11 results about "Flumetralin" patented technology

This invention discloses a herbicidal composition containing propyzoxystrobin and chlorpyrifos, and its application, belonging to the field of pesticide technology. The active ingredients of this herbicidal composition are propyzoxystrobin and chlorpyrifos, with a weight ratio of propyzoxystrobin to chlorpyrifos of 1:5 to 5:1. Through the synergistic effect of the two active ingredients, this herbicidal composition addresses the seed dormancy and germination characteristics and resistance issues of black nightshade in pumpkin fields, achieving a synergistic control effect of "rapid-acting + long-lasting" and "closed + foliar" action. The control efficiency can reach over 80%, with an optimal ratio reaching as high as 93.1%. It also significantly increases pumpkin yield without adversely affecting pumpkin growth, solving the technical problems of the lack of dedicated control agents for black nightshade in pumpkin fields and the strong resistance of conventional agents in existing technologies.

The invention relates to the technical field of pesticides, and particularly discloses a dispersible oil suspending agent containing refined glufosinate-ammonium and a preparation method of the dispersible oil suspending agent. The invention relates to a dispersible oil suspending agent containing refined glufosinate-ammonium. The dispersible oil suspending agent comprises the following raw materials in percentage: 10-15% of a compound of flumioxazin and refined glufosinate-ammonium, 10-15% of an emulsifier, 1-3% of a dispersing agent, 2-5% of a stabilizer, 0.3-0.8% of a thickening agent, 3-5% of an anti-settling agent, 1-5% of an anti-drifting agent and the balance of oily filler, the flumioxazin and the fine glufosinate-ammonium are adopted as main active pharmaceutical ingredients of the suspending agent, the two agents with different action mechanisms and different action modes can complement each other in advantages, the quick-acting property and the persistence of the agent are enhanced, meanwhile, the development of drug resistance of weeds can be effectively overcome or delayed, and the control effect is improved.

This utility model relates to the field of pesticide production technology, specifically to a device for preparing a compound suspension of propyzamide and metolachlor, comprising a mixing tank, a sealing cover fixedly connected to the upper end of the mixing tank, and a stirring assembly provided on the surface of the sealing cover. The stirring assembly includes a servo motor, a first bevel gear, a stirring frame, a connecting shaft, a second bevel gear, a first stirring blade, a stirring shaft, a third bevel gear, and a second stirring blade. A device housing is fixedly connected to the upper surface of the sealing cover, and a feed chute is provided on the left side of the device housing. Viewing windows are provided on both the front and rear sides of the sealing cover. Through the cooperation of the servo motor, the first bevel gear, the second bevel gear, the third bevel gear, the stirring frame, and the stirring shaft, the first and second stirring blades are driven to rotate in opposite directions, preventing the pesticide solution from rotating in the same direction, facilitating rapid dispersion of the internal suspension, and effectively improving the mixing efficiency and mixing effect of the pesticide solution.

The utility model relates to a kind of for preparing flumetralin crystal form I production device, including high-pressure transformation crystallizer, and tap water import and feeding port are set on high-pressure transformation crystallizer;High-pressure transformation crystallizer is equipped with transformation crystallizer jacket outside, and is equipped with transformation crystallizer coil pipe inside, high-pressure transformation crystallizer kettle bottom is connected with discharge pipe, discharge pipe is connected with suction filter tank, suction filter tank lower liquid discharge is connected with mother liquor receiving tank, mother liquor receiving tank is connected with vacuum pumping device, and mother liquor receiving tank lower liquid discharge is connected with high-pressure transformation crystallizer by mother liquor circulating pump;Hot water circulating kettle is set with heating jacket outside, and hot water circulating kettle is connected with hot water supply pipe, and hot water supply pipe is connected with coil pipe water inlet pipe and transformation crystallization lower outlet pipe respectively by hot water pump, and cooling hot water return pipe is connected with hot water circulating kettle.The device structure is simple, and water is transformed into crystal by high-pressure transformation crystallizer, avoid traditional solvent transformation crystallization solvent residue, lead to in drying temperature process solvent can dissolve part crystal form 1 and produce steady-state crystal form 2, help to improve the purity and yield of transformation crystallization production, suitable for industrial production use.

The invention provides a chemical prevention and control method for artemisia weeds in leguminous forage fields and a herbicide composition thereof, and belongs to the technical field of weed prevention and control, and the chemical prevention and control method comprises the following steps: (1) before sowing, spraying stems and leaves with a killing herbicide to kill germinated weeds; (2) after sowing, spraying a soil closed herbicide on the earth surface to form a pesticide film to inhibit weed germination; the killing type herbicide is a glufosin.glyphosate compound agent or a 2-methylglufosin.glufosinate-ammonium compound agent; the soil closed herbicide is a binary compound composition of flumioxazin and imazethapyr, or a triple compound composition of pendimethalin missible oil, flumioxazin and imazethapyr; according to the invention, the prevention and control effect and safety of the compound combination of different herbicides on the artemisia weeds in the leguminous forage field are defined, a technical basis is provided for scientific prevention and control of the weeds in the leguminous forage field in the northern semi-arid region, and the herbicide has important practical significance for improving the yield and quality of the forage.

