58 results about "Bicyclopyrone" patented technology

The invention provides a synergetic weeding composition containing thiencarbazone-methyl. The synergetic weeding composition is characterized by comprising active components A and B, wherein the component A is thiencarbazone-methyl; the component B is selected from one or combination of one or more of pinoxaden, bicyclopyrone, flucetosulfuron, aminopyralid, metamifop, glufosinate-p, aminocyclopyrachlor and tiafenacil. 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 belongs to the field of pesticides, and particularly relates to a binary weeding composition and application thereof. The binary weeding composition comprises an active component A and an active component B with effective weeding amounts, the active component A is bicyclopyrone, dicarfentrazone-ethyl, topramezone and triazole sulcotrione, and the active component B is selected from one of the following compounds and acids / salts / esters thereof: cinmethylin, trifludimoxizin, indazim, tetflupyrolidine, dichloroclomazone, dimesulfazet, epofenacil and cyclopyrimorate. The composition can effectively prevent and eliminate various weed problems, and has the characteristics of expanding the weed control spectrum, reducing the application amount, generating a synergistic effect, solving resistant weeds and the like.

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 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 relates to a pesticide composition. Bicyclopyrone, halosulfuron-methyl and atrazine serve as active ingredients of the pesticide composition. The pesticide composition is prepared from, by weight, 1%-30% of bicyclopyrone, 1%-30% of halosulfuron-methyl, 1%-50% of atrazine and the balance pesticide adjuvants. The pesticide composition is prepared from reasonable components, has a synergistic effect on corn field weeds, has an obvious synergistic effect especially on setaria viridis, abutilon theophrasti and cyperus rotundus, broadens the weeding spectrum of a single dose and lowers the risk of resistance of weeds.

The invention provides a synergistic weeding composition containing flufenacet and saflufenacil. The weeding composition is characterized by comprising active ingredients A and B, wherein the active ingredient A is flufenacet and saflufenacil, the active ingredient B is one or combination of thiencarbazone-methyl and bicyclopyrone, the weeding composition also contains auxiliaries which can be used in pesticide preparation processing, and the weeding composition is prepared into the conventional pesticide preparation and is applied to control of undesired plants.

The invention provides a synergistic weeding composition containing thiencarbazone-methyl and iofensulfuron. The synergistic weeding composition is characterized by comprising an active ingredient A and an active ingredient B, wherein the active ingredient A is thiencarbazone-methyl and iofensulfuron; and the active ingredient B is one or combination of more than one of bicyclopyrone, halauxifen-methyl, 2-methyl-4-chlorophen ethylhexyl acrylate, F4050, SL-1201, F9600 and F9960, including promoter which can be used in pesticide preparation processing. The weeding composition can be used for preparing conventional pesticide preparation, and can be applied to prevention and control of unnecessary plants.

The invention relates to a pesticide composition which is prepared from bicyclopyrone, halosulfuron-methyl and pyridine carboxylic acid herbicide. The pyridine carboxylic acid herbicide is selected from one of aminopyralid and fluroxypyr-mepthyl. The composition is prepared from, by weight, 1-30% of bicyclopyrone, 1-30% of halosulfuron-methyl, 1-30% of the pyridine carboxylic acid herbicide and the balance pesticide auxiliaries. The pesticide composition is reasonable in component, has a synergistic effect on corn field weeds, particularly has an obvious synergistic effect on barnyard grass, purslane and euphorbia helioscopia, enlarges the single-dosage phytocidal range, and reduces weed resistance risks.

The invention provides a synergistic herbicidal composition comprising flucarbazone and diflufenican. The herbicidal composition includes the following active components: (A) flucarbazone and diflufenican, and (B) one or more selected from dimethenamid, dimethenamid-p, flupoxam, bicyclopyrone, 2,4-dichlorprop and a salt thereof, and 2,4-dichloroprop-p and a salt thereof, and additives being available in pesticide preparation processing. The herbicidal composition is processed to obtain a common herbicide preparation which is used for preventing and controlling undesirable plants.

The invention provides synergetic herbicidal composition containing saflufenacil and bicyclopyrone. The herbicidal composition is characterized by being a conventional pesticide preparation prepared from an active component A, an active component B and usable auxiliaries in processing of the pesticide preparation, wherein A contains saflufenacil and bicyclopyrone, B is one or a combination of thiencarbazone-methyl and aminocyclopyrachlor, and the herbicidal composition is used for controlling needless plants.

