428 results about "Mesotrione" patented technology

This invention relates generally to the detection of genetic differences among soybeans. More particularly, the invention relates to soybean quantitative trait loci (QTL) for tolerance or sensitivity to HPPD-inhibitor herbicides, such as mesotrione and isoxazole herbicides, to soybean plants possessing these QTLs, which map to a novel chromosomal region, and to genetic markers that are indicative of phenotypes associated with tolerance, improved tolerance, susceptibility, or increased susceptibility. Methods and compositions for use of these markers in genotyping of soybean and selection are also disclosed, as are methods and compositions for use of these markers in selection and use of herbicides for weed control. Also disclosed are isolated polynucleotides and polypeptides relating to such tolerance or sensitivity and methods of introgressing such tolerance into a plant by breeding or transgenically or by a combination thereof. Plant cells, plants, and seeds produced are also provided.

A composite herbicide contains sulcotrine-methyl and one of 18 herbicide including propisochlor, acetochlor, atrazine, etc.

The invention discloses a herbicide composite. The herbicide composite comprises topramezone used as a main material and an auxiliary material which contains one or more than one of atrazine, fluroxypyr, bentazone, dicamba, nicosulfuron, mesotrione, 2,4-dichlorophenoxyacetic acid, 2,4-dichlorophenoxyacetic acid butyl ester, 2,4-dichlorophenoxyacetic acid iso-octyl ester, terbuthylazine, MCPA-sodium, foramsulfuron and acetochlor. The herbicide composite is a novel herbicide composite with good weeding effect.

Disclosed is a herbicidal mixture comprising (a) at least one herbicide compound selected from the pyrimidines of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof:whereinR1 is cyclopropyl, 4-Br-phenyl or 4-Cl-phenyl;X is Cl or Br;R2 is H, C1-C14 alkyl, C2-C14 alkoxyalkyl, C3-C14 alkoxyalkoxyalkyl, C2-C14 hydroxyalkyl or benzyl; and(b) at least one additional herbicide or herbicide safener compound selected from the group consisting of (b1) ACCase inhibitors, (b2) AHAS inhibitors, (b3) photosystem II inhibitors, (b4) photosystem I electron diverters, (b5) PPO inhibitors, (b6) EPSP synthase inhibitors, (b7) GS inhibitors, (b8) VLCFA inhibitors, (b9) auxin mimics, (b10) auxin transport inhibitors, (b11) other herbicides selected from the group consisting of flamprop-M-methyl, flamprop-M-isopropyl, difenzoquat, DSMA, MSMA, bromobutide, flurenol, cinmethylin, cumyluron, dazomet, dymron, methyldymron, etobenzanid, fosamine-ammonium, isoxaflutole, asulam, clomazone, mesotrione, metam, oxaziclomefone, oleic acid, pelargonic acid and pyributicarb, (b12) herbicide safeners selected from the group consisting of benoxacor, 1-bromo-4-[(chloromethyl)sulfonyl]benzene, cloquintocet-mexyl, cyometrinil, dichlormid, 2-(dichloromethyl)-2-methyl-1,3-dioxolane, fenchlorazole-ethyl, fenclorim, flurazole, fluxofenim, furilazole, isoxadifen-ethyl, mefenpyr-diethyl, methoxyphenone, naphthalic anhydride and oxabetrinil, and their salts. Also disclosed is a method for controlling the growth of undesired vegetation comprising contacting the vegetation or its environment with a herbicidally effective amount of a mixture of the invention (e.g., as a composition described herein).

A composition comprising herbicidal mixtures of mesotrione impregnated into or coated on the surface of a granular substrate material such as a fertilizer granule and / or a solid inert carrier material is provided for use to control weeds in turfgrasses without causing damage to the grass and methods for the use thereof.

The present invention provides a comprehensive herbicide for paddy fields, which includes component A and component B, wherein component A is mesotrione, and one or more of component A and component B Item compound, used for weeding in the field; component B is alachlor, metolachlor, propachlor, acetochlor, pretilachlor, butachlor, mefenacet, quinclorac , Cyhalofop-methyl, pendimethalin, saponin, bispyribac, saflufenacil, cyclopyrafen, pyrifluben. After the above scheme is adopted in the present invention, the composition of component A and component B has a synergistic effect, and has a good control effect on both grass weeds in paddy fields and broad-leaved and sedge weeds , and the residual effect period is short, does not affect the growth of the next crop, and is friendly to the environment.

