332 results about "Fluroxypyr" patented technology

The invention discloses a flucarbazone-Na compounded herbicide which comprises an active component I (flucarbazone-Na), an active component II and auxiliary components, wherein the active component II is one or a combination of several of mesosulfuron methyl, isoproturon, chlortoluron, pyroxsulam, Clodinafop-propargyl, carfentrazone-ethyl, tribenuron-methyl, fluroxypyr, methoxone, 2,4-D-butyl ester, dicamba, bromoxynil, thifensulfuron methyl, amidosulfuron, bensulfuron-methyl, flumetsulam, fluoroglycofen-ethyl and florasulam; the auxiliary components comprise an auxiliary agent and also comprise one of a filler and a solvent; the auxiliary agent is one or a combination of two of an emulsifying agent, a dispersant, a wetting agent, a disintegrant, an agglomerant, an antifreezing agent and a thickening agent; the mass sum of the active component I (flucarbazone-Na) and the active component II is 1%-85% of the total mass of the flucarbazone-Na compounded herbicide; and the mass ratio of the active component I to the active component II is (1:20)-(20:1). The flucarbazone-Na compounded herbicide disclosed by the invention is a novel herbicide for preventing and removing weeds in a wheatland.

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.

The invention discloses a weeding composition for a wheat field. The active ingredients of the weeding composition comprise (A): any one of carfentrazone and clodinafop-propargyl, and (B): any one or two of tribenuion methyl, bensulfuron methyl, fluroxypyr, florasulam, pyrazosulfuron, isoproturon and MCPA-Na (2-methyl-4-chloro-phenoxyacetic acid-sodium); or comprise two ingredients of A and any one of B. The ratio of two ingredients is 1-70:1-70, and the ratio of three ingredients is 1-50:1-50:1-50. The composition of the invention can be prepared into missible oil, oil suspension agent, wettable powder, water dispersible granules and the like, and has the advantages of good weeding effect, wide weeding spectrum, small use amount, low residue, safety to crops and low cost. Moreover, the composition has good prevention and control effect in removing broadleaf weeds and partial grass family weeds, the prevention and control rate is over 90%, and the harm of weeds in the wheat field can be essentially controlled throughout the season by once application.

An herbicidal synergistic composition containing (a) fluoroxypyr and (b) an ALS inhibitor herbicide, in which the ALS inhibitor herbicide is penoxsulam, halosulfuron-methyl, imazamox or imazethapyr, provides improved post-emergence weed control in rice, cereal and grain crops, pastures, rangelands, IVM and turf.

The invention relates to a glufosinate-ammonium-containing weeding composition which is mainly characterized by containing 1-80% of effective component A glufosinate-ammonium and 1-60% of effective component B, wherein the effective component B is selected from any one of the following weedicides: sodium 2-methyl-4-chlorophenoxyacetate, carfentrazone-ethyl and fluroxypyr. The glufosinate-ammonium-containing weeding composition is prepared into wettable powder, water-dispersible granules, microemulsion, aqueous emulsion, aqueous solution, soluble solution, soluble powder or oil suspending agent. The weeding composition provided by the invention is used for controlling weed.

The invention discloses a composite weedicide. The composite weedicide comprises a mixture of 95 percent fluroxypyr and 97.4 percent carfentrazone serving as effective ingredients; and the range of the weight ratio of the 95 percent fluroxypyr to the 97.4 percent carfentrazone is between 1:99 and 99:1. The invention also discloses a plurality of preparation formulations of the composite weedicide. In the invention, the 95 percent fluroxypyr and the 97.4 percent carfentrazone are compounded and mixed to serve as a wettable powder preparation, which can give play to the comprehensive advantages of the two medicaments. The composite weedicide can not only achieve the effect of weeding rapidly and radically, but also reduce the dosage and facilitate the use of a peasant. The harm of various broad leaf weeds in a paddy field, a wheat field and a corn field can be prevented by using the weedicide once; therefore, the dosage of the weedicide in the paddy field, the wheat field, the corn field and the like can be reduced; and the prevention and removal effects on noxious weeds can be improved.

The invention discloses a weeding composition for wheat fields, the active component of which is formed by any one combination of methyl-2-ethyl with fenoxaprop-p-ethyl, tribenuron, fluroxypyr, carfentrazone-ethyl or thifensulfuronmethyl herbicide by weight ratio of 1:50-20:1. The composition can be prepared into oil suspension agent, emulsifiable concentrate, wettable powder, dry suspension agentand the like in accordance with the known methods. The composition is characterized by high-efficient weeding effect, wide weeding spectral, less dosage, low residue, low cost, safety to the crops, and better control effect to the broadleaf weeds and grassy weeds, and can basically control the hazards of full season weeds in the wheat fields by the pesticide application once.