The invention belongs to the technical field of pesticide, and discloses a weeding composition. The weeding composition is prepared from the main effective ingredients of bicyclopyrone and nicosulfuron according to a mass ratio of (1 to 40):(1 to 50), and the sum of weight percentage of bicyclopyrone and nicosulfuron is 10 to 80% in the weeding composition. The weeding composition provided by the can be prepared into wettable powder, a water dispersion granule, an oil suspension and a water suspension. The weeding composition has the advantages that the weeding spectrum range is broad, the preventing effect is good, the persistence and rapidity are better, and the weeding composition can be used for preventing and removing field weeds.

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 present invention relates to a pesticide composition of flumefenidone, bromoxynil octanoyl and pyridine carboxylic acid herbicides, the active ingredients are flumefenidone, bromoxynil octanoyl, and pyridine carboxylic acid herbicides; The acid herbicide is selected from one of aminopyralid and isooctyl fluroxypyr; the weight percentage of fluroxypyrone in the composition is 1% to 30%, and bromoxynil in the composition The weight percentage in the composition is 1% to 30%, the weight percentage of the pyridine carboxylic acid herbicide in the composition is 1% to 30%, and the rest are pesticide adjuvants. The composition of the invention is reasonable, has a synergistic response to weeds in corn fields, expands the herbicidal spectrum of a single agent, and reduces the risk of weed resistance.

The present invention relates to a herbicidal composition comprising as active ingredients a mixture of components (A) and (B), wherein component (A) is a compound of formula (I): [Case 1] JPEG2026502851000020.jpg38161, and component (B) is bicyclopyrone or an agrochemically acceptable ester or salt thereof.

The present invention relates to herbicide mixtures comprising isoxaflutol, pyroxasulfone, and an imidazolinone herbicide. The herbicide mixtures may comprise at least one additional herbicide selected from the group consisting of glyphosate and its salts, glufosinate and its salts, L-glufosinate (glufosinate-P) and its salts, dicamba and its salts and esters, 2,4-D and its salts and esters, bicyclopyrone, phenquinetrione, mesotrione, tembotrione, tolpyralate, and topramezone. Furthermore, the invention relates to methods and uses for applying the herbicide mixtures, particularly for controlling unwanted vegetation in soybean and cotton crops.

The invention provides a fluorochloridone-containing synergistic weeding composition. The fluorochloridone-containing synergistic weeding composition is characterized by comprising active ingredients A and B as well as auxiliaries which can be used in pesticide preparation processing, wherein the active ingredient A is fluorochloridone, the active ingredient B is one or combination of more than one of thiencarbazone-methyl, diflufenican, dimethenamid, dimethenamid-p, flupoxam, bicyclopyrone, 2,4-dichlorprop and salt thereof as well as perfect 2,4-dichlorprop and salt thereof. The conventional pesticide preparation is prepared and is applied to prevention and removal of undesired plants.

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 compound pesticides, and discloses a herbicidal composition containing bicyclopyrone. In the weeding composition, the mass ratio of the bicyclopyrone to the isoproturon is (1-3.5): (15-50), and the bicyclopyrone and the isoproturon account for 1-80% by mass of the weeding composition. The weeding composition disclosed by the invention can be used for preparing a herbicide for preventing and killing weeds in a corn field, and the preparation dosage form can be made into various dosage forms allowable in pesticide, such as a suspending agent, a water dispersible granule, a dispersible oil suspending agent and wettable powder. 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 is reduced, the control effect is improved, the weed control spectrum is expanded, the generation of drug resistance of weeds is delayed, and the environment is protected.

The invention belongs to the technical field of pesticides and discloses a bicyclopyrone-containing herbicide combination and application thereof. The bicyclopyrone-containing herbicide combination iscomposed of the effective constituents of bicyclopyrone and s-metolachlor at a weight ratio of 1:2-1:40. The bicyclopyrone-containing herbicide combination is applicable to closed treatment of various weeds in corn fields and achieves the effects of expanding the weeding spectrum, enhancing control effects, retarding resistance forming of weeds, reducing consumption of the effective constituentsas well as environmental pollution and the like.

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 provides a synergic weeding compound containing thiencarbazone, bicyclopyrone and mesotrione. The synergic weeding compound is characterized by comprising active ingredients A, B and C, wherein A is thiencarbazone, B is bicyclopyrone and C is mesotrione. The synergic weeding compound further comprises auxiliaries which are acceptable in the processing of pesticide preparations. The synergic weeding compound can be prepared into the conventional pesticide preparations and can be used for removing and preventing weeds in corn field, lawn, forest and uncultivated area.