The invention discloses a tembotrions compound cornfield herbicide. According to the adopted technical scheme, the herbicide comprises the following components in percentage by weight: 5-80 percent of effective components, 5-15 percent of auxiliaries and 5-80 percent of filler, wherein a first effective component is tembotrions, and a second effective component is any one of atrazine, terbuthylazine / nicosulfuron, foramsulfuron, rimsulfuron / fluroxypyr, MCPA-Na / mesotrione, sulcotrione and topramezone; the weight ratio of the first effective component to the second effective component is (1:8)-(8:1). The technical effect is that multiple grassy weeds, broadleaf weeds and cyperaceae weeds which can be prevented by the independent tembotrions can be also prevented by the tembotrions compound cornfield herbicide; furthermore, a prevention effect for part of grassy weeds and part of broadleaf weeds is improved, the herbicide controlling spectrum is expanded, the safety to the corns is improved, the drug using amount is reduced, the prevention and treatment cost is reduced, and the pollution to the environment is reduced.

The invention provides a preparation method of mesotrione. The preparation method comprises is capable of preparing the target product from raw materials such as ortho-nitrotoluene, chlorosulfonic acid, sulfoxide chloride, sodium sulfite, chloroactic acid, 1,3-cyclohexanedione in the presence of a catalyst and acid-base. The preparation method is based on common chemical raw materials, the reaction flow of each step is implemented under conventional operation conditions, the amount of three wastes is low, the total yield is above 61%, the purity of the product is high, the purity of the coarse product of the mesotrione is greater than 98%, and the coarse product of the mesotrione can be further purified; as a result, the preparation method of mesotrione is applicable to large-scale industrial production.

The invention relates to weed control foliar herbicide compositions in a paddy field, which are three foliar herbicide compositions for eliminating weeds in the paddy field. The three foliar herbicide compositions are the composition of mesotrione and metamifop, the composition of mesotrione and cyhalofop-butyl and the composition of mesotrione and penoxsulam respectively. The single use of the existing herbicide in the paddy field has the limited weed-killing spectrum and can not control all the weeds in the paddy field, and a complex product has poor safety or a narrow using cycle or resistance to the weeds in a water field, thereby limiting the popularization and the applications of the complex product. The three herbicide compositions provided by the invention can overcome the defects and control all the weeds in the paddy field; furthermore, the three herbicide compositions have broader using cycle, no resistance to the weeds in the water field and good safety to paddy rice and succeeding crops.

The present invention relates to the field of pesticide herbicides, and discloses a herbicide composition and a herbicide containing the herbicide composition, the herbicide composition comprises a component A and a component B, the component A is a triketone compound shown as formula (I), and the component B is at least one selected from the group consisting of triazine herbicides, hydroxybenzonitrile herbicides, triazolinone herbicides, diphenyl ether herbicides, pyridinecarboxylic acid herbicides, phenoxycarboxylic acid herbicides, benzoic acid herbicides, pyridine herbicides, chloroacetamide herbicides, sulfonylurea herbicides, triazolopyrimidine herbicides, bentazone, mesotrione and topramezone. The herbicide composition can broaden the herbicidal spectrum and can improve the controleffect and retard the occurrence of weed drug resistance and anti-drug property.

The invention relates to a weeding composition containing pyroxasulfone. The active components of the weeding composition are pyroxasulfone (A) and (B) at least one of mesotrione, topramezone and tembotrions, the weight part ratio of the active component A to the active component B is 50: 1 to 1: 65, the total weight part of the active components A and B in the weeding composition preparation accounts for 1 to 80 percent of that of the overall preparation, and the weeding composition can be prepared into pesticide preparation formula such as wettable powder, suspending agent, missible oil, microemulsion, emulsion in water, granules and water dispersible granules. The weeding composition has a remarkable synergic effect, the stability in different environments such as different temperatures can be enhanced, the weeding spectrum can be enlarged, the resistance of weeds to herbicides can be slowed down, the weeding composition is easily degraded in the environment after the lasting period, some components can be finally degraded into harmless gases such as carbon dioxide, and thus the weeding composition is more environment-friendly.

