85 results about "Bromoxynil octanoate" patented technology

The invention discloses a composite pesticide composition containing topramezone and bromoxynil octanoate and a preparation thereof. The composite pesticide composition contains effective components of topramezone and bromoxynil octanoate, wherein the weight ratio of the topramezone to the bromoxynil octanoate is (70:1)-(1: 70). The composite pesticidal composition has an obvious synergistic effect, realizes combined prevention of annual broadleaf weeds and grass weeds, reduces the pesticide amount, reduces the pesticide burden on a farmer and the environment pollution, and has wide developmental and promotional prospects.

The invention discloses an herbicidal composition for a corn field. The composition comprises a component (a) and a component (b), wherein the component (a) is foramsulfuron, the component (b) is at least one of cyanazine, rimsulfuron, atrazine, bentazone, eluthiacet-methyl and bromoxynil octanoate; and the weight ratio of the component (a) to the component (b) is 1:1-70. The herbicidal composition for the corn field can prevent and control gramineous weeds and most broadleaf weeds, has good prevention and control effects and obvious synergy and effectively expands the weed control spectrum.

The invention relates to a weeding composition containing carfentrazone-ethyl and bromoxynil octanoate. The composition is mainly characterized by comprising 1-60 percent of carfentrazone-ethyl and 1-80 percent of bromoxynil octanoate serving as active ingredients, an aid and other excipients and being prepared into wettable powder, water-dispersible granules, a suspending agent, a micro-emulsion, an aqueous emulsion and the like. The weeding composition is used for preventing and controlling broadleaf weeds and sedges.

The invention provides degrading bacteria for eliminating residue of pesticide, namely bromoxynil octanoate, and a degrading bacterial agent thereof, and belongs to the technical field of biology high-technology. The strain is Gram staining reaction negative bacteria XB2 and is identified as Acinetobacter baumannii. The strain has main biological characteristics that: the strain is G-; the thallus has a short-rod shape with the size of 0.9-1.6*1.5-2.5 mu m, has no spores and is strictly aerobic; and the strain is negative for oxidase and positive for catalase and can grow by taking the bromoxynil octanoate as a unique carbon source. The degrading bacteria is directly applied to make bromoxynil octanoate residue in crops reduced by over 90 percent, solves the problem that the bromoxynil octanoate residue in agricultural production is overproof, and can produce non-toxic and nuisanceless green agricultural products.

The invention provides a synergetic weeding composition containing thiencarbazone-methyl and pinoxaden. The synergetic weeding composition is characterized by comprising active components A and B, wherein the component A is thiencarbazone-methyl and pinoxaden; the component B is selected from one or combination of one or more of flufenacet, diflufenican, fluroxypyr and derivatives thereof, carfentrazone-ethyl, flumetsulam, isoproturon, flurtamone, tralkoxydim, thifensulfuron-methyl, foramsulfuron, pyrasulfotole, bromoxynil octanoate, MCPA-2ethylhexyl ester, F4050, SL-1201 and F9600. The synergetic weeding composition also comprises additives used for processing pesticide preparations. The synergetic weeding composition can be prepared into a conventional pesticide preparation and can be used for controlling unwanted plants.

The invention discloses a cornfield herbicide composition containing nicosulfuron. Active ingredients of the cornfield herbicide composition consist of nicosulfuron, bromoxynil octanoate and florasulam, wherein the nicosulfuron accounts for 0.5-20% of the weight of the composition, the bromoxynil octanoate accounts for 1-30% of the weight of the composition, and the florasulam accounts for 0.1-20% of the weight of the composition. The cornfield herbicide composition disclosed by the invention can be prepared into an agriculturally allowable dispersible oil suspending agent, a suspending agent, a water dispersible granules or wettable powder. The cornfield herbicide composition is reasonable in component compounding, shows a significant synergistic effect, improves the control effect on cornfield weeds, expands the control spectrum of the cornfield weeds, increases the fast-acting property, prolongs the persistence, and reduces the medication cost, and the prepared dosage forms have good corn safety. The composition disclosed by the invention has a relatively good control effect on grassy weeds and broadleaf weeds in a cornfield.

