51 results about "Clomazone" patented technology

The present invention discloses a stirred reactor for synthesizing clomazone and a method thereof, specifically relating to the field of clomazone synthesis. The reactor comprises a barrel, a feed port, a support plate, and legs. The barrel has a feed port at the top, a support plate mounted on the bottom of the barrel, and multiple legs mounted on the bottom of the support plate. A baffle is welded inside the barrel, a stirring mechanism is connected to one side of the baffle, the top of the stirring mechanism is mounted on the top of the barrel, a bracket is welded to the top of the barrel, an extrusion mechanism is mounted on the bracket, and the bottom of the extrusion mechanism communicates with the interior of the barrel. A discharge pipe is mounted at the bottom of the barrel, an anti-blocking pipe is welded to the bottom of the discharge pipe, and a filter plate is mounted inside the discharge pipe. The present invention has the advantages of preventing the generation of sticking particles, pulverizing sticking particles, ensuring sufficient mixing between the material and the solution, high stirring efficiency, facilitating the addition of the solution, facilitating the filtration of solid particles generated during the reaction to achieve solid-liquid separation, and facilitating cleaning of the reactor.

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 present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in soybeans, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, cycloxydim, fenoxaprop, fenoxaprop-ethyl, fenoxaprop-P, fenoxaprop-P-ethyl, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, propaquizafop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, sethoxydim, chlorimuron, chlorimuron-ethyl, nicosulfuron, oxasulfuron, thifensulfuron, thifensulfuron-methyl, tritosulfuron, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, cloransulam, cloransulam-methyl, diclosulam, flumetsulam, atrazine, metribuzin, linuron, monolinuron, bentazone, bentazone-sodium, acifluorfen, acifluorfen-sodium, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, lactofen, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflurazon, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, pyrasulfotole, tembotrione, topramezone, fenquinotrione, glyphosate, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin; acetochlor, alachlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pethoxamid, pyroxasulfone, 2,4-D and its salts and esters, clopyralid and its salts and esters, dicamba and its salts and esters, quinclorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, tepraloxydim, cinmethylin and other compounds.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active component A and an active component B. The active component A is isoxamid or ester thereof, the active component B is oxadiargyl and oxadiazon, and the mass ratio of the active component A to the active component B is 3: 80-96: 5. The weeding composition provided by the invention can effectively improve the control effect on weeds, is high in safety to field crops, and meets the requirements of comprehensive control on weeds in rice fields.

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.

Herbicidal composition comprising: a fluroxypyr ester (e.g. fluroxypyr methylheptyl ester); an amide of formula (I); and a lactamide of formula (II), wherein R1 is a C5 to C19 alkyl group, R2 and R3 are independently selected from C1 to C6 alkyl and; each of R4 and R5 is independently selected from a C1 to C6 alkyl group. The lactamide may be N,N-diethyl lactamide and the amide may be a mixture comprising N,N-dimethyl octanamide and N,N-dimethyl capramide. The composition may further comprise auxiliaries (e.g. emulsifiers, adjuvants) and herbicidally active compounds (e.g. clomazone or cyhalofop-butyl). Also claimed are a method of preparing the composition by mixing the three essential components and the use of the amide and lactamides of formulae (I) and (II) to increase the stability of an emulsifiable concentrate comprising fluroxypyr ester. Claimed is a method of controlling plant growth comprising applying to the plants or their locus a composition as defined.

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 provides a preparation method of isoxaflutole, and belongs to the technical field of medicine synthesis. According to the method, 2-nitro-4-trifluoromethyl benzoic acid is taken as a raw material, an important intermediate 1-cyclopropyl-3-(2-methylthio-4-trifluoromethylphenyl) propane-1, 3-diketone is generated through esterification, methylthio and condensation reaction, and then the target product isoxaflutole is generated through nucleophilic substitution, ring closing reaction and oxidation reaction. The preparation parameters of the methylthio and condensation reaction and the ring closing reaction are precisely limited, so that the whole-course yield of the isoxaflutole is 67.24% (based on 2-nitro-4-trifluoromethyl benzoic acid).

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in conventional and tolerant, e.g. glufosinate-tolerant, cotton, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, metamifop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, chlorimuron, chlorimuron-ethyl, thifensulfuron, thifensulfuron-methyl, trifloxysulfuron, tritosulfuron, imazamethabenz, imazamethabenz-methyl, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, pyrithiobac, pyrithiobac-sodium, amicarbazone, atrazine, prometryn, diuron, fluometuron, thiadiazuron, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, pyraflufen, pyraflufen-ethyl, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflurazon, picolinafen, clomazone, topramezone, fenquinotrione, mesotrione, bicyclopyrone, isoxaflutole, tembotrione, tolpyralate, glyphosate, glyphosate dimethylammonium, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin, acetochlor, alachlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pyroxasulfone, 2,4-D and its salts and esters, dicamba and its salts and esters, fluroxypyr, fluroxypyr-butometyl, fluroxypyr-meptyl, quinclorac, quinclorac dimethylammonium, quinmerac, cinmethylin, endothal, cycloxydim, sethoxydim, diflufenzopyr, diflufenzopyr-sodium, bentazone and bentazone-sodium and other compounds.