The invention discloses a composite method of triketone compound shown in the formula (I). In the formula (I), X is Cl or NO2. The composite method is as follows: enol ester shown in the formula (II) generates rearrangement reaction under the action of an alkaline reagent and a rearrangement catalyst in organic solvent; after reaction ends, the obtained reaction liquid is acidized and separated to obtain the triketone compound; the rearrangement catalyst is purine compound. The composite method of the triketone compound (sulcotrione and mesotrione) of the invention adopts the catalyst with small toxicity, protects environment, has high product yield and is suitable for industrial production.

The invention discloses sugarcane field herbicide for low-volume spraying. The herbicide is in a form of a suspending agent; the pesticide ingredients include ametryn and herbicide II, wherein the herbicide II is prepared from one or combination of two of agroxone, diuron, hexazinone, tebuthiuron, halosulfuron-methyl, trifloxysulfuron, mesotrione or topramezone. According to the sugarcane field herbicide for low-volume spraying, ametryn and the herbicide II are mixed in a certain ratio and have synergistic effect on removing weeds of a sugarcane field, and the prevention and treatment effect is obviously superior to that of single agent; meanwhile, the herbicide can be prepared into the suspending agent for low-volume spraying, and therefore, the drift possibility can be obviously reduced, and the wetting and spreading performances of the components of pesticides can be improved; the herbicide also has the advantages of labor saving, water saving, drug saving, high in efficiency, long acting, environmental protection, and low in cost; the labor intensity can be greatly alleviated; the manual drug applying efficiency is improved, the labor can be greatly released, the agricultural production cost can be reduced, and the modern level of weeding the sugarcane field can be increased.

The invention discloses a synthesis method of mesotrione. The method includes the following steps that firstly, acylation is performed, wherein 2-nitro-4-methylsulfonylbenzoic acid and acylating agents are subjected to an acylation reaction under catalysis of depolymerizing agents, acylation reaction liquid is obtained, and the temperature of the acylation reaction is 10-70 DEG C; secondly, esterification is performed, wherein acid binding agents and 1,3-cyclohexanedione are added in esterification reaction liquid, an esterification reaction is performed, the esterification reaction liquid is obtained, the temperature of the esterification reaction is 30-65 DEG C, and the acid binding agents are inorganic acid; thirdly, rearrangement is performed, wherein rearrangement agents are added in the esterification reaction liquid so that a rearrangement reaction can be performed, and coarse product reaction liquid is obtained; fourthly, refining is performed, wherein the coarse product reaction liquid is subjected to alkali liquor reverse extraction, acidification and recrystallization, and mesotrione is obtained. The method is easy to operate, the raw materials are easy to obtain, the reactant conversion rate is high, reaction is thorough, the purity of the product is high, and the synthesis method is applicable to industrial production.

The invention discloses a combined oil-suspended injection composition used for weeding, comprising the following components by weight percent: 2-20% of mesotrione, 2-10% of nicosulfuron, 15-50% of atrazine, 5-15% of emulsifiers, 1-3% of dispersant and the balance plant oil or esters of the plant oil. The composition of the invention has good synergistic effect and has especially obvious synergistic effect on broadleaf weeds. The composition also expands the weed control spectrum, reduces the drug consumption, improves the safety of the succeeding crops and can achieve stable weeding effects in arid regions or at low temperature.

The invention discloses an oil-suspension agricultural mesotrione preparation as well as a preparation method and applications thereof. The oil-suspension agricultural mesotrione preparation is prepared from the following components in parts by weight: 3-22 parts of mesotrione, 10-20 parts of emulsifier, 3-8 parts of thickener and 50-80 parts of oil solvent. The components of the mesotrione, the emulsifier, the thickener and the oil solvent, which are provided by the invention, are scientifically and reasonably proportioned, a plurality of surface active agents are filtered and compounded to select an optimal emulsifier for preparing oil-suspension agricultural mesotrione preparation, the prepared preparation has the properties all according with the requirements on an oil-suspension preparation, and particularly, the active constituent mesotrione has greatly improved structural stability and obviously decreased resolution ratio, can be stored for a long time and is convenient to use. The preparation method of the oil-suspension agricultural mesotrione preparation, which is provided by the invention, has strong operability and high production efficiency and can realize industrialized mass production.