The invention discloses a preparation process for bromoxynil octanoate. The preparation process is characterized in that octanoyl chloride, 4-cyanophenol, 50% hydrogen peroxide and bromine are used as reaction raw materials and the preparation process comprises an esterification reaction step and a bromination reaction step according to a reaction sequence. The preparation process has the advantages as follows: the steps of bromination mother liquor recovery, centrifugation and drying are eliminated, dry powder feeding is avoided, the occurrence rate of contamination accidents is reduced, the yield is increased, material consumption is reduced, equipment investment is reduced and the production cost is reduced.

The invention discloses a weedicide composition, a preparation method thereof and application thereof. The weedicide composition is a ternary weedicide composition consisting of nicosulfuron, atrazine and bromoxynil octanoate which serve as active ingredients, wherein the weight ratio of the nicosulfuron, the atrazine and the bromoxynil octanoate is 1:10:5-50:1-30. The preparation method of the composition comprises the following steps of: melting the metered bromoxynil octanoate, throwing the melted bromoxynil octanoate into a ball mill, adding unprocessed pesticides of the nicosulfuron and the atrazine, an auxiliary agent and a solvent into the ball mill, performing ball-milling for 2 to 3 hours, adding the mixture into a sand grinder to grind for 3 to 4 hours, pumping the mixture into a blending tank of a finished product, sampling to analyze and blending. The composition is applicable to prevention and removal of weeds in fields, particularly to the prevention and removal of weeds in a maize field. The weedicide composition of the invention can take the effect of removing seeds in very short time and has good seed removing effect, so that the using amount of weedicides can be reduced.

The invention discloses a weeding composition containing topramezone. The active ingredients of the weeding composition are the topramezone, cyanazine and a cyanophenyl herbicide; the cyanophenyl herbicide is one of bromoxynil octanoate and bromoxynil; the weight percentage of the topramezone in the composition is 0.1%-40%, while the weight percentage of the cyanazine in the composition is 0.1%-30%, and the weight percentage of the cyanophenyl herbicide in the composition is 0.1%-50%, with the balance of pesticide auxiliaries. The weeding composition containing topramezone can be prepared into one of suspension, oil suspension, wettable powder and water dispersible granule; the weeding composition has the control effect obviously superior to that of each single ingredient on annual weeds in a cornfield, so that the dosage is reduced and the herbicide resistance of the weeds is retarded.

The invention relates to a bromoxynil octanoate-containing pesticide composition, which is a ternary compound pesticide composition comprising 5-80% of bromoxynil octanoate, 2-60% of mesotrione, 0.1-40% of nicosulfuron, and the balance of an additive, wherein the bromoxynil octanoate, the mesotrione and the nicosulfuron are adopted as active components, and the composition can be prepared into wettable powder, a water dispersible granule, an oil suspension, a suspension emulsion, a micro-emulsion, and an aqueous emulsion. The weeding composition can be provided for prevention and control of broadleaf weeds and grassy weeds in corn fields and wheat fields.

The invention provides preparation and use methods of a built herbicide. The built herbicide comprises the following components: solvent, 10-16 percent of bromoxynil octanoate, 1-8 percent of nicosulfuron, 10-25 percent of atrazine, and 10-25 percent of emulsifier. The preparation method includes steps as follows: mixing and stirring raw materials, ball milling and grinding with a stander to obtain grains with grain diameter below 10um screening with a 325 mesh sieve to obtain passing rate above 90 percent. The use method is as follows: 150-200ml of built herbicide added with 30kg of water is sprayed for every acre of land. The invention is simple in production process, effective in use, broad in spectrum herbicide, particularly effective on broad-leaved weed, safe for corn, side-effect-free to succession crop, low in preventive cost, and easy in use; in addition, the invention can reduce the pollution to environment and the impact on human health.

The invention provides synergistic weeding composition containing pinoxaden and mesosulfuron-methyl. The synergistic weeding composition is characterized by comprising active components A and B, wherein the active component A contains pinoxaden and mesosulfuron-methyl; the active component B contains one or combination of more than one of carfentrazone-ethyl, flufenacet, pyraflufen-ethyl, bromoxynil octanoate, fenoxaprop-P-ethyl, aminopyralid, flurochloridone and flupoxam; the synergistic weeding composition further contains auxiliaries capable of being used in pesticide preparation processing, conventional pesticide preparations are prepared, and the weeding composition is applied to control for unnecessary plants.