The invention belongs to the field of pesticides, and particularly relates to a weeding composition and application thereof. The composition comprises an active component A and an active component B with effective weeding amounts, the active ingredient A is an active ingredient B, and the active ingredient B is selected from one or more of diflufenican, diflufenican, fluridone, toprazole fluridone, saflufenacil, flumioxazin and sulfentrazone. The composition can be used for effectively preventing and removing the problems of gramineous weeds, cyperaceae weeds, broadleaf weeds and the like; the herbicide composition 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 belongs to the technical field of tobacco topping and bud inhibition, and particularly relates to application of isobutene-fluorine in preparation of a tobacco bud inhibitor. Specifically, the invention provides the tobacco bud inhibition composition taking the isobutene-fluorine compound as the active ingredient, and the tobacco bud inhibition composition comprises the following components: 50%-75% of the isobutene-fluorine compound, 2%-6% of sodium lignin sulfonate, 1%-3% of a sodium naphthalene sulfonate formaldehyde polycondensate, 1%-3% of sodium alkyl benzene sulfonate, 2%-5% of glucose, 0.5%-1% of sodium bovine fatty acid, 4%-7% of ammonium sulfate and the balance of corn starch. The pesticide is applied within 24 hours after topping from the tobacco bud elongation stage to the early flowering stage, and the mode of cup spraying, spraying or smearing can be adopted. Field test results show that the isobutene fluorine has a remarkable inhibition effect on axillary bud germination of tobacco plants under a proper dosage, the bud inhibition effect is remarkably superior to butralin and equivalent to flumetralin, the lasting period is long, no phytotoxicity is caused to the tobacco plants, and no adverse influence is caused to the yield and quality of tobacco leaves. According to the invention, the technical prejudice is overcome, the new use of the ethyl butenin on tobacco is realized, and a new choice is provided for the replacement and alternation of the tobacco bud inhibitor.

The invention belongs to the technical field of agricultural compositions, and relates to a tobacco bud inhibition composition. The invention discloses a tobacco bud inhibition composition. Core components of the tobacco bud inhibition composition are flumetralin and quinclorac. The flumetralin and the quinclorac are mixed according to the mass ratio of (0.25-12): (0.005-0.09), the flumetralin and the quinclorac have a synergistic effect, and the bud inhibition effect is superior to that of a single agent after the flumetralin and the quinclorac are mixed. Field trials further verify that when flumetralin and quinclorac are mixed, the mass ratio of flumetralin to quinclorac is within the range of (0.25-12): (0.005-0.09), the bud inhibition effect is better than that of a control group, and no phytotoxicity phenomenon is found after pesticide application. According to the tobacco bud inhibition composition provided by the invention, the bud inhibition effect is improved while the pesticide consumption is reduced, and the tobacco bud inhibition composition which is high in safety and good in bud inhibition effect is provided for the market.

The application discloses application of an OsERF132 gene in improving the resistance of rice to flumioxazine, and an amino acid sequence of a rice OsERF132 protein is shown as SEQ ID NO. 2. The application discloses for the first time that the OsERF132 gene plays a key role in resisting flumioxazine stress, and the resistance of rice with overexpressed OsERF132 gene to flumioxazine is significantly improved, thereby providing a new molecular target for breeding of herbicide-resistant rice, effectively reducing the phytotoxicity of flumioxazine, reducing the environmental pollution of chemical agents, and promoting the development of green agriculture.

The application provides a synthesis method of flumioxazin, and belongs to the technical field of pesticide synthesis. The application takes 2,4-difluoro nitrobenzene as a starting material, and obtains the product flumioxazin through hydrolysis, bromination, etherification, ring closure, propynylization and acylation. The method provided by the application solves the problems of complicated synthesis process, serious environmental pollution and low yield of flumioxazin, and the synthesis method of flumioxazin is suitable for industrial production.

The invention discloses a compound herbicide containing flumioxazin and chlorimuron-methyl as well as a preparation method and application thereof, the compound herbicide comprises the following components in percentage by mass: 30%-80% of active components, 17%-19% of auxiliaries and the balance of filler, and the total percentage is 100%, wherein the active ingredients contain flumioxazin and chlorimuron-ethyl, and the mass ratio of flumioxazin to chlorimuron-ethyl is (1-6): 1. By compounding flumioxazin and chlorimuron-methyl and optimizing the proportion of flumioxazin and chlorimuron-methyl, weed growth can be interfered from different biochemical pathways, cross resistance is not easy to generate, and the weeding composition is reduced and synergistic.