The invention discloses a gibberellic acid-containing herbicide composition and a preparation method as well as application thereof. The gibberellic acid-containing herbicide composition is prepared from the following components in parts by weight: 0.01 to 99 parts of gibberellic acid and 1 to 90 parts of herbicide; the herbicide is one or a mixture of at least two of cyhalofop-butyl, penoxsulam, metamifop, bispyribac-sodium, quinclorac, anilofos, pretilachlor, butachlor, mefenacet, bensulfuron methyl, pyrazosulfuron-ethyl, pyriminobac-methyl, bentazone, mesotrione, halosulfuron-methyl, metolachlor, pendimethalin, oxadiazon, oxadiargyl, MCPa, fluroxypyr and diflufenican. The gibberellic acid-containing herbicide composition has synergism to weed prevention and control, the weed control efficiency is improved, the safety of the herbicide to crops can be improved, the herbicide phytotoxicity problem in agricultural production is fundamentally solved, and meanwhile the crop yield is improved by adjusting crop growth.

The invention relates to a herbicidal composition containing mesotrione. The composition is mainly characterized in that: the herbicidal composition contains 1-60% of an active component A mesotrione, 1-80% of an active component B, an assistant, and other excipients, wherein the active component B is selected from clopyralid, pendimetalin, dicamba, and metribuzin; and the composition can be prepared into a wettable pulvis, a water dispersible granule, a suspending agent, a suspended emulsion, a micron emulsion, and an emulsion in water. The herbicidal composition of the present invention can be used for controlling weeds in fields.

The invention discloses a weeding composition containing atrazine and mesotrione and application thereof. The composition takes the atrazine and the mesotrione as effective active ingredients. The weeding composition can effectively prevent and eradicate barnyard grass, crab grass, green bristlegrass and other annual weeds in maize fields, and has the control effect obviously higher than that of a weed killer singly using the atrazine or the mesotrione. In addition, with the composition, the pesticide effect is improved, the dosage is lowered, the economic cost is saved, the application dose of each active substance is greatly reduced, the residual in the environment is reduced, the production of herbicide resistance of weeds is delayed at the same time, the service life of the composition is prolonged, and thus the composition has important ecological significance and environmental protection significance.

The invention relates to the technical field of pesticides and in particular relates to a weeding composition and a preparation thereof. The weeding composition provided by the invention comprises thiencarbazone-methyl and mesotrione; the invention provides an optimal ratio of thiencarbazone-methyl to mesotrione when thiencarbazone-methyl and mesotrione serve as weedicide components; a weedicide provided by the invention has a very good prevention effect on nearly all weeds in a maize field; the ratio of thiencarbazone-methyl to mesotrione is 1 to (2-25); the co-toxicity coefficient is more than 120; a remarkable synergistic effect is achieved; the usage amount of the weedicide can be reduced; the labor force is saved; in addition, the composition provided by the invention is simple in process and common in auxiliary materials in a weedicie preparation process; a test shows that when the usage amount of the weedicide is 100g / hm<2>, the prevention effect on grassy weeds and broadleaf weeds in the maize field caused by the weedicide is remarkably superior to that of a thiencarbazone-methyl or mesotrione preparation.

The invention relates to a herbicide composition containing mesotrione and nicosulfuron, which uses the mesotrione and the nicosulfuron as active ingredients, wherein the weight ratio of the mesotrione to the nicosulfuron is between 1:15 and 15:1. The invention has the advantages of low toxicity, weak allergenicity, few damages to human and livestock, broad herbicide controlling spectrum and remarkable weed control strengthening effect and is suitable for preventing and controlling various weeds in fields of various crops, particularly corn fields.

To provide a herbicidal composition having a wide herbicidal spectrum, being highly active and having a long lasting effect. A herbicidal composition comprising (α) a compound of the formula (I) or its salt: wherein R is a hydrogen atom or —COCH2OCH3 and (β): at least one compound selected from the group consisting of the following compounds, as active ingredients: at least one sulfonylurea compound selected from (B1.1) bensulfuron-methyl, (B1.2) azimsulfuron, etc.; (B2.1) pyriminobac-methyl; an acetamide compound such as (B3.1) pretilachlor, etc.; at least one benzoyl compound selected from (B4.1) benzobicyclon, (B4.2) mesotrione, etc.; (B5.1) simetryn; and so on.