The invention relates to a herbicide composition. The composition contains herbicide active ingredient composition. The herbicide composition is characterized in that the herbicide composition contains such active ingredients as clodinafop-propargyl and bromoxynil octanoate in a weight ratio of (1:100)-(100:1); the clodinafop-propargyl and the bromoxynil octanoate account for 10-60% of the herbicide composition by mass; and the dosage forms of the synergistic herbicide composition are wettable powder, water dispersible granules, suspending agents, emulsion in water, microcapsules and emulsifiable concentrate. The herbicide composition is used for controlling the weeds in the beneficial plant crops. The herbicide composition is used for controlling the weeds in the cereals and the non-selective weeds. The herbicide composition is used for controlling the grass and broadleaf weeds in the wheat fields.

The invention discloses a preparation method of high-purity bromoxynil octanoate. According to a reaction sequence, the preparation method successively comprises bromination reaction and esterification reaction steps, and comprises the following steps: adding water and cyanophenol into a reaction container, and dropwise adding hydrogen peroxide and bromine, controlling a dropwise adding temperature to be 20-100 DEG C, heat-insulating reacting for 1-2 hours, sampling, after the reaction is qualified, adding sodium carbonate to break the excessive hydrogen peroxide, and then adding a solvent, dropwise adding caustic soda liquid and caprylyl chloride simultaneously, controlling a reaction temperature to be 0-50 DEG C, after dropwise adding, heat-insulating reacting for 1-2 hours, sampling, controlling by neutralizing, washing by the water after qualified, recovering the solvent, sampling and detecting, discharging and barreling after qualified. The bromination is firstly performed, and the esterification is performed in the reaction. The reaction is controllable. Existing problems that the esterification reaction is firstly performed so that the space resistance of an octoate group islarge and the reaction activity thereof is weaker than the reaction activity of a phenolic hydroxyl group are solved. The bromination is also performed firstly without using an expensive catalyst, and excessive caprylyl chloride does not need to be recovered by warming at the same time, so the recovery difficulty is reduced.

The invention provides degrading bacteria for eliminating residue of pesticide, namely bromoxynil octanoate, and a degrading bacterial agent thereof, and belongs to the technical field of biology high-technology. The strain is Gram staining reaction negative bacteria XB2 and is identified as Acinetobacter baumannii. The strain has main biological characteristics that: the strain is G-; the thallus has a short-rod shape with the size of 0.9-1.6*1.5-2.5 mu m, has no spores and is strictly aerobic; and the strain is negative for oxidase and positive for catalase and can grow by taking the bromoxynil octanoate as a unique carbon source. The degrading bacteria is directly applied to make bromoxynil octanoate residue in crops reduced by over 90 percent, solves the problem that the bromoxynil octanoate residue in agricultural production is overproof, and can produce non-toxic and nuisanceless green agricultural products.

A herbicide composition is suitable for the field of wheat, barley and other grains crops. Its efficient components includes at least two of fluoroglycofen-ethyl, fluoroglycofen and bromoxynil octanoate. It can be in one of the four forms including emulsified concentrate, wettable powder, water suspension and water dispersible granule. It has high efficiency, low cost, easy use, fast effect, safety to crop, wide herbicidal spectrum and no environmental pollution.

A special flax weedicide and a preparation method thereof belong to the chemical medicine and production technology. The weedicide consists of isooctyl 2-methyl-4-chloro, quizalofop-ethyl, bromoxynil octanoate, emulsifier and dimethylbenzene solution. Partial dimethylbenzene solution is injected into a reaction kettle, all quizalofop-ethyl and bromoxynil octanoate are sequentially poured into the reaction kettle under the state of stirring to be stirred; after the quizalofop-ethyl and the bromoxynil octanoate are solved, all isooctyl 2-methyl-4-chloro and emulsifier and the rest dimethylbenzene solution are poured into the reaction kettle to be stirred and then a sample is taken for analyzing, if the sample is eligible, the preparation is obtained. The weedicide has the characteristics of wide weed control spectrum, low cost, high efficiency of killing weeds, improving the yield of the flax, ensuring economic benefit and simple preparation method.