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 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, imazapie, imazapie 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, norflu-razon, picolinafen, bicyclopyrone, clomazone, isoxaflutole, mesotrione, pyrasulfotole, tembotri-one, topramezone, fenquinotrione, glyphosate, glyphosate-isopropylammonium, glyphosate-potassium, glyphosate-trimesium (sulfosate), pendimethalin, trifluralin; acetochlor, alachlor, bu-tachlor, 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, quinelorac, quinclorac dimethylammonium, quinmerac, diflufenzopyr, diflufenzopyr-sodium, tepraloxydim, cinmethylin and other compounds.

The invention relates to the technical field of pesticide crystal form molecules, and discloses a bicyclopyrone crystal form as well as a preparation method and application thereof. The bicyclopyrone crystal form has characteristic peaks at 6.77 + / -0.2 degrees, 13.60 + / -0.2 degrees, 20.46 + / -0.2 degrees, 21.98 + / -0.2 degrees, 23.10 + / -0.2 degrees and 23.50 + / -0.2 degrees in an X-ray powder diffraction pattern represented by 2 theta measured by Cu-K alpha radiation at 25 DEG C. The bicyclopyrone crystal form provided by the invention is greatly improved in the aspects of hygroscopicity, caking resistance and the like. The bicyclopyrone crystal form is simple in preparation process, the problems that in the prior art, a purified product is high in impurity content and poor in purification effect are solved, and the obtained crystal is regular in crystal form and uniform in particle size, has definite crystallographic main parameters and exact atomic space position and is suitable for large-scale application and popularization.

A herbicidal composition including ethyl [3-[2-chloro-4-fluoro-5-(1-methyl-6-trifluoromethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-3-yl)phenoxy]-2-pyridyloxy]acetate and a herbicide selected from the group consisting of bicyclopyrone, mesotrione, tembotrione, isoxaflutole, pyrasulfotole, topramezone, and tolpyralate. A weight ratio of ethyl [3-[2-chloro-4-fluoro-5-(1-methyl-6-trifluoromethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-3-yl)phenoxy]-2-pyridyloxy]acetate to the herbicide is from 1:1 to 1:42.

The invention belongs to the technical field of a pesticide, and discloses a herbicide composition. Bicyclopyrone and pendimethalin are used as major active ingredients; the mass ratio of the bicyclopyrone to the pendimethalin is (1 to 40): (1 to 40); the mass percentage of the sum of the bicyclopyrone and the pendimethalin in the herbicide composition is 2 to 80 percent. The invention also discloses wettable powder, water dispersible granules, missible oil and water suspension capable of being prepared from the herbicide composition. The advantages of wide weeding spectrum, good prevention efficacy effect, good durable effect and good quick-acting effect are realized; the herbicide composition can be used for preventing and removing corn field weed.

The present invention relates to herbicidal mixtures comprising isoxaflutole, pyroxasulfone and an imidazolinone herbicide. The herbicidal mixtures may comprise at least one further herbicide selected from the group consisting of glyphosate and its salts, glufosinate and its salts, L-glufosinate (glufosinate-P) and its salts, dicamba and its salts and esters, 2,4-D and its salts and esters, bicyclopyrone, fenquinotrione, mesotrione, tembotrione, tolpyralate and topramezone. Furthermore, the invention relates to methods and uses applying the herbicidal mixtures, especially for controlling undesirable vegetation in soybean and cotton cultures.

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 invention discloses a compound and a preparation method thereof, and an application of the compound in preparation of a bicyclopyrone intermediate, and a bicyclopyrone intermediate II can be prepared with high yield through an intermediate I (a compound with a structural formula shown as a formula (Ia) and / or a formula (Ib)) or a pharmaceutically acceptable salt, a solvate and a tautomer thereof. According to the invention, the two compounds are firstly butted under the action of alkali to generate the intermediate I, and then the intermediate I is subjected to ring closing in an ammonium salt molecule, so that the yield of the bicyclopyrone intermediate (II) can be remarkably improved, side reactions are reduced, and the defect of incomplete reaction of raw materials caused by direct ring closing through the ammonium salt in the prior art is overcome. According to the fractional step method, the intermediate I is generated under the action of alkali, and the bicyclopyrone intermediate (II) is generated through the ring closing reaction, so that side reactions can be reduced, and the yield can be increased.

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.