The invention relates to a herbicide. The herbicide comprises following raw materials in parts by weight: 40-60 parts of acetochlor, 20-50 parts of glyphosate, 1-5 parts of polyvinyl alcohol, 3-10 parts of fluroxypyr-mepthyl, 3-8 parts of acetone and 2-10 parts of a surfactant. The glyphosate is used for enabling a ternary component to have the obvious synergistic effect by a pure stem and leaf uptake and translocation effect and the combination of fluoroglycofen-ethyl and the fluroxypyr-mepthyl through different mechanisms of stem and leaf touch and root inner uptake and translocation. The glyphosate and a salt thereof are of a low-toxin sterilant herbicide and can be used for preventing and removing all green plants.

The invention discloses a weed controlling compound pesticide composition. The pesticide composition contains such active ingredients as fluroxypyr or esters thereof and topramezone, wherein the weight ratio of fluroxypyr or esters thereof to topramezone is 15: (1-3). The pesticide composition is characterized in that the dosage form of the pesticide composition is wettable powder or water dispersible granules; based on the total weight of the composition, the content of fluroxypyr or esters thereof is 10-70%, the content of topramezone is 2-30% and the content of additives is 10-88%; and theamount of the esters of fluroxypyr is converted into the amount of fluroxypyr. The invention also discloses a preparation method of the wettable powder or water dispersible granules. The pesticide composition is formed by compounding fluroxypyr or esters thereof and topramezone, has low toxicity, wide weed control spectrum, quick effect, good persistence and medium cost, can control broadleaf weeds, annual grass weeds and the like, is a more ideal pesticide variety for controlling weeds in the maize fields and has the advantages of simpleness in production, convenience and safety in use, zeroenvironmental pollution and the like.

Agricultural suspension in oil of Sulfonylureas and combinations with Fluroxypyr or other appropriate herbicides or agrochemicals are disclosed. The resulting formulations have improved stability regarding physicochemical properties of the formulation, as well as stability of the active ingredients allowing to make mixtures not yet available in the market.

The invention relates to a fluroxypyr.cyhalofop-butyl compound weedicide and belongs to the technical field of pesticide. The aim of the invention is to provide the fluroxypyr.cyhalofop-butyl compound weedicide which can prevent and remove both grassy weed and broadleaf weed of a paddy field, has no influence on succession crop, is environment-friendly and has economic price. The fluroxypyr.cyhalofop-butyl compound weedicide comprises the following main technical points that: the fluroxypyr.cyhalofop-butyl compound weedicide is prepared from raw materials and auxiliary materials in percentage by mass: 15 to 60 percent of fluroxypyr, 5 to 20 percent of cyhalofop-butyl, 2 to 15 percent of cosolvent, 5 to 15 percent of surfactant and a solvent replenished till 100 percent. The fluroxypyr.cyhalofop-butyl compound weedicide is safe to paddy; 90 g of the weedicide is used in one mu of the paddyfield and can achieve excellent weeding effect; the weed preventing effect can achieve over 80 percent for thirty days and achieve over 90 percent for sixty days; and with the increase of dosage, the preventing effect is obviously strengthened; and once application of the weedicide can prevent and remove the weeds in the whole growth period and has no influence on the succession crop. The fluroxypyr.cyhalofop-butyl compound weedicide is used for preventing and controlling the weeds of the paddy field.

The invention discloses a herbicide composition and the application thereof. The herbicide composition is prepared by using glyphosate or salt compounds thereof, and fluroxypyr or ester compound thereof as effective ingredients, wherein the weight part ratio of the glyphosate or salt compounds thereof to the fluroxypyr or ester compound thereof is (1:1) to (50:1), preferably (8:1) to (30:1). The total weight of the effective ingredients accounts for 10 to 90 percent of the weight of the composition, and the herbicide composition is used for preventing and extirpating weeds in uncultivated areas, orchards and corn fields. Compared with single agents, the herbicide composition disclosed by the invention has the advantages of obviously improving the control efficiency, reducing the dosage ofpesticides, reducing the adverse impacts of the pesticides on the ecological environment, having great significance in the comprehensive treatment on the herbicide resistance of weeds, and having huge economic benefits and social benefits.