The invention relates to a flumetsulam containing weeding composition and an application thereof, and particularly to herbicide for controlling grassy weeds and broad leaf weeds in a wheat field. The composition includes flumetsulam, florasulam and bromoxynil octanoate, and other agents are added in the composition to prepare wettable powder, water dispersible granule, suspending agents, oil suspending agents, emulsion in water and microemulsion, wherein the weight ratio of flumetsulam to florasulam and bromoxynil octanoate is 1-60: 0.1-30: 1-80, and preferably 1-40: 0.5-20: 5-70. The components of the composition are reasonable, the control effect of the composition is superior to the activity of each component used individually, and the composition has synergistic effects and has the advantages of expanding weed control spectrum, reducing herbicide application times, control costs and pesticide residue, having high environment admissibility and being safe to people and livestock.

The invention discloses a compound herbicide for a paddy field. The compound herbicide is characterized by consisting of the following effective ingredients in percentage by weight: 75 percent of thifensulfuron and 25 percent of bromoxynil octanoate. The compound herbicide has the advantages that weed species can be effectively expanded, the herbicide has an effect on weeds of different types at different periods, the application frequency and the application dosage are reduced, the agricultural cost is reduced and the pollution is reduced.

The invention provides synergistic herbicidal composition containing pinoxaden and saflufenacil. The herbicidal composition is characterized by comprising an active ingredient A and an active ingredient B, wherein the active ingredient A contains pinoxaden and saflufenacil, and the active ingredient B is any one of or a combination of more of pyraflufen-ethyl, diflufenican, isoproturon, flufenacet, bromoxynil octanoate, indanofan, pyroxasulfone, flupoxam and MCPA-2 ethylhexyl ester. Besides, the herbicidal composition also comprises an aid which can be used during processing of a pesticide preparation. The herbicidal composition can be prepared into conventional pesticide preparations and applied to control of unnecessary plants in a wheat field.

The invention provides a weeding composition containing thiencarbazone-methyl and trifludimoxazin. The weeding composition is characterized by comprising a component A and a component B, wherein A is thiencarbazone-methyl and trifludimoxazin, and B is one of or a combination of more of bromoxynil octanoate, halauxifen-methyl, F4050, SL-1201, F9600 and F9960. The weeding composition further comprises an auxiliary agent that can be used in processing of a pesticide preparation, and is prepared into a conventional pesticide preparation and applied to control on plants which are not needed.

The invention provides a synergic weeding compound containing thiencarbazone and bicyclopyrone. The synergic weeding compound is characterized by comprising an active component A and an active component B, wherein the component A contains thiencarbazone and bicyclopyrone; the component B is selected from one or more of foramsulfuron, isoxaflutole, tembotrions, flufenacet, fluroxypyr and derivative thereof, flumetsulam, dicamba, bromoxynil octanoate, halauxifen-methyl, halosulfuron-methyl, 2,4-drip and derivative thereof, MCPA and derivative thereof, thifensulfuron methyl, metolachlor, s-metolachlor, eluthiacet-methyl, amicarbazone, flufenpyr-ethyl, topramezone, nicosulfuron, rimsulfuron, dimethenamid, dimethenamid-p, metazachlor, diflufenzopyr, benzene azole and F9960; the synergic weeding compound further contains auxiliaries which can be used in pesticide preparation processing. The synergic weeding compound is prepared into a common pesticide preparation and can be used for preventing and treating unwanted plants.

The invention discloses a herbicide for a corn field. The herbicide is composed of an effective ingredient A, an effective ingredient B, an effective ingredient C and a proper pesticide auxiliary. The effective ingredient A is tembotrions, the effective ingredient B is selected from one of thiencarbazone-methyl and nicosulfuron, and the effective ingredient C is bromoxynil octanoate. The composite is composed of, by weight, 1%-40% of the effective ingredient A, 1%-10% of the effective ingredient B, 1%-40% of the effective ingredient C and the balance the pesticide auxiliary. By means of the herbicide, the weeding effect is improved, the herbicide controlling spectrum is enlarged, low toxicity and low residues are achieved, the herbicide using amount, the herbicide using frequency and the use cost are obviously reduced, the effect of the composite is obviously better than that of single dosages, and the herbicide a good novel composite agentia for preventing and removing annual weeds of the corn field.

