamiprid, and isoxaflutole is 1.2:17.8:12. It also includes Silway 241 and Atlox 4916, wherein the mass ratio of Silway 241 to Atlox 4916 is 0.1~0.15:3. The emulsifiable concentrate formulation provided by this invention has strong spreading and adhesion capabilities, which can improve the effective utilization rate of the herbicide solution, exhibit excellent control effects on weeds, and can slow down the development of weed resistance.

The invention belongs to the technical field of pesticide weeding, and discloses a clomazone-containing weeding composition and application thereof.The weeding composition comprises pyroxasulfone serving as an active ingredient A, clomazone serving as an active ingredient B and prometryn serving as an active ingredient C. The mass ratio of the active ingredient A to the active ingredient B to the active ingredient C is (1-5): (1-60): (1-60). The weeding composition disclosed by the invention has a remarkable synergistic effect on weeds in soybean or corn fields, effectively reduces the pesticide application frequency, saves the weeding cost, delays the drug resistance of the weeds, and is beneficial to controlling rapid replacement of dominant species of field weed communities and maintaining agricultural ecological balance.

The present application relates to the technical field of traditional Chinese medicine, in particular to a traditional Chinese medicine composition, a pharmaceutical preparation and purposes. The present application first combines the use of clomazone and atractylodes rhizome volatile oil with the effect of "returning to heart meridian", so that clomazone maintains cumulative penetration and can maintain effective blood concentration for a long time, improves the transdermal absorption amount to meet the treatment needs; compared with the use of clomazone alone, the transdermal penetration amount is increased after the use of atractylodes rhizome volatile oil, the peak time is shortened, the clomazone transdermal blood content is increased, and it is verified that atractylodes rhizome volatile oil can play the role of "promoting drug into the body". It can be seen that the traditional Chinese medicine composition of the present application is safer and more effective, mild and durable, and the mechanism is multi-target and multi-effect, which improves the treatment effect of clomazone, provides a more effective and safer treatment strategy for patients with arrhythmia and myocardial ischemia, and provides ideas and basis for the development of new drugs for treating cardiovascular diseases.

The invention relates to a dicamba monooxygenase mutant and application thereof. In particular to a dicamba monooxygenase mutant, a gene for coding the dicamba monooxygenase mutant, a recombinant vector inserted with the gene, a transformant transformed with the gene, a method for improving the activity of dicamba monooxygenase, a method for preparing the dicamba monooxygenase mutant and application of the dicamba monooxygenase mutant and the gene. The activity of the dicamba monooxygenase mutant disclosed by the invention is remarkably improved. Compared with the wild type dicamba monooxygenase, the enzyme activity of the dicamba monooxygenase mutant obtained by replacing the 294th lysine of the wild type dicamba monooxygenase with methionine is obviously improved, and the dicamba monooxygenase mutant has a better dicamba degradation effect; the dicamba-resistant crops can be prepared, and the dicamba resistance of the crops is improved.

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 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%.

The invention belongs to the field of pesticide chemistry application, and particularly relates to application of a weeding composition for machine-transplanted rice seedling fields to prevention and removal of resistant moleplant seeds, the weeding composition is composed of active components pyraclonil, clomazone and butachlor, the weight ratio of pyraclonil to clomazone to butachlor is 1: 1-3: 20-40, and the preferable weight ratio is 1: 1: 20. Emulsion in water and granules are prepared through dosage form processing, the emulsion in water is uniformly diluted with water and then applied, and the granules are mixed with fertilizer or directly applied mechanically or manually. The pesticide is applied before rice soil preparation and rice transplanting or after rice transplanting and living, and is used for solving the problem of resistance moleplant weeds which are difficult to prevent and control in a machine-transplanted rice seedling field.

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 synthetic method of fluthiacet-methyl ester, and belongs to the technical field of fine chemical engineering. The method comprises the following steps: reacting 2-(5-amino-2-chloro-4-fluorophenyl) methyl thioacetate serving as a raw material with ammonium thiocyanate in the presence of a first organic solvent and hydrogen chloride to obtain 2-(5-thioureido-2-chloro-4-fluorophenyl) methyl thioacetate; then reacting with hexahydropyridazine hydrochloride in a second organic solvent to obtain 2-((2-chloro-4-fluoro-5-((tetrahydropyridazine-1 (2H)-pyridazinyl) thiomethyl) amino) phenyl) methyl thioacetate; and continuously reacting with triphosgene in the presence of a second organic solvent and organic alkali to generate the target product methyl fluthiacet-oxalate. The technical route of the method is different from the existing process route, sulfophosgene is avoided, the used raw materials are cheap and low in cost, the hexahydropyridazine hydrochloride does not need to be dissociated by alkali, the operation is simple, and the method is more suitable for industrial production.

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.

The application discloses a microcapsule suspension-suspension agent containing isoxaben and sulfentrazone, a preparation method and application thereof, and relates to the field of pesticides, and comprises isoxaben microcapsule suspension agent and sulfentrazone suspension agent mixed according to a mass ratio of 1:(0.1-10). The isoxaben microcapsule suspension agent comprises the following raw materials: isoxaben 5-50 parts by weight, solvent oil 2-10 parts by weight, oil-phase wall material 0.4-5 parts by weight, dispersant 1-8 parts by weight, water-phase wall material 0.1-1 part by weight and water 25-80 parts by weight. The sulfentrazone suspension agent comprises the following raw materials: sulfentrazone 5-50 parts by weight, dispersant 1-8 parts by weight and water 45-96 parts by weight. The dispersant is at least one of sodium lignosulfonate and polycarboxylate. The application can ensure that isoxaben and sulfentrazone are compounded, and the two can stably exist after being mixed, and meanwhile, the drawbacks of isoxaben drift and phytotoxicity in use are solved.

The present invention relates to a herbicidal composition comprising (A) an herbicidal amount of a compound of Formula (I) (I) wherein G is selected from the group consisting of hydrogen, -C(O)CH3 and -C(O)OCH3;and (B) at least one herbicide, or an ester or salt thereof acceptable from an agrochemical point of view, selected from the group consisting of icafolin (B1) (or icafolin-methyl (B1a)), benquitrione (B2), broclozone (B3), butachlor (B4), clomazone (B5), cyclopyranyl (B6), fluchloraminopyr (B7) [or fluchloraminopyr-tefuryl pyraquinate (B9), (B7a)], fluphenoxymacyl (B8), 2-[2-[2-bromo-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)pyrimidin-1-yl]phenoxy]phenoxy]-2-methyl methoxy acetate (B10), 6-chloro-4-(2,7-dimethyl-1-naphthyl)-5-hydroxy-2-methylpyridazin-3-one (B11), 3-[2-chloro 5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1(2H)pyrimidinyl]-4-fluorophenyl]-3a,4,5,6-tetrahydro-6-methyl-6aH cyclopent[d]isoxazol-6a-methylcarboxylate (B12), 2-[1 [[2-(4-chlorophenoxy)propoxy]imino]butyl]-5-[2 (ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-one (B13), 2-[(2 2 5 10 15 20 25 bromo-6-fluorophenyl)methoxy]-4-isopropyl-1-methyl-7 oxabicyclo[2.2.1]heptane (B14) and diflufenican (B15).;