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 discloses a herbicide composition, which is characterized by containing two active ingredients, namely cyhalofop-butyl ((R)-2-[4(4-cyano-2-fluorophenoxy) phenoxy]-butyl propionate and fluroxypyr-mepthyl (4-amino-3.5-dichloro-6-fluoro-pyridine-2-oxyacetic acid isooctyl ester); and a composition preparation for preventing and removing weeds of paddy fields can be prepared from the cyhalofop-butyl and the fluroxypyr-mepthyl with effective dose, solid or liquid carrier, auxiliary agent and other additive by a conventional method. The composition using the cyhalofop-butyl and the fluroxypyr-mepthyl has remarkable additive action, and can synthesize the combined action type, weeding activities and economic costs of the two agents by compounding the cyhalofop-butyl and the fluroxypyr-mepthyl.

The invention describes a herbicide, O, O-demethyl-1-(2, 4-dichlorophenoxy)ethylphosphate (HW02), processing stems and leaves as well as weeding combination, containing an active compound and a compound selected from the compounds: tribenuron, thifensulfuron, methsulfuron, chlorsulfuron, bensulfuron, isoproturon, fluroxypyr, quinclorac, mefenacet ,alachlor, aetochlor, butachlor and metolachlor. The herbicide and its combination are applied to effectively prevent and cure various weeds in dry land, especially cornfield and rice paddy as well as garden, tea garden and lawn. It also describes their preparation and weed processing method as well as application to processing stems and leaves.

The invention discloses a herbicide composition for preventing and killing off farmland weeds and application thereof, and in particular relates to a herbicide for preventing and controlling broadleaf weeds in the wheatfield. The herbicide composition is a triplet herbicide mixture consisting of carfentrazone-ethyl serving as a first active ingredient, tribenuron-methyl or thifensulfuron-methyl serving as a second active ingredient and fluroxypyr serving as a third active ingredient. The weight ratio of the first active ingredient to the second active ingredient to the third active ingredient in the composition is (1-16) to (2-32) to (8-128), and preferably (1-10) to (2-10) to (10-30); and the composition can be prepared into agriculturally allowable formulations such as wettable powder, water dispersible granules and dispersible oil suspending agents in practical application. The composition has the advantages of expanding the weed prevention and control spectrum, reducing the herbicide application frequency, reducing the prevention and control cost, slowing down the production of herbicide resistance of the weeds and meeting the requirement on safety of pesticide formulations, along with reasonable components, good weed control effect and high crop safety.

The invention discloses a composition of fluroxypyr or ester of fluroxypyr and fluoroglycofen-ethyl, which comprises active ingredients, i.e., the fluroxypyr or the ester of fluroxypyr and the fluoroglycofen-ethyl, wherein the weigh ratio of the fluroxypyr or the ester of fluroxypyr to the fluoroglycofen-ethyl is 5:(1-3); the dosage form of the composition of the fluroxypyr or the ester of fluroxypyr and the fluoroglycofen-ethyl is wettable powder and a water dispersible granule; on the basis of the total weight of the composition, the content of the fluroxypyr or the ester of fluroxypyr is 1-70%, and the content of the fluoroglycofen-ethyl is 1-50%, the content of an additive is 10-98%, and the content of fluroxypyr ester is calculated on the basis of the content of the fluroxypyr. The invention also discloses a preparation method of the wettable powder or the water dispersible granule. The composition is compounded by the fluroxypyr or the ester of fluroxypyr and the fluoroglycofen-ethyl, is low in toxicity, wide in weed killing, quick-acting, good in durable effect and moderate in cost, has high weeding activity on broadleaf weeds, is an ideal pesticide variety for preventing and treating broadleaf leaves in wheat lands, and has the advantages of simplicity in production, convenience and safety in use, pollution-free to environments and the like.

The invention relates to a weeding composition which comprises fluroxypyr, bentazone and acceptable auxiliary components in pesticides, wherein the fluroxypyr and the bentazone are used as active components, and the weight percent of the fluroxypyr to the bentazone is 4:1-1:48. By combining the two active components, the weeding composition can have synergy, can prevent and remove various kinds of broad leaved weeds and sedge weeds, obviously improves the weeding effect, and reduces the production cost.

The invention discloses a method for synthesizing fluroxypyr ester. The method comprises the following steps: dissolving 4-amido-3,5-dichloro-2,6 difluoropyridine into a solvent; adding glycollate, an acid-binding agent and a catalyst, heating, and keeping temperature till condensation reaction is complete; and carrying out post-processing to obtain the fluroxypyr ester. The method disclosed by the invention has the beneficial effects of enabling the reaction to be well carried out in a non-polar solvent, namely methylbenzene and the like, by catalyzing the reaction through a phase transfer catalyst, being moderate in condition and wide in application condition, achieving the easiness and convenience for post-processing operation and being simple in route and reduced in cost compared with the traditional process for synthesizing a fluroxypyr ester intermediate.