The invention relates to a pesticide composition with the active ingredients of bicyclopyrone, halosulfuron-methyl and bromoxynil octanoate.The pesticide composition is prepared from, by weight, 1%-30% of bicyclopyrone, 1%-30% of halosulfuron-methyl, 1%-50% of bromoxynil octanoate and the balance pesticide adjuvants.The components of the pesticide composition are reasonable, have a synergistic action on corn field weeds and have an obvious synergistic effect especially on barnyard grass, dayflower and nut grass, the weed control spectrum of a single dosage is broadened, and the risk of weed resistance is reduced.

The invention discloses a weeding composition containing prosulfuron. The weeding composition comprises effective components of prosulfuron, bromoxynil octanoate and atrazine. A weight percentage of prosulfuron in the composition is 0.1%-20%, a weight percentage of bromoxynil octanoate in the composition is 0.1%-30%, and a weight percentage of atrazine in the composition is 0.1%-50%, with the balance being pesticide adjuvants. According to requirements, the weeding composition can be prepared into one of a dispersable suspending agent, a suspending agent, wettable powder and water dispersible granules. The weeding composition has an effect obviously superior to that of each single reagent for annual weeds in a corn field, reduces use amount of pesticide, and prolongs pesticide resistance of the weeds.

The invention provides a pinoxaden and bromoxynil octanoate compound emulsifiable concentrate and a preparation method thereof, and relates to the technical field of prevention and control of annual broad-leaf weeds in wheat fields. According to the present invention, 100 parts of the pinoxaden and bromoxynil octanoate compound emulsifiable concentrate is prepared at least from 5 parts of pinoxaden, 25 parts of bromoxynil octanoate, 7.5 parts of tristyrylphenol polyoxyethylene ether, 7.5 parts of distyrylphenol formaldehyde condensation compound polyoxyethylene ether, 15 parts of calcium dodecylbenzenesulfonate, and the balance of xylene; pinoxaden and bromoxynil octanoate are added to xylene, stirring is performed until both materials are dissolved, the remaining raw materials are added, uniform stirring and mixing are performed through a reaction kettle, sampling is performed and the content is analyzed, standing is performed after the qualified standard is achieved, filtration and packaging are performed, sampling is performed again and the content is analyzed, and warehousing is performed after the qualified standard is achieved; and the obvious synergistic effect can be provided when the 30% pinoxaden and bromoxynil octanoate compound emulsifiable concentrate is subjected to mixing use according to the ratio of 1:5 while the obvious synergistic effect cannot be achieved with the other preparations being subjected to the mixing use according to a certain ratio.

The invention relates to a corn field weeding composition with synergistic effect, which is composed of effective components A, B and C and proper amounts of pesticide adjuvants, wherein the effective component A is halosulfuron-methyl, B is nicosulfuron or rimsulfuron, and C is bromoxynil or bromoxynil octanoate. The weeding composition is reasonable in components, has synergistic effect, overcomes the defects of incomplete weeding spectrum or lower activity for some weed and slow effect taking due to use of single weedicide, and lowers the risk in resistance due to use of single or two-element compounds. The weeding composition has obviously better preventing and treating effects than a single agent, lowers the consumption of the pesticide, and reduces the adverse effect of the pesticide on the ecological environment; and the weeding composition has important meanings for comprehensive treatment of weed resistance, and has huge economic benefit and social benefit.

The invention relates to a weeding combination for eliminating weeds in a wheat field, which comprises an active ingredient a and an active ingredient b, wherein the active ingredient a is clodinafop-propargyl and the active ingredient b is bromoxynil, bromoxynil octanoate, bromoxynil sodium salt or bromoxynil kali salt. The ratio of weight proportions of the active ingredient a and the active ingredient b is 30:1 to 1:30. The weeding combination can be processed into wettable powder, suspensions and water dispersible granules through a conventional preparation process by adding a proper amount of assistants. The weeding combination has the advantages that the weeds in the wheat field can be effectively eliminated after one time of application, the dosage of pesticide is reduced, the use cost is low and the environmental pollution is reduced.