The invention relates to a weeding composition containing fentrazamide and clomazone, wherein the weight ratio of fentrazamide to clomazone is (1: 40)-(40: 1). Through a large number of screening tests in the earlier stage, it is found that the two selected herbicides have a synergistic effect under the limited proportion of the herbicide after being compounded. The invention also relates to an application of the weeding composition in prevention and control of agricultural weeds.

The invention relates to a synergistic herbicidal composition for controlling undesired vegetation or weeds for longer period in plants, more particularly to a synergistic composition comprising pyroxasulfone; sulfentrazone; and at least one additional herbicide selected from clomazone, diclosulam and flumioxazin. The invention further relates to formulations and methods of controlling undesired vegetation with the composition and provides the advantages of enhanced efficacy, increased spectrum of activity, improved shelf life, improved plant vigour and yield.

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in conventional and tolerant, e.g. glufosinate-tolerant, cotton, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, metamifop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, chlorimuron, chlorimuron-ethyl, thifensulfuron, thifensulfuron-methyl, trifloxysulfuron, tritosulfuron, imazamethabenz, imazamethabenz-methyl, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, pyrithiobac, pyrithiobac-sodium, amicarbazone, atrazine, prometryn, diuron, fluometuron, thiadiazuron, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, pyraflufen, pyraflufen-ethyl, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflurazon, picolinafen, clomazone, topramezone, fenquinotrione, mesotrione, bicyclopyrone, isoxaflutole, tembotrione, tolpyralate, glyphosate, glyphosate dimethylammonium, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin, acetochlor, alachlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pyroxasulfone, 2,4-D and its salts and esters, dicamba and its salts and esters, fluroxypyr, fluroxypyr-butometyl, fluroxypyr-meptyl, quinclorac, quinclorac dimethylammonium, quinmerac, cinmethylin, endothal, cycloxydim, sethoxydim, diflufenzopyr, diflufenzopyr-sodium, bentazone and bentazone-sodium and other compounds.

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 application discloses a synthesis process of chlorobenzoic acid, and the NiMo-Sb2O3 / TiO2-CeO2-MgO composite catalyst prepared by the method can better prepare ortho-chlorotoluene, has high selectivity and long service life, and has mild process conditions and small carbon deposition amount, so that the application has important significance for improving product quality, reducing production cost and promoting green development of the industry.

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in soybeans, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, cycloxydim, fenoxaprop, fenoxaprop-ethyl, fenoxaprop-P, fenoxaprop-P-ethyl, fluazifop, fluazifop-butyl, fluazifop-P, fluazifop-P-butyl, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, propaquizafop, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, sethoxydim, chlorimuron, chlorimuron-ethyl, nicosulfuron, oxasulfuron, thifensulfuron, thifensulfuron-methyl, tritosulfuron, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazaquin, imazethapyr, imazethapyr ammonium, cloransulam, cloransulam-methyl, diclosulam, flumetsulam, atrazine, metribuzin, linuron, monolinuron, bentazone, bentazone-sodium, acifluorfen, acifluorfen-sodium, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, fomesafen, lactofen, oxyfluorfen, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, norflurazon, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, pyrasulfotole, tembotrione, topramezone, fenquinotrione, glyphosate, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin; acetochlor, alachlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pethoxamid, pyroxasulfone, 2,4-D and its salts and esters, clopyralid and its salts and esters, dicamba and its salts and esters, quinclorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, tepraloxydim, cinmethylin and other compounds.

The invention belongs to the technical field of compound pesticides, and discloses a weeding composition containing dichloroclomazone and pinoxaden. In the weeding composition, the mass ratio of pinoxaden to dichloro clomazone is (0.8-2.2): (1-7), and the mass percentage content of the effective active ingredients in the preparation is 1%-80%. The weeding composition disclosed by the invention can be prepared into missible oil, a dispersible oil suspending agent and water dispersible granules. According to the weeding composition, the two active components are compounded to achieve an obvious synergistic effect, the dosage of the pesticide can be reduced, the cost can be reduced, the weed control spectrum can be expanded, and the weeding composition has an excellent control effect on gramineous weeds in wheat fields.