The invention discloses a topramezone-containing herbicide composition for a corn field. The composition consists of topramezone, mesotrione and atrazine; the weight ratio of topramezone to mesotrione to atrazine is (0.5-40): (1-40): (5-80); the sum of the contents of topramezone, mesotrione and atrazine is 5-85 percent of the total weight of the composition. The composition can be prepared into a suspending agent, water dispersing granules, wettable powder or a dispersible oil suspending agent which is available in agriculture. The components of the composition are reasonable in mixing and an outstanding synergism effect is achieved; the prevention and treatment effect on weeds in the corn field is enhanced, the prevention and treatment spectrum for the weeds in the corn field is expanded, the pesticide application period is prolonged, and the pesticide use cost is lowered; the prepared dose form is high in safety to corns; the composition has a relatively good prevention and treatment effect on grassy weeds and broadleaf weeds in the corn field.

The invention provides a postemergence cassava field herbicide with mesotrion as an active component, which comprises the mesotrion as the active component, and after being added with suitable adjuvant and carrier, the postemergence cassava field herbicide can be prepared into various agent forms such as suspension, water-dispersible granules, wettable powder, aerosol, slow-release agent, granules, emulsion in water, microemulsion or effervescent tablets. As selective herbicide for cassava fields, the herbicide cannot cause chemical resistance, has a good control effect on gramineous weeds, latifolious weeds and cyperaceae weeds, can comprehensively prevent and eliminate a variety of weeds in cassava fields, is safe and low in toxicity and residue for cassava, is easy to popularize, decreases labor intensity, and reduces the production cost.

The invention relates to a methyl sulcotrione oil suspension concentrate combination which is characterized by comprising the following components by weight percent: 5 percent to 25 percent of methylsulcotrione, 1 percent to 10 percent of emulsifier, 2 percent to 6 percent of wetting dispersant, 1 percent to 5 percent of suspension stabilizer, 1 percent to 5 percent of antifreezer, 0 percent to 0.2 percent of organosilicon defoamer and vegetable oil up to 100%. The vegetable oil is at least one of jatropha curcas oil methyl and jatropha curcas oil. The methyl sulcotrione oil suspension concentrate adopts inedible vegetable oil which has wide sources as a suspended carrier, and has the advantages of non competition for food with people, high safety and low cost. A formula applies a novel high-efficiency multifunctional agent such as lignosulfonate grafted with polymers, polycarboxylate, polymer carboxylate with rosin and the like, and has high suspensibility.

The invention relates to the field of pesticide preparations and discloses a herbicide composition. The herbicide composition comprises pyroxasulfone and mesotrione in a weight ratio of (1:0.2)-(1:10). The invention also provides herbicide composition preparations. The active ingredients of the herbicide composition preparations are formed by the herbicide composition. The herbicide composition and conventional auxiliary materials can be prepared into the herbicide composition preparations in such dosage forms as suspending agents, wettable powder or water dispersible granules according to the known methods. The herbicide composition has the following beneficial effects that the herbicide composition is formed by compounding pyroxasulfone and mesotrione, expands the weed-controlling spectrum, can simultaneously control most weeds in the corn fields, enhances the effect of controlling such weeds as green bristlegrass, crab grass, goosefoots and amaranthus retroflexus, simultaneously has the advantages of long use age, safety to later crops, long duration and environmental safety and can be widely applied to the field of agriculture.

The invention belongs to the field of pesticide mixing, and discloses a composition of corn field herbicides. The composition is a suspoemulsion, a water suspending agent or an oil suspending agent composed of A, B and C herbicide compounds serving as active ingredients, and the active ingredient content of the composition is 5 to 60 percent; A is mesotrione, B is one or more of triazine herbicides, and C is one or more of amide herbicides, wherein the composition contains one herbicide compound A, at least one herbicide compound B selected from the following compounds and at least one herbicide compound C selected from the following compounds; and according to the formula, the composition is ground under high pressure, emulsified and dispersed into the suspoemulsion, the water suspending agent or the oil suspending agent according to different proportions, and is used for preventing and killing weeds in corn fields at the post-emergence stage.

The invention provides a compound rice field herbicide, and relates to the technical field of pesticides. The compound rice field herbicide is mainly prepared from 0.05%-49.7% of pyraclonil, 0.3%-49% of a herbicide and the balance auxiliary materials, wherein the herbicide is selected from one or more of pyriminobac-methyl, mesotrione, triafamone, propyrisulfuron, dichloroquinoline oxadiazon and cyhalofop-butyl. The compound rice field herbicide has the good weeding effect, is long in durable period and can effectively reduce harm to the environment.