The present invention relates to herbicidal mixtures and their methods and uses for controlling undesirable vegetation in glufosinate-tolerant corn, wherein the herbicidal mixtures comprise L-glufosinate and and at least one herbicidal compound II selected from clethodim, cycloxydim, haloxyfop, haloxyfop-methyl, haloxyfop-P, haloxyfop-P-methyl, quizalofop, quizalofop-ethyl, quizalofop-tefuryl, quizalofop-P, quizalofop-P-ethyl, quizalofop-P-tefuryl, chlorimuron, chlorimuron-ethyl, foramsulfuron, halosulfuron, halosulfuron-methyl, iodosulfuron, iodosulfuron-methyl-sodium, nicosulfuron, prosulfuron, rimsulfuron, thifensulfuron, thifensulfuron-methyl, tritosulfuron, imazamox, imazamox ammonium, imazapic, imazapic ammonium, imazapyr, imazapyr isopropylammonium, imazethapyr, imazethapyr ammonium, diclosulam, flumetsulam, florasulam, metosulam, thiencarbazone, thiencarbazone-methyl, atrazine, simazine, terbuthylazin, bromoxynil and its salts and esters, bentazone, bentazone-sodium, pyridate, carfentrazone, carfentrazone-ethyl, flumiclorac, flumiclorac-pentyl, flumioxazin, fluthiacet, fluthiacet-methyl, saflufenacil, sulfentrazone, tiafenacil, trifludimoxazin, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, sulcotrione, tembotrione, tolpyralate, topramezone, fenquinotrione, glyphosate, glyphosate dimethylammmonium, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, acetochlor, butachlor, dimethenamid, dimethenamid-P, metazachlor, metolachlor, S-metolachlor, pethoxamid, flufenacet, pyroxasulfone, 2,4-D and its salts and esters, clopyralid and its salts and esters, dicamba and its salts and esters, quinclorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, cinmethylin, MCPA and its salts and esters and other compounds.

The present invention relates to herbicidal composition comprising (A) a herbicidally effective amount of a compound of Formula (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 agrochemically acceptable ester or salt thereof, selected from the group consisting of icafolin (B1) (or icafolin-methyl (B1a)), benquitrione (B2), broclozone (B3), butachlor (B4), clomazone (B5), cyclopyranil (B6), fluchloraminopyr (B7) (or (fluchloraminopyr -tefuryl (B7a)), flufenoximacil (B8), pyraquinate (B9), methyl 2-[2-[2-bromo-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)pyrimidin-1- yl]phenoxy]phenoxy]-2-methoxy-acetate (B10), 6-chloro-4-(2,7-dimethyl-1-naphthyl)- 5-hydroxy-2-methyl-pyridazin-3-one (B11), methyl 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]isoxazole-6a-carboxylate (B12), 2-[1-[[2-(4- chlorophenoxy)propoxy]imino]butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1- one (B13), 2-[(2-bromo-6-fluoro-phenyl)methoxy]-4-isopropyl-1-methyl-7- oxabicyclo[2.2.1]heptane (B14) and diflufenican (B15).

The invention discloses a weeding composition and a preparation method thereof. The weeding composition is prepared from the following components in percentage by weight: 10.5 to 31.5 percent of butralin, 10 to 30 percent of s-metolachlor, 5 to 10 percent of clomazone, 10 to 30 percent of compound emulsifier and the balance of compound solvent. The weeding composition provided by the invention can effectively prevent and remove annual weeds in a tobacco field, is safe to tobacco, high in preparation stability, long in weed closing time, low in dosage and very high in market value, and solves the problems of poor safety, short lasting period, high dosage and the like in the process of preventing and removing the annual weeds in the tobacco field by using an existing medicament.

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 present invention discloses a herbicide composition, its preparation method, and application. The composition comprises clomazone and either flufenacet or mefenacet. The weight ratio of clomazone to flufenacet is 1:0.27-4.44, and the weight ratio of clomazone to mefenacet is 1:1.11-17.78. The herbicide composition of the present invention can effectively control weeds in wheat and rice fields, effectively killing different weed groups. When used in combination, it exhibits a significant synergistic effect against malignant grass weeds in wheat and rice fields, significantly reducing herbicide dosage and improving safety for wheat and rice. The components of the combined agents complement each other in their herbicidal spectrum. When mixed, the herbicidal spectrum effectively covers a variety of common weeds in wheat and rice fields, extending the duration of action after application. The composition is highly active against resistant weeds that are extremely difficult to control in wheat and rice fields, and has significant market potential.

The invention provides a weeding composition containing dichloro-clomazone and anilofos. The effective components of the weeding composition comprise the dichloro-clomazone and the anilofos. The sum of the weight of the effective components of the weeding composition accounts for 1-80% of the total weeding composition; the weight ratio of the dichloro clomazone to the anilofos is (1 to 40): (1 to 30). The weeding composition can be prepared into various preparation forms, preferably missible oil, dispersible oil suspending agent, microemulsion or suspoemulsion. The weeding composition is especially effective for preventing and removing weeds, and is especially effective for preventing and removing annual weeds such as barnyard grass in transplanting fields and direct seeding fields of rice; the composition has the advantages of obvious synergistic effect, high safety and long sealing special effect period.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition containing pyroxasulfone 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 pyroxasulfone, the active ingredient B is clomazone, the active ingredient C is pendimethalin, and the active ingredient B is dimethalin. The mass ratio of the active component A to the active component B to the active component C is (1-5): (5-50): (3-50). The weeding composition disclosed by the invention can be used for preventing and killing annual broadleaf weeds and grassy weeds in soybean fields, has a remarkable prevention and killing effect, and has the advantages of good quick-acting property, long lasting period, safety to